The xylem is a plant structure (tissue) used to transport water and minerals.
What is the xylem?The xylem is a plant tissue that transports water and dissolved micronutrients in higher plants.
Moreover, the phloem is another vascular plant tissue specialized to transport foods produced by the leaves during photosynthesis.
In conclusion, the xylem transports water and minerals.
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The most likely structure of specialized cells whose function is to transport water and nutrients throughout the plant is the xylem.
What is xylem?Water is transported by the plant from the roots to the leaves through the xylem, a conductive tissue. Water enters the plant body through the root cells until it reaches the xylem, which transports the substance throughout the plant's body.
With this information, we can conclude that the xylem and phloem are conductive tissues, constituents of the plant's vascular system, responsible for the transport and distribution of substances throughout the plant
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Why are groups of small cells better than one large cell at moving material in and out?
A) they have a lower surface to volume ratio
B) they have a smaller volume
C) they have more cell structures
D) they have a greater surface to volume ratio
Groups of small cells better than one large cell at moving material in and out because they have a lower surface to volume ratio. Option D
What is cell?A cell can be defined as the simplest, basic, structural and functional unit of life. The study of cell is known as cytology.
There are two types of living organisms based on the numbers of cells they have; these are
Unicellular organismsMulticellular organismsTherefore, groups of small cells better than one large cell at moving material in and out because they have a lower surface to volume ratio.
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How does Inquiry differ from the Scientific Method?
Inquiry differs from the scientific method in the following ways:
Inquiry is a mere search for information or fact while scientific method is a procedural method of discovering information.
What is the scientific method?The scientific method is a method of discovering knowledge about the natural world based on hypotheses, testing them empirically, and developing theories that match known data from repeatable physical experimentation.
Inquiry refers to a search for truth, information, or knowledge or the examination of facts or principles. It can also be termed as an investigation.
Therefore, inquiry is a mere search for information or fact while scientific method is a procedural method of discovering information.
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Which type of human activity is having a major impact on Earth’s climate?
A. consuming processed foods in large amounts
B. creating large quantities of waste
C. burning mass quantities of fossil fuels
D. overfishing the oceans
Answer:
C. burning mass quantities of fossil fuels
Explanation:
CO2 is a byproduct of burning fossil fuels. There are three isotopes of carbon (C), 12, 13, and 14. The most prevalent carbon is C-12, followed by C-13 and C-14, which are both relatively uncommon. C-12 is preferred by plants over the heavier C-13 and C-14. Global CO2 emissions are increasing. Since fossil fuels are derived from ancient plant deposits, they are rich in C-12 and depleted in C-13 after burning. As a result, there is a greater concentration of C-12 in the CO2 produced by the combustion of fossil fuels. In addition to CO2 levels rising, the ratio of atmospheric carbon isotopes is also shifting, with an increase in the ratio of C-12 to C-13. indicating that the C-12 isotope of CO2 is present in greater amounts than the C-13 isotope in the environment. This makes sense given that fossil fuels, which are high in C-12 and low in C-13, burn when they are burned.
The use of fossil fuels wouldn't immediately cause climate change. Instead, the burning of fossil fuels releases triatomic molecules, whose chemical structure allows them to be both unexcited by UV light and highly stimulated by IR radiation, thereby contributing to the greenhouse effect. (Molecules like methane and carbon dioxide act as windows for UV light while acting as barriers for IR light.) Excited molecules can reduce their level of excitement by releasing photons, which causes them to release some of the energy that was supplied to them in the form of IR radiation.
Answer:
There is overwhelming evidence that human activities, especially burning of fuels, are leading to increased levels of carbon dioxide and other greenhouse gases in the atmosphere, which in turn amplify the natural greenhouse effect, causing the temperature of the Earth's atmosphere, ocean, and land surface to increase
the answer will c
Which types of microbes are particularly likely to secrete proteases, which allow them to use proteins as an energy and carbon source
Fungi and some soil-borne pathogenic microorganisms are most likely to secrete proteases which allow them to use protein as an energy and carbon source.
An enzyme called a protease catalyzes the breakdown of proteins into smaller polypeptides or individual amino acids.
Basically, protease is a protein hydrolyzing enzyme.
There are different functions of this enzyme but in some cases like fungi and other soil-borne pathogenic microorganisms, it allows proteins to serve as a source of carbon and nitrogen for the growth of microbes.
Enzymes that break down proteins(proteases) are released by these microbes extracellularly into amino acids .These amino acids can then be carried into cells and enter metabolic pathways for energy production.
In this way, these microbes secrete proteases which allow them to use protein as an energy and carbon source.
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what does a pyramid of biomass represent?
a. amount of living tissue within a tropic area
b. range of food webs found in one tropic level
c. number of total organisms within each tropic level
d. percentage of energy that's passed through each tropic level
A pyramid of biomass represents the amount of living tissue within a tropic area (Option a).
What is biomass?Biomass refers to the amount of mass instead of energy contian in a given ecosystem/tropic level.
Biomass is mainly dependent on the number of producer organisms (e.g., plants) in the ecosystem.
In conclusion, a pyramid of biomass is the living tissue within a tropic area (Option a).
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Label the chromosomes in this drawing as being maternal or paternal
Answer:
please include a picture so I can see what you are referring to
One possible way to categorize nervous system disorders is to check levels of neurotransmitters. What degenerative disorder is partly identified by the progressive loss of dopamine
Parkinson's disease
What is Parkinson's disease?
Parkinson's disease (PD) is a neurodegenerative ailment that primarily affects dopamine-producing ("dopaminergic") neurons in the substantia nigra, a particular region of the brain.
In most cases, symptoms appear slowly over many years. Due to the variety of the condition, the evolution of symptoms can vary a little from person to person. People with PD might go through:
Tremor in the hands that is typically described as pill-rolling tremor when at rest. There may be additional tremor types.BradykinesiaLimb stiffnessBalance and gait issuesLearn more about Parkinson's disease here:
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make 2 Punnett squares using these crosses.
AA x aa and Aa x aa
Answer:
Attached is an image of the two Punnett squares. When making Punnett squares, each parent's alleles are crossed. This results in 4 possible genotypes of the children.
Which two methods helped the revivalists of the Great Awakenings increase people’s participation?
camp meetings
prayers during work hours
women leading prayers
creating rituals for mass experiences
Camp meetings and prayers during work hours are the two methods that helped the revivalists of the Great Awakenings increase people’s participation.
What is Great Awakening?The Great Awakening was a religious revival that impacted the English colonies in America. This movement started when the idea of secular rationalism was being emphasized. This movement bring survival of religion in the society.
So we can conclude that Camp meetings and prayers during work hours are the two methods that helped the revivalists of the Great Awakenings increase people’s participation.
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The two methods that helped the revivalists of the Great Awakenings increase people’s participation were camp meetings and prayers during work hours.
Who are revivalists?Revivalists are individuals that promotes and conducts religious revival meetings.
In order to increase the participation of the people the following activities where encouraged:
Camp meetings: This is where individuals are being gathered and taught the gospel. Prayers are equally carried out during this meeting.Prayers during work hours: The revivalist uses this opportunity to engage the working class citizens.Therefore, the two methods that helped the revivalists of the Great Awakenings increase people’s participation were camp meetings and prayers during work hours.
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Jason is having problems with his metabolic rate. He cannot seem to burn calories and gains weight even on a severely reduced caloric intake. What endocrine gland is probably not involved in this problem
thymus is the answer
Jason is having problems with his metabolic rate. He cannot seem to burn calories and gains weight even on a severely reduced caloric intake thymus endocrine gland is probably not involved in this problem.
Basal metabolic rate (BMR) is the number of calories burned when the body is performing its basic life support function. Also commonly referred to as resting metabolic rate (RMR), this is the calories burned by staying in bed all day long.
The endocrine gland is a gland without a conduit in the endocrine system that secretes its product hormones directly into the blood. The main glands of the endocrine system include the pineal gland, pituitary gland, pancreas, ovaries, testicles, thyroid gland, parathyroid gland, hypothalamus, and adrenal gland.
Your thymus is also part of your endocrine system. Your endocrine system produces and releases hormones that control the functioning of your body. The thymus produces and releases a variety of hormones, including Thymopoietin: Which promotes the production of T cells and directs the pituitary gland to release hormones.
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What term represents the six anatomical locations of predictable movement patterns where movement dysfunctions can be detected? Spinal column Kinetic chain checkpoints Skeletal landmarks Joints of articulation
The term that represents the six anatomical locations of predictable movement patterns where movement dysfunctions can be detected is the Kinetic chain checkpoints.
What is Kinetic chain checkpoints?Kinetic chain checkpoints are those points in the body that are used to effectively and professionally describe the movement processes of the human body.
The various checkpoints are:
the feet and ankles, the knees, the hip and pelvis, the shoulders, and the head.These locations are used to predict movement patterns where movement dysfunctions can be detected.
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Kinetic chain checkpoints represents the six anatomical locations of predictable movement patterns and is denoted as option B
What is Kinetic chain checkpoints?
These are groups of body segments, connecting joints, etc which have a connection to the spine in the human body.
They work together to ensure body parts are easily moved and makes the detection of movement dysfunctions easier.
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The standard scientific method is how we conduct all scientific research. Group of answer choices True False
The statement “the standard scientific method is how we conduct all scientific research,” is true.
Standard Scientific Methods
The problem-solving method utilized for various scientific studies is called scientific methods. It has 5 common steps and one feedback step. They are,
Making observationAsking questionsHypothesis formationMaking predictions based on the given hypothesisTesting the predictions based on the given hypothesis.Using the results to create a different and new hypothesisSuch a methodology is utilized in all fields of science including chemistry, biology, physics, geology, psychology, etc. During such a study the hypothesis formed in the beginning could be correct or incorrect and this result can be used to form new hypotheses and observations. Most of the time such studies are not linear and can circle back to the origin.
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The statement “the standard scientific method is how we conduct all scientific research,” is true.
Standard Scientific Methods
The problem-solving method utilized for various scientific studies is called scientific methods. It has 5 common steps and one feedback step. They are,
Making observationAsking questionsHypothesis formationMaking predictions based on the given hypothesisTesting the predictions based on the given hypothesis.Using the results to create a different and new hypothesisSuch a methodology is utilized in all fields of science including chemistry, biology, physics, geology, psychology, etc. During such a study the hypothesis formed in the beginning could be correct or incorrect and this result can be used to form new hypotheses and observations. Most of the time such studies are not linear and can circle back to the origin.
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Which of the following is a result of mitosis?
A. Two newly synthesized DNA strands in each cell
B. One strand of original DNA and a new strand in each cell
C. A DNA molecule cleaved in half for each daughter cell
D. One cell has the original DNA, the other has new DNA
Answer:
answer is option is easy it is c
The type of _______ found in oats, barley, lentils, split peas, and beans protects against heart disease.
Which are classified as accessory muscles that assist in active exhalation, as in when you are pushing out extra air from your lungs
The accessory expiratory muscles that assist in active exhalations are
Rectus abdominisExternal obliqueInternal obliqueTransversus abdominis.What is rectus abdominis?Rectus abdominis at the front of the pelvis, hanging between the ribs and the pubic bone.
What is external oblique?
One of the most important abdominal muscles, the external oblique muscle wraps around and descends to the pelvis from the lower half of the ribs.
What is internal oblique?On the outside of the abdomen, there is a muscle called the internal abdominal oblique.
What is transversus abdominis?In the internal oblique muscle's near vicinity in the abdomen is the transverse abdominis.
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Why does the lethal “b” allele affect more males than females?
In female mammalian cells, one X chromosome of the two would undergo random inactivation early in embryonic life, and therefore both males and females have a single active Y. with this the disease has a predilection in men because women do not carry the Y gene
What are the consequences of lethal alleles?Recessive lethal alleles cause death when they are homozygous. Death occurs at the stage when the product of this gene is needed. If the gene in question is responsible for the synthesis of a particular protein in early childhood, for example, the organism will die at that moment.
With this information, we can conclude that Y chromosome, is what guarantees the development of a male embryo and the lethal “b” allele
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Which type of desert would most likely contain the greatest number of xerophytes?
A. semiarid
B. coastal
C. hot and dry
D. cold
Answer:
A xerophyte is a species of plant that has adaptations to survive in an environment with little liquid water, such as a desert like hot and dry
Hot and dry type of desert would most likely contain the greatest number of xerophytes. So, the correct option is C.
What are xerophytes?Xerophytes are plants which have evolved to thrive in arid or low-water situations. These plants have a variety of characteristics that aid in water conservation, including deep roots that can access groundwater, thick, waxy leaves that limit water loss via transpiration, and the capacity to close stomata during the warmest part of the day. Cacti, succulents, and a wide variety of desert plants are examples of xerophytes.
The greatest concentration of xerophytes would presumably be found in hot, dry deserts because of their adaptation to such environments. In order to thrive in arid settings, plants known as xerophytes have developed specialised adaptations to lessen water loss and retain water in their tissues.
Therefore, the correct option is C.
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With a particular sterilization process, it takes 25 minutes to kill all organisms in a sample containing 100,000 (105) microbes. How long does it take to eliminate 90% of the organisms using this process
It takes 5 minutes to eliminate 90% of the organisms using this process
Sterilization refers to the process of destroying or eliminating the life of any form of microorganism and is performed in a medical facility by physical or chemical methods. Pressurized steam, dry heat, EtO gas, hydrogen peroxide gas plasma, and liquid chemicals are the main sterilizers used in medical facilities. Sterilization means communicating the absolute meaning. Unfortunately, some health professionals and technical and commercial literature call "sterilization" and articles "semi-sterile". When chemicals are used to destroy all forms of microbiological life, they are sometimes referred to as chemical disinfectants. The same disinfectant used for shorter exposure times may also be part of the disinfection process (ie, higher levels of disinfection).
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Which two processes form a cycle, with the products of one process becoming the reactants of the other?
O photosynthesis and erosion
O bioremediation and cellular respiration
O cellular respiration and photosynthesis
O erosion and bioremediation
Answer:
The two cycles are photosynthesis and cellular respiration.
Cellular respiration releases energy stored in glucose (during photosynthesis). Most of this energy is transferred to an energy molecule that can be used by all cells: ATP.
And the wastes of respiration are carbon dioxide and water, which are precisely the raw materials of photosynthesis in chloroplasts (forming two linked closed cycles).
Explanation:
Answer:
The two cycles are photosynthesis and cellular respiration.
The growth of___________around axons speeds neurotransmission, enabling better communication between the frontal lobe and other brain regions.
The growth of myelin around axons speeds neurotransmission, enabling better communication between the frontal lobe and other brain regions.
A layer or sheath called myelin made up of protein and substances develop around nerve cells, including those in the brain and spinal cord.
Myelin can function as an insulator because of its low capacitance and high electrical resistance qualities. That’s why it is also called as an insulating layer.
Since axons are insulated by the myelin sheath, which makes it possible for them to carry electrical signals more quickly than they would be able to otherwise.
Thus, the speed of electrical transmission increases with an axon's degree of myelination.
These myelinated nerves can have a signal transmission speed of up to 100 m/s.
And this high speed of neurotransmission also enables better communication between the frontal lobe and other brain regions.
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During the complete catabolism of a molecule of glucose by aerobic cellular respiration, oxidative phosphorylation accounts for how many times more ATP than does substrate-level phosphorylation
About 4 times more ATP is generated during oxidative phosphorylation than substrate-level phosphorylation.
Oxidative phosphorylation:In the metabolism process known as oxidative phosphorylation, also known as electron transport-linked phosphorylation or terminal oxidation, cells employ catalysts to oxidize carbohydrates, liberating chemical energy and producing adenosine triphosphate (ATP) as a consequence.
According to some modern studies, the ATP output after aerobic respiration is only approximately 30-32 ATP molecules /molecule of glucose, rather than 36-38, because:During oxidative phosphorylation,
the ATP: NADH+H+ and ATP: FADH2 ratios appear to be 2.5 and 1.5 instead of 3 and 2, respectively. Substrate level phosphorylation:Substrate-level phosphorylation is a metabolic activity that produces ATP or GTP by the direct transfer of a phosphoryl (PO3) group from another phosphorylated chemical to ADP or GDP.Substrate level phosphorylation happens via glycolysis and the Krebs cycle. It happens in two phases during glycolysis, and because 2 molecules are involved, it eventually creates 4 ATP from a glucose molecule.As a result, the total ATP molecules generated from substrate-level phosphorylation of a glucose molecule during aerobic respiration will be 4+2 = 6.Therefore, it is concluded that ATP generated during oxidative phosphorylation is 30-6=24 or 32-6=26 i.e., about 4 times than substrate-level phosphorylation.
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What does happen with a human body after death?
Answer:
Once the heart stops beating, that means the blood in the body is no longer circulated, meaning that gravity starts to do its work. The blood starts to pool (liver mortis) at the bottom of wherever the body was positioned (which can help indicate if a body has been moved since they died in homicide cases etc.), and the body starts to turn that green-ish blue color, with a dark-purpley color forming at the bottom of wherever gravity takes it (for example, if the body died and remained in a position standing up, then the blood would pool at the feet, whereas if the body died and remained laying on its back, then the pooling would occur in the back area of the body). Additionally, rigor mortis (you can remember it as being rigid) occurs, which is when the body locks up, so the joints lock and are unable to move, which is why it is often hard to get rid of/pack up and throw away a body because over the span of several hours the body locks up (it eventually wears off). Lastly, we have algor mortis, which is the change in temperature of the cadaver. Since the blood is no longer circulating, the body has nothing to retain a constant temperature anymore. The body will begin to change the temperature accordingly based on the surrounding temperature (environments that are hotter than the body will heat it up and similarly to cooler environments). If the body is found before it reaches the local temperature, then the current temperature can be used to help estimate and determine the time of death (there is a formula for this, but I'll leave it up to you if you want to look into it). After a few days, the body will start to decompose, and it will inhabit insects, especially flies and such, and the stage of development of the larvae and/or fly can also help estimate and determine the time and date of death.
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When testing for tonicity of red blood cells, why were you unable to read the lab manual through the tubes containing hypertonic or isotonic solution
You were unable to read the lab manual through the tubes containing hypertonic or isotonic solution because the cells in those solutions remained intact, causing the solutions to be opaque.
In an isotonic solution, a red blood cell will not experience any net water movement. There won't be a net migration of water towards the solution or the cell since the concentration of the solute and water are identical both within and outside the cell.An animal or plant cell submerged in a hypertonic solution shrinks as a result of water loss ( water moves from a higher concentration inside the cell to a lower concentration outside ). hence the cells remain intact causing the solution to be opaque.learn more about hypertonic or isotonic here: https://brainly.com/question/19358677
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What happen to plant wound after 2 days
Answer:it starts healing after 2 days
Explanation:
its hard life being a plant! from pathogens and herbivores are un-favourable wether they are constantly ingured or picked they get eaten when a plant gets a wound it regrows cuz it has the hormones of both male and fe-male so they can re-grow their body parts after 2 days its starts healing
The right optic tract: A. carries information from the lateral halves of both retinae. B. carries information from the medial halves of both retinae. C. carries information from the lateral half of the retina (right eye) and the medial half of the retina (left eye).
The right optic tract carries information from the lateral half of the retina (right eye) and the medial half of the retina (left eye).
The optic tract is a continuation of the brain's optic nerve. It starts where the signals from the left and right eyes cross (or "decussate") to produce a whole visual image.The left and right optic tracts make up the optic tract, which is actually made up of two independent tracts. Information from the temporal retinal fibers in the left eye and the nasal retinal fiber in the right eye is sent by the left optic tract. The temporal retinal fibers from the right eye and the nasal retinal fibers from the left eye transmit information to the right optic tract.Homonymous hemianopsia, a disorder that results in a partial loss of sight affecting either the right or left eye, can be brought on by damage to the optic tract.learn more about optic tract here: https://brainly.com/question/7283580
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Sebastian has chronic myelogenous leukemia and is being given imatinib (Gleevec). Imatinib blocks specific enzymes and growth factor receptors that affect cancer cell proliferation and belongs to the class of drugs called ____.
Answer:
signal transduction inhibitors
what is biology ? ky
Answer:
It's the study of living organisms; you could remember the word bio which means life.
Explanation:
hope it helps
sry if I'm wrong
which combinations of alleles are always involved in the inheritance of a sex-linked trait?
Answer:
The "x" and "y"
Explanation:
Answer:
alleles that are carried on X and Y chromosomes
Explanation:
Edge
Bonds between animo acids are what type of bonds?
A. Covalent
B. Peptide
C. Hydrogen
D. Ionic
The bonds between amino acids are PEPTIDE chemical bonds (Option B).
What is a peptide bond?A peptide bond is a special type of chemical bond between adjacent amino acids in a polypeptide chain.
Peptide bonds are known to be formed by a chemical process called dehydration synthesis.
In conclusion, amino acids bind by PEPTIDE chemical bonds (Option B).
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Even when they are not using an electron transport chain (ETC), fermenting bacteria need a proton motive force (PMF) for ______.
Even when they are not using an electron transport chain (ETC), fermenting bacteria need a proton motive force (PMF) for transport processes.
The proton motive force (PMF) is an electrochemical gradient of protons that bacteria produce and sustain across their cytoplasmic membrane. Numerous crucial bacterial functions, including ATP production, flagellar motility, and transport processes, depend on this PMF. Proton motive force (PMF) is a fundamental component of all bacterial growth and survival in both replicating and non-replicating environments. Energy is conserved during respiration by producing PMF across a proton-impermeable barrier.
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