To keep Ocean City Inlet open after the hurricane of 1933 carved out the inlet, the Corps of Engineers built two jetties, one on each side. "Seawall" is the map's designation for the southern jetty.
Which of these three seawall types are they?Horizontal, curve or ramped, and mound seawalls are the three primary forms (see table below). In highly vulnerable circumstances, vertical seawalls are constructed. They act as wave energy reflectors.
What is a seawall used for?a wall or other barrier dividing land from water. It's intended to stop coastal erosion as well as other storm surge and wave-related harm, such flooding. Seawalls are often quite large buildings since they are made to withstand the full strength of the waves or storm surge.
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place the labels into either the left or right cerebral hemisphere depending on which side is responsible for the function
Left hemisphere:speech,writing,left ear,main language centre calculation and Right visual half field
Right hemisphere :right ear,spatial concept,left visual half field
What is Left Celebral hemisphere?
The right half of the body's mobility is managed by the left brain hemisphere. A stroke affecting the left cerebral hemisphere may induce speech loss, functional loss, or motor skill impairment on the right side of the body, depending on its degree.
Left hemisphere:
speech,writing
left ear
main language centre calculation
Right visual half field
Right hemisphere :
right ear
spatial concept
left visual half field
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Where do I find spinal tracks going to the brain? (Posterior or Anterior)?
Answer:
Posterior
Explanation:
Posterior refers to the back or rear part of something, while anterior refers to the front part of something.
In the context of the human body, the posterior part is the back side of the body, while the anterior part is the front side of the body. For example, the back of the head is the posterior part of the head, while the front of the head is the anterior part of the head.
Similarly, in the context of the spinal cord, the posterior part is the back part of the cord, while the anterior part is the front part of the cord. The posterior part of the spinal cord contains the spinal tracks that carry sensory information from the body to the brain, while the anterior part of the spinal cord contains motor neurons that control the movement of muscles.
Overall, the terms posterior and anterior are used to describe the relative positions of different parts of the body, with posterior referring to the back part and anterior referring to the front part.
Spinal tracks that go to the brain are located in the posterior part of the spinal cord. The spinal cord is a long, narrow structure that extends from the base of the brain down to the lower back. It is made up of a bundle of nerve fibers that carry signals between the brain and the rest of the body.
The spinal tracks that go to the brain are located in the posterior part of the spinal cord, which is the back part of the cord. These tracks are used to carry sensory information from the body to the brain, as well as motor signals from the brain to the body. The spinal tracks in the posterior part of the spinal cord are organized into different levels, each of which carries signals to and from specific parts of the body.
In contrast, the anterior part of the spinal cord is located at the front of the cord and contains motor neurons that control the movement of muscles. The anterior part of the spinal cord is not directly involved in carrying sensory information to the brain.
Overall, the spinal tracks that go to the brain are located in the posterior part of the spinal cord, not the anterior part.
femoral nerve (click to select)2. tibial nerve (click to select)3. median nerve (click to select)4. common fibular (peroneal) nerve (click to select)5. axillary nerve (click to select)6. radial nerve (click to select)7. musculocutaneous nerve (click to select)8. ulnar nerve (click to select)9. obturator nerve (click to select)
1. Femoral nerve: lumbosacral plexus L4 to S3
2. Tibial nerve: lumbosacral plexus L4 to L3
3. Median nerve: medial and lateral cord of brachial plexus C5 to T1
4. Common fibular nerve: lumbosacral plexus L4 to S2
5. Axillary nerve: posterior cord of brachial plexus C5 to C6.
6. Radial nerve: Posterior cord of brachial plexus C5 to T1
7. Musculocutaneous nerve: lateral cord of brachial plexus
8. Ulnar nerve: medial cord of brachial plexus C8 to T1
9. Obturator nerve: lumbosacral plexus L2 to L4
The tibial nerve receives nerve fibers from the L5, S1, and S2 spinal roots. After separating from the common peroneal nerve, it passes through the popliteal fossa and runs deep between the two heads of the gastrocnemius muscle. The common fibular nerve, also known as the common peroneal nerve is a major nerve that supplies the lower extremities.
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Which of the following is a factor that many developmentalists think might influence general intelligence?
a. experiences in infancy
b. all of these answers are correct.
c. both genes and physical health
d. genes experiences in infancy physical health
Genes experiences in infancy physical health is a factor that many developmentalists think might influence general intelligence.
So the correct option is B
The process of identifying, evaluating, and describing cognitive abilities via the use of scoring and management questions created specifically for that purpose is known as intelligence testing.
Around 50% of individual variance in IQ test scores is attributed to genetic factors. is the idea that both hereditary and environmental variables may have an influence on a person's intelligence.
An investigation of identical twins revealed a hereditary component to IQ. It was found that the IQ test scores of identical twins who were reared together were equivalent to those of a person who had taken the test twice. Similarities exist between the gray and white matter volumes, as well as the structure and functions, of the brains of identical twins.
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At the beginning of this century, there was a general announcement regarding the sequencing of the human genome and the genomes of many other multicellular eukaryotes. Many people were surprised that the number of protein-coding sequences was much smaller than they had expected. Which of the following types of DNA make up the rest of the human genome? A. DNA that is translated directly without being transcribed B. non-protein-coding DNA that is transcribed into several kinds of small RNAs with biological function C. non-protein-coding DNA that serves as binding sites for reverse transcriptase D. DNA that consists of histone coding sequences
Option B, non-protein-coding DNA that is transcribed into several kinds of small RNAs with biological function.
So the human genome is made of DNA. Non-protein coding DNA will be the best response in this case, as option B. Transfer RNAs (tRNAs) and ribosomal RNAs (rRNAs), which aid in the assembly of the amino acid building blocks that make up proteins, are two examples of specialized RNA molecules derived from Non-protein coding DNA. A short RNA fragment known as a microRNA (miRNA) is another type of specialized RNA molecule that inhibits the production of proteins. An evolutionarily conserved non-protein coding DNA sequence is known as a conserved non-coding sequence (CNS). Due of their capacity to control human genome production, these sequences are interesting.
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refer to the metabolic pathway illustrated. if i, ii, iii, and iv are all required for growth, a bacterial strain that does not make enzyme x would be able to grow on medium supplemented with which of the following nutrient(s)?
A bacterial strain that does not produce the enzyme X would be able to grow on medium that has been supplied. Nutrients II, III, and IV are all necessary for growth.
What do a tRNA's two functional ends look like?The tRNA is 3'-UAC-5' on one end and binds to an mRNA codon that is 5'-AUG-3' on the other end through complementary base pairing. The amino acid methionine, which is the one the mRNA codon AUG specifies, is carried by the opposite end of the tRNA.
What is the appropriate information flow during gene expression?As a result, information moves from DNA to RNA to protein during the expression of a gene that codes for proteins. The main tenet of molecular biology is that information flows in one direction.
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Consider a simple scenario: A bird species lives on a tiny island in the Pacific Ocean. Due to a single mutation some individuals start breeding in the fall and not in the spring, like all other birds. As a result, these two populations (spring and fall breeders) evolve into two separate species. This is an example of:
A bird species lives on a tiny island in the Pacific Ocean. Due to a single mutation some individuals start breeding in the fall and not in the spring, like all other birds. As a result, these two populations evolve into two separate species. This is an example of: reproductive barrier.
The mechanism by which two species cannot breed with one another because of the differences between the species is known as the reproductive barrier.
There are two categories of reproductive barrier separation:
Periodic mechanismtemporary seclusionWhen members of various species coexist in a region, exhibit the same reproductive habits, and have compatible gametes, seasonal or temporal isolation occurs.
Seasonal variations prevent the reproduction of the birds mentioned in the inquiry. Due to the fact that one of the bird species mates in the spring and the other breeds in the fall, two bird species living together cannot reproduce. This is a result of speciation.
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Definition
orthopedic appliance to correct an abnormality
A .sprain
B . osteopenia
C. prosthesis
D. orthotic
D. orthotic is an orthopedic appliance to correct an abnormality.
An orthotic is a type of orthopedic appliance that is used to correct or support abnormalities of the musculoskeletal system. Orthotics are often used to treat conditions such as sprains, fractures, or chronic pain conditions, and can be custom-made to fit the individual's needs.
Examples of orthotics include braces, splints, and other devices that can be worn on the body to provide support and stability. Orthotics are often prescribed by a doctor or other healthcare provider and can be made from a variety of materials, including plastic, metal, and fabric.
Other examples of orthopedic appliances include prostheses, which are used to replace missing limbs or other body parts, and orthopedic shoes, which are designed to provide support and relief for conditions such as flat feet or arthritis.
FILL IN THE BLANK. The CDC anticipates that an overarching advantage to the new capabilities-based approach to emergency preparedness will result in _______________ and more prepared communities.saferviralfasterslower
The CDC anticipates that an overarching advantage to the new capabilities-based approach to emergency preparedness will result in safer and more prepared communities.
CDC deals with public health professionals that can act quickly and provide essential skills and leadership are needed in today's situations. Being informed and involved at every stage is essential for emergency response and recovery. CDC monitor global health hazards around-the-clock to prevent diseases from crossing borders and keep people safe since diseases can spread more quickly than before.
CDC are aware that severe weather conditions or other events can make people much more susceptible to illness. People could not have access to clean water or medical treatment if the unthinkable occurs. They might encounter disruptions to daily routines or overcrowding in the home, both of which make it easier for outbreaks to spread.
Hence, emergency preparedness saves people from major damage.
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When doing experiments with isolated muscles, researchers stretch the muscle to different lengths before stimulating it. Which of these statements is TRUE about what happens to the muscle when they stretch it? Frest increases O The rise time increases O The latent period is shorter. O It enters tetanus at a lower stimulation frequency
The statements that is TRUE about what happens to the muscle when they stretch it is Frest increases.
When a muscle, one of the four major bodily tissues created in an organism, is stretched to a different length before being stimulated, the frest increases. Frest rises is the right answer, therefore.
Stretching is a type of physical activity when a particular muscle, tendon, or muscle group is purposefully flexed or stretched in order to increase the muscle's perceived suppleness and attain a comfortable level of muscular tone. One experiences improved muscle control, flexibility, and range of motion as a result. Stretching is another therapeutic technique used to treat cramps and enhance daily function by extending range of motion.
Stretching is an action that humans and many other creatures engage in on a natural and instinctual level. Yawning might go along with it. After waking up from sleep, after being inactive for a while, or after leaving confining rooms and surroundings, stretching is frequently a reflex action. Spiders are among the vertebrates, in addition to mammals and birds.
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if an incubating goose notices an egg out of the nest, she will extend her neck toward the egg, get up, and then the egg back to the nest using her and neck.
If an incubating goose notices an egg out of the nest, she will extend her neck toward the egg, get up, and then the egg back to the nest using her and neck which tells us its Behavior.
An illustration of a set action pattern is the behavior of graylag geese, which pretend to be putting the egg back into the nest even when it has already been taken out.
The family of ducks known as the Anatidae include the species known as graylag loose. It may be found throughout England. Since they migrate last during the season and are consequently viewed as lagging behind, the term "lag" in their name relates to this.
Fixed action patterns are the actions an organism does in reaction to a stimulus, and they continue long after the stimulus has passed away. This behavior is extremely sexist and speculative.
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Birds use the position of the --- during the day and the position of --- during the night in order to navigate.
Birds migrating by day use the Sun to navigate, adjusting their angle to the Sun as the Sun's position moves from east to west.
Birds are warm-blooded vertebrates that belong to the class Aves (/eviz/). They are distinguishable from other vertebrates by having feathers, toothless beaks, hard-shelled eggs, high metabolic rates, four chambered hearts, and sturdy yet lightweight bones. The largest bird is the 2.8 m (9 ft 2 in) ostrich, while the smallest is the 5.5 cm (2.2 in) bee hummingbird. The majority of the ten thousand or so species that are still alive are passerine, or "perching," birds. Despite the fact that the development of wings differs between species, only the extinct moa and elephant bird species are known to be wingless. Birds' wings, which are essentially modified forelimbs, are what allow them to fly.
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3. earlier in the semester we ran a paper chromatography experiment on the pigments commonly found in chloroplast of plants. in this lab you are being exposed to gel electrophoresis. in the space below state the similarities and differences between these two lab experiments.
The usage of a component's electrical properties in electrophoresis as opposed to a component's partition coefficient in chromatography is the distinction between the two processes.
How are gel electrophoresis and paper chromatography similar?Similarities: Both techniques are used to separate people. Both procedures elute the component from the same sample. According to the shape and the size of the molecules present, the components are divided in both techniques.
What is the purpose of gel electrophoresis?A laboratory technique called gel electrophoresis is used to separate combinations of DNA and RNA based on their molecular sizes. In gel electrophoresis, the molecules that need to be separated are forced through a gel that has small pores made by an electrical field.
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When you stick your hand in a bucket of ice, it grows numb after a while. Based on what you know regarding neuronal signaling, explain how the sensation of touch is blocked from signaling to the brain.
Answer:
Now, when we put our hand in an ice bucket and it goes numb, this is partially because our peripheral nerves are producing numbness and it has been generally believed that cold temperatures suppressed the excitability of neurons. Now first we may insert our hand into the ice order and we sense the cold around it
Explanation:
What real object can represent the nucleolus in a plant cell that can also function or is similar to it?
Microtubules are involved in all of the following EXCEPT the formation of the spindle apparatus during cell division the extension of the lamellopodium of a white blood cell during cell locomotion the formation of flagella used by sperm cells to swim transport of vesicles between organelles of the endomembrane system Microtubules are involved in all of the above. Which of the following is NOT true concerning the chloroplasts and mitochondria and therefore is not evidence to support the endosymbiotic theory? Both are surrounded by a double membrane. Both divide by binary fission. Both contain their own circular genome. Both can survive independently from a eukaryotic cell. All of the above are TRUE, and support the endosymbiotic theory. After PIP2 is cleaved, where will you find DAG and IP3? Both remain in the plasma membrane DAG remains in the plasma membrane, IP3 diffuses through the cytoplasm IP3 remains in the plasma membrane, DAG diffuses through the cytoplasm Both diffuse through the cytoplasm What could you add to your in vitro system (above) to stop the MTs from treadmilling? tubulin-GTP dimers tubulin-GDP dimers GDP Could add either A or B Which of the following is NOT true concerning the chloroplasts and mitochondria and therefore is not evidence to support the endosymbiotic theory? Both are surrounded by a double membrane. Both divide by binary fission. Both contain their own circular genome. Both can survive independently from a eukaryotic cell. All of the above are TRUE, and support the endosymbiotic theory.
the lengthening of the a white blood cell's lamellopodium during cell movement.
What kind of movement does WBC engage in?WBCs have the ability to alter shape like an amoeba and can thus move like one.This permits them to squeeze from out blood capillaries into to the tissues.Diapedesis is the name given to this process.
What propulsion system does a white blood cell use?Leukocytes, or adult white blood cells, swim via a recently discovered technique termed molecular paddling, according to studies.The migration of immune cells and tumor cells in diverse fluid-filled bodily niches, for either good or bad, may be explained by this microswimming mechanism.
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TRUE/FALSE. many of these drugs work by increasing the availability of neurotransmitters, such as norepinephrine or serotonin, which elevate arousal and mood.
The given statement is TRUE. Depression is treated with antidepressant medications, which make more serotonin and norepinephrine available. These medications are frequently just slightly more effective than placebos. SNRIs have been licensed to treat depression, anxiety, and several forms of chronic pain.
Levomilnacipran (Fetzima) and Venlafaxine (Effexor XR) are medications that are also permitted for the treatment of some anxiety disorders and panic disorders. A non-invasive treatment for depression symptoms called transcranial magnetic stimulation (TMS) stimulates brain nerve cells with magnetic fields. A group of substances known as catecholamines includes the neurotransmitters, epinephrine and norepinephrine, which also act as hormones.
They act as hormones, which have an impact on various physiological systems and activate the central nervous system. Your health may be negatively impacted by either too much or too little of either. Both epinephrine and norepinephrine have many chemical properties. Norepinephrine and epinephrine act on alpha and beta receptors, respectively. However, epinephrine affects beta receptors more than norepinephrine does. arteries are the only organs that contain alpha receptors. The arteries of skeletal muscles, the heart, and the lungs all contain beta receptors. Because of this disparity, epinephrine and norepinephrine have slightly different purposes.
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A wild-type tomato plant (Plant 1) is homozygous dominant for three traits: solid leaves (MM), normal height (DD), and smooth skin (PP). Another tomato plant (Plant 2) is homozygous recessive for the same three traits: mottled leaves (mm), dwarf height (dd), and peach skin (pp).
The law of independent assortment states that during gamete formation, each pair of alleles segregates independently of all other pairs of alleles. The predicted phenotypic ratios for each trait in the F2 offspring are shown in the three Punnett squares below: 1:1:1:1:1:1:1:1:1:1:1:1:1:1:1:1:1:1:1:1:1:
All offspring in the F1 generation of a cross between these two plants (MMDDPP x mmddpp) are wild type and heterozygous for all three traits (MmDdPp).
Assume you do a testcross on one of the F1 plants (MmDdPp x mmddpp).
The F2 generation can include plants with these eight
possible phenotypes:
Solid, normal, smooth solid, normal, peach solid, dwarf, smooth solid, dwarf, peach mottled, normal, smooth mottled, normal, peach mottled, dwarf, smooth mottled, dwarf, peach mottled, dwarf, smooth mottled, dwarf, peach mottled, dwarf, smooth mottled, dwarf, peach mottled, dwarf, smooth mottled, dwarf, peach mottled, dwarf, smooth mottled, dwarf,
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The process that normally exerts the greatest control over the water balance of an individual is
a. sweating
b. elimination of feces
c. kidney function
d. evaporation through the skin
e. respiratory loss
Answer: c. kidney function
c. Kidney function is the process that normally exerts the greatest control over the water balance of an individual.
Kidney are the basic sites that control the water balance. This is because almost 90% of the water is absorbed back by the nephrons during the filtration process.
If this water is not absorbed by the nephrons present in the kidneys, then the body of a person will not be able to control the water balance. Excess amounts of water will be lost as urine and hence the person will die due to no water being present in the body. Hence, the greatest control of the water balance is caused by the kidney function.
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which of the following human diseases is caused by a virus that requires reverse transcriptase to transcribe its genome inside the host cell?
AIDS is the next human disease caused by a virus that requires reverse transcriptase to transcribe its genome inside the host cell.
Human Immunodeficiency Virus (HIV) uses reverse transcriptase to make a double-stranded RNA copy of its DNA genome. - Retroviruses like HIV have an RNA genome and can use reverse transcriptase to create a double-stranded DNA copy of the genome and integrate it into the genome of the host cell.
Cells in which the virus utilizes metabolism for growth and replication or cells into which plasmids are introduced in recombinant DNA experiments. In bioprocessing, cells engineered and cultured to express the protein of interest are the host cells of the expression system.
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TRUE/FALSE. the resource conservation and recovery act (rcra) applies only to active facilities, not future ones.
FALSE. Only currently operating facilities, not those in the future, are covered under the Resource Conservation and Recovery Act (RCRA).
What objectives does resource preservation seek to achieve?making sure that trash disposal doesn't pose any risks to the environment or human health. using less natural resources and energy. cutting back on waste production. assuring environmentally responsible trash management.
What does recycling mean?Collecting and reusing used materials is known as recycling. Because these used materials can be repurposed to create new products, recycling is practiced. it involves turning trash into useful materials. Cans, bottles, and plastic are all recycled.
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Even when genetic tests correctly predict a genetic disorder, they usually cannot foretell how severe its symptoms will be or when they will appear.
a. True
b. False
The given statement is true that genetic tests cannot correctly predict when and how severe symptoms will appear of a genetic disorder.
The tests performed to check if the DNA sequence has been changed or how it has changed is called genetic test. These are very powerful medium in order to decide the correct treatment for a patient. There are three types of genetic tests: molecular test, chromosomal test and gene expression test.
Genetic disorders are the one that arise due to change in the sequence of DNA, also called mutation. These disorders are heritable i.e., they can be transmitted from the parents to their children.
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select all the reasons why it is difficult for biologists to determine whether a speciation event is allopatric or sympatric.
It is challenging to identify all the geographic barriers that are significant to various species. The magnitude of a geographic barrier required to split populations varies on the species.
Geographical speciation is another name for allopatric speciation. The shift in allopatric speciation is brought on by the differences in environmental conditions. New species evolve from a single ancestral species through a process known as sympatric speciation. Various distinctions between sympatric and allopatric speciation are discussed here. Evolutionists frequently debate whether sympatric speciation is intrinsically plausible and if populations spatially segregate frequently enough to make allopatric speciation the predominate method of speciation (see below). However, sympatric speciation continues to be interesting for a number of reasons.
complete question:
select the reasons why it is difficult for biologists to determine whether a speciation event is allopatric or sympatric.
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What are some of the cellular functions that a cell membrane participates in?
Hope this is the answer you want.
A cell membrane has 2 functions, first, a barrier that keeps the constituents of the cell inside and take out any unwanted substances. Second, to allow the transport of nutrients into the cell and movement of waste products.
Teacher's professional use of technology involves preparation for various classroom activities; such as, preparing instructional materials, material, communicating or collaborating with peers, students and their parents, locating digital resources, and creating lesson plans. When technology is used for instructional delivery, the teacher or students can use it. Teachers can present instruction by means of a projector or students may use computer-assisted learning applications such as drill and practice, tutorials, and simulations. technology as a tool, involves student use of basic software applications to extend their abilities to solve problems, create products, or communicate and share their perspectives with each other. References: Inan, F. A., & Lowther, D. L. (2010). Factors affecting technology integration in K-12 classrooms: a path model. Educational Technology Research and Development, 58(2), 137-154. Technology offers a variety of rich opportunities available to teachers and students. According to Inan and Lowther (2010), there are three main purposes to use technology in schools: (a) technology for teachers to prepare instructional activities, plans, materials, and resources; (b) technology for instructional delivery for teachers and students; (c) technology as a learning tool for both teachers and students. Although technology provides a number of advantages for teaching and learning, teachers who try to integrate technology in their classrooms have encountered many obstacles that hinder potential benefits of use of technology.
According to Inan and Lowther (2010), there are three main purposes to use technology in schools.
Classroom technology gives teachers more tools to support their students. In addition to resources such as textbooks and worksheets, this technology provides educators with a range of tools to help students better understand the material. Technology gives students easy access to information accelerates learning and makes it fun to put into practice what they learn.
Technology integration is defined as the use of technology to enhance and support the educational environment. Technology integration in the classroom can also support classroom instruction by creating opportunities for students to complete assignments on the computer rather than with normal pencil and paper.
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which of the following is true regarding the electron transport chain? (select all that is/are true) group of answer choices it occurs in the cytoplasm of a cell. it occurs in the mitochondria of a cell protons are actively pumped from the inner membrane space to the matrix via the ets complexes. molecular oxygen (o2) is required for it to operate nadh donates a hydride to complex i, which donates electrons to complex iii then to complex iv with o2 being the final electron acceptor.
Option B. it occurs in the mitochondria of a cell protons are actively pumped from the inner membrane space to the matrix via the complexes is true regarding the electron transport chain.
An electron transport chain is a sequence of protein complexes and different molecules that switch electrons from electron donors to electron acceptors via redox reactions and couples this electron switch with the switch of protons throughout a membrane. An electron transport chain (and so on) is a sequence of protein complexes ; The go with the flow of electrons thru the electron delivery chain is an exergonic manner.
The method of forming ATP from the electron delivery chain is referred to as oxidative phosphorylation. Electrons carried by using NADH + H+ and FADH2 are transferred to oxygen thru a series of electron companies, and ATPs are shaped. three ATPs are shaped from each NADH + H+, and two ATPs are formed for each FADH2 in eukaryotes.
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enzymes require specific environments for activity, usually with neutral ph and a particular temperature range. some bacteria are metabolically active in hot springs because (4 points)
Some bacteria can sustain a lower internal temperature, which enables them to be metabolically active in hot springs. (2) Catalysis becomes superfluous at high temperatures. (3) Their enzymes function best at high temperatures (4) Their enzymes have zero temperature sensitivity.
What do bacteria do and how it is made up of?Some bacteria aid in food digestion, the body's production of vital vitamins, and the eradication of disease-causing cells. Bacteria are also used to produce nutrient-dense foods like cheese and yogurt. On the other hand, contagious germs can potentially make you ill.
Its gel-like matrix, that also contains other cell components like ribosomes, chromosomes, or plasmids, is made up of water, enzyme, nutrition, waste products, and gases. The cell membrane encloses the cytoplasmic and all of its constituent parts. Like eukaryotic (true) cells, bacteria do not contain a nucleus that is enclosed in a membrane.
Why do bacteria harm us and where do bacteria come from?Many disease-causing bacteria produce toxins, which are strong chemicals that damage your cells and make you ill. Other bacteria have had the power to obliterate tissues right away. A throat infection is one of the disorders brought on by bacteria.
Its gel-like matrix, that also contains other cell components like ribosomes, chromosomes, or plasmids, is made up of water, enzyme, nutrients, waste products, & gases. The cell membrane encloses the cytoplasmic and all of its constituent parts. Bacteria do not have a membrane-enclosed nucleus like eukaryotic (true) cells do.
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a student studying bird development recorded the mass of eggs from the time they were laid until the time they hatched in order to relate the mass of the egg to the final mass of the chick.
which line represents the pattern of change in mass over that time?
T/F Consider the length-tension relationship. Then, click and drag each statement into the correct box to identify whether that statement is true or false regarding the length-tension relationship of muscles.
True:
A higher possible number of cross-bridges means higher tension.
For max hamstring contraction, begin with the knee fully extended.
Sarcomeres will achieve virtually no contraction if beginning at half length.
False:
For max tension from biceps, begin with elbow bent at 90 degrees.
For max contraction tension, begin with zero degree of overlapping thick and thin filaments.
The highest tension can be achieved if all possible cross-bridges are formed prior to stimulation.
True - Sarcomeres will achieve virtually no contraction if they begin at half their optimal length.
TRUE
Sarcomeres will achieve virtually no contraction if they begin at half their optimal length
For maximum hamstring contraction, begin with the knee fully extended
FALSE
The highest possible tension can be achieved if all possible crossbridges are formed prior to stimulation (A sarcomere is the basic contractile unit of muscle fiber)
A higher possible number of cross bridges means higher possible tension.
To maximize tension from a biceps brachii contraction, begin with the elbow bent at 90 degrees
To maximize contraction tension, begin with a 0 degree of overlapping thick and thin filaments
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different geologic settings will produce different types of metamorphism. match the type of metamorphism to its most likely geologic setting.
Metamorphism is the alteration of preexisting rock due to extreme temperature and pressure. Different geologic settings will produce different types of metamorphism, depending on the type of rock, the pressure and temperature conditions, and the rate of change.
Regional metamorphism is the type of metamorphism most often associated with mountain building. It occurs deep within the Earth’s crust as a result of tectonic forces.
Dynamic metamorphism occurs when rocks are subjected to high pressures and temperatures due to sudden movement of the Earth’s crust. This type of metamorphism is often associated with faulting, folding, and shearing. Contact metamorphism is the type of metamorphism that occurs when hot magma comes in contact with cooler rock.
Hydrothermal metamorphism is caused by hot fluids that circulate through the crust. These fluids may be acidic and contain dissolved minerals. Burial metamorphism is the type of metamorphism that occurs when rocks are buried deep within the Earth’s crust.
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