In plant seed early in germination - before anything turns green. they put seeds dehydrated in dark sealed container & measure, (a) number of Lipids: 0.4% & Carbohydrates: 0.8% in the seed. (b) The amount of Oxygen: 0.5% and CO2: 0.2% in headspace.
Marco and Natalia's experiment shows that adding water to a plant seed initiates metabolism that use the stored lipids and carbohydrates for energy. The increase in oxygen and CO2 indicates that the metabolic processes are producing these gases as byproducts. This suggests that the seed is beginning to respire and grow metabolism Convert food into energy. Metabolism is process by which body converts food & drink into energy. During this process, calories from food and drink mix with oxygen to create the energy your body needs. Even at rest, your body needs energy to do anything.
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Please help !
Which of the following apply to cryoprecipitate:
A. a concentrated sample of white blood cells
B.none of the above apply to cryoprecipitate
C. a concentrated sample of B-specific carbohvdrate
D. a concentrated sample of D-specific alloantibody
E. a concentrated sample of coagulation proteins
E. a concentrated sample of coagulation proteins is correct.
E. a concentrated sample of coagulation proteins is correct.
Cryoprecipitate is a blood product that is obtained by freezing and thawing plasma. It is a concentrated sample of coagulation proteins, including factors VIII and XIII, von Willebrand factor, and fibrinogen. Cryoprecipitate is used to treat bleeding disorders, such as hemophilia, and to support blood clotting in other medical conditions.
A. a concentrated sample of white blood cells is not correct. White blood cells are a type of immune cell that helps to fight infections and other diseases. They are not present in cryoprecipitate.
B.none of the above apply to cryoprecipitate is not correct. Cryoprecipitate is a concentrated sample of coagulation proteins, as described above.
C. a concentrated sample of B-specific carbohydrate is not correct. Carbohydrates are a type of biomolecule that provides energy to the body. They are not present in cryoprecipitate.
D. a concentrated sample of D-specific alloantibody is not correct. Alloantibodies are antibodies that are produced in response to foreign substances, such as transplanted organs or blood transfusions. They are not present in cryoprecipitate.
verify 1. a person is out fishing and cuts their finger with a fillet knife. although the wound is small, the laceration provides an entry point for bacteria (vibrio vulnificus), which invade the tissue. describe the steps that would be employed by a neutrophil to eliminate a bacterial cell. assume that no antibodies are present that recognize the bacteria as foreign.
The bacteria Vibrio vulnificus is responsible for gastroenteritis, serious wound infections, and septicemia. High morbidity and death result from this infection's delayed diagnosis and treatment.
What is the name for bacterial cells?bacterial cell of the bacillus type. Eukaryotic cells, which make up other forms of life, are essentially distinct from prokaryotic cells, which include bacteria and archaea. Compared to eukaryotic cells, prokaryotic cells have a considerably simpler architecture.
What purpose do bacteria serve?To name a few functions, the bacteria in our systems help break down the food we eat, assist us access nutrients, and neutralize toxins[7]; [8]. They also contribute significantly to the fight against diseases by shielding colonized surfaces from invasive bacteria.
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the conversion of short-term memory to long-term memory would be inhibited by ablation of the .
The conversion of short-term memory to long-term memory would be inhibited by ablation of the Hippocampus.
To transform a short-term memory into a long-term memory, the brain must undergo modifications that shield the memory against interruption due to injury, illness, or conflicting stimuli. Consolidation is the term for the temporal process by which memories are permanently imprinted with events.
Most of the time, when someone mentions memory loss (formerly known as amnesia), they are actually referring to long-term memory. Accordingly, short-term memory is defined by cognitive psychologists as the first 15 to 30 seconds of memory, and long-term memory is defined as the remaining portion of memory that lasts longer than 30 seconds. Long-term memory loss may result from some short-term memory loss causes, which are progressive, meaning they get worse with time.
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Why is there a higher number of carriers than affected individuals?Settings:Mode of inheritance - RecessiveParental generation -Male - HeterozygousFemale - Homozygous mutantMatings between relatives - disallowProgeny in first generation - 4Show carriers - turn on
Despite only having a 25% probability of contracting the illness, offspring get a 75% chance of acquiring at that one mutant allele.
What is an example of homozygosity?When two identical copies of a gene are present, you are said to be homozygous for that gene. It contrasts with a heterozygous genotype, in which the alleles are distinct. Everyone who possesses a recessive characteristic, such as red hair or blue eyes, is dominant for that gene.
Or AA is homozygous?Homozygous people have two copies with same allele. That might be homozygous dominant or hereditary recessive, AA or aa. A person with two dominant "A" genotypes for a certain gene is said to be homozygous dominant for that gene.
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which of these statements correctly describes an agglutination reaction? group of answer choices gluten peptides presented by apcs are sticky, so the cells clump together a cell suspension incubated with fluorophore-conjugated antibodies can be run on a flow cytometer antibodies bound to antigen-expressing cells form large macroscopic aggregates it cannot be used to determine a patient's blood type
Gluten peptides presented by APCs are sticky. This is correct for an agglutination reaction.
Aglutination occurs when an insoluble or particle antigen interacts with an antibody. A positive reaction can be detected macroscopically in a short period of time. The antigen-antibody complex, on the other hand, can be seen with the bare eye if it is large enough. The agglutination reaction could involve both IgG and IgM. Agglutination occurs when an antigen and its corresponding antibody, known as isoagglutinin, combine. This expression is commonly used in blood grouping.
Hemagglutination is the process by which red blood cells clump or clog. The agglutin involved in hemagglutination is hemagglutinin. In cross-matching, donor red blood cells are incubated with the recipient's serum or plasma. Agglutination occurs when the blood types of the donor and recipient are incompatible.
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Animals can be classified according to their mode of thermoregulation. Sort the animals below, indicating their likely thermoregulatory strategy. Note that poikilotherms are sometimes referred to as heterotherms.
homeothermic endotherm - walrus, eagle, coyote
homeothermic ectotherm - arctic shrimp
poikilothermic ectotherm - butterfly, freshwater catfish, salamander
Animals can be classified according to their mode of thermoregulation as homeothermic endotherms- eagle, coyote, and walrus. homeothermic ectotherm- arctic shrimp. poikilothermic- freshwater catfish, salamander, and butterfly.
Animals known as homeotherms keep their body temperature constant. All endotherms are homeotherms, but some ectotherms, like desert lizards, are regarded as homeotherms because they are so adept at maintaining their body temperature through behavioral means.
The majority of animals must maintain a relatively stable core body temperature. Endotherms keep their bodies warm by using heat they produce internally. Regardless of the environment, their body temperature tends to remain constant. Ectotherms' body temperatures fluctuate in response to the temperature of the environment, relying primarily on external heat sources.
Poikilotherms, which are cold-blooded animals, have less physiological control over their heat balance but can alter their energy gains and losses by seeking shade, sunlight, or wind shelter. Each term of the animal heat balance equation is discussed in this chapter.
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choose the best description of the cell cytoskeleton.
A)The cell cytoskeleton serves as permanent scaffolding to anchor cell components into position within the cell cytoplasm.
B)The cell cytoskeleton is similar to an animal skeleton in providing rigid internal support and structure to the cell.
C)The cell cytoskeleton is a dynamic network of fibers that can be quickly dismantled and reassembled to change cell shape and the position of cell components
The cell cytoskeleton is a dynamic network of fibers that can be quickly dismantled and reassembled to change cell shape and the position of cell components. Hence option C is correct.
What is cytoskeleton?Cytoskeleton is defined as all cells, even those of bacteria and archaea, have a complex, dynamic network of interconnecting protein filaments. A sophisticated web of protein filaments and motor proteins is present in these fibers in eukaryotic cells, which aid in cell movement.
The cytoskeleton is a framework that aids in maintaining the internal order and shape of cells. Additionally, it provides mechanical support, enabling cells to carry out essential functions including division and motility. There isn't just one cytoskeletal element.
Thus, the cell cytoskeleton is a dynamic network of fibers that can be quickly dismantled and reassembled to change cell shape and the position of cell components. Hence option C is correct.
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label the anatomy of the cochlea, specifically the spiral organ (organ of corti) by clicking and dragging the labels to the correct location. (some labels may not be used.)
The interior (as opposed to external) fluid of the inner ear in higher vertebrates In the cochlea of the ear, the Organ of Corti contains hair cells that react to sound anatomy of the cochlea.
Within the cochlea, where is the spiral organ situated?The hearing receptor organ is found in the cochlea and is called the organ of Corti or the spiral organ (housed inside the scala media). The inner ear's sensory receptors are located in a strip of sensory epithelium consisting of hair cells.
What kinds of structures make up the spiral organ?The spiral organ of Corti, which contains hair cells with an underlying basilar membrane and an overlying tectorial membrane, is housed in the cochlear duct.
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. both attenuation of the trp operon in e. coli and riboswitches in b. subtilis rely on changes in the secondary structure of the leader regions of mrna to regulate gene expression. compare and contrast the specific mechanisms in these two types of regulation with that involving short noncoding rnas (srnas).
The difference between mechanism in these two type of regulation with that involving short noncoding RNAs are:
Different systems that can either stop or start transcription are referred to as riboswitches. In both instances, intramolecular double-stranded RNA forms, causing conformational alterations. To cause the conformational shift, sRNA molecules will bind to the short ribonucleotide sequence (attenuator).
Separate transcripts known as sRNAs are complementary to mRNA and work by joining together to generate intermolecular double stranded RNA. SRNA binding either inhibits or promotes translation.
A functioning RNA molecule that is not translated into a protein is known as a non-coding RNA. An RNA gene is frequently used to refer to the DNA sequence from which a functional non-coding RNA is produced.
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Adaptation to a way of life can explain ___________.
modifications2 examples that relate the change in bone structure to mode of locomotion.
1. Frogs have a combined radius and ulna to help them jump higher.
2. Birds do not have as many metacarpals, carpals, and phalanges so they can fly more efficiently.
the process through which organisms adapt to their surroundings to increase their chances of surviving there.
Why is life adaption important?To really be able to survive, all species must be able can adapt to their environment.This entails adapting in order to survive the ecosystem's climatic conditions, predators, as well as other species who compete with them for resources like food and habitat.
Describe adaptability using an example?Animals and plants that are living have specific characteristics that allow them to live and prosper in their environments.Adaptations are these characteristics.Here are two instances of adaptation:Cacti have transformed their leaves into spines to reduce water loss from transpiration in the scorching conditions of deserts.
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The major regulatory center of the autonomic system is, according to many scientists, the ______________ since this brain region has functions, such as control of body temperature, that require appropriate activation of sympathetic and parasympathetic nerves.
hypothalamus
The major regulatory center of the autonomic system is, according to many scientists, the hypothalamus since this brain region has functions, such as control of body temperature, that require appropriate activation of sympathetic and parasympathetic nerves.
The brain region of the hypothalamus, which performs a variety of functions, contains a large number of tiny nuclei. Constructing a link between the neurological and endocrine systems is one of the pituitary gland's most significant roles. A component of the limbic system is the hypothalamus, which is situated below the thalamus. It is referred to as the diencephalon's ventral portion in terms of neuroanatomy. The hypothalamus is a part of the brain that is present in all animals. Its dimensions are comparable to those of an almond. The hypothalamus regulates the operations of the autonomic nerve system as well as a number of metabolic processes.
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Living organisms make and use three main types of ribonucleic acids (RNA) for their biological functions: * ribosomal RNA (rRNA) * messenger RNA (mRNA) * transfer RNA (tRNA)Match each description to the type of RNA it describes.
A. mRNA
B. rRNA
C. tRNA
1.contains and anticodon
2.has amino acids covalently attached
3.is assembled in the nucleolus
4.is the most abundant form of RNA
5.is a component of ribosomes
6.specifies the amino acid sequence for a protein
7.contains exons
A. mRNA - 6. specifies the amino acid sequence for a protein
B. rRNA - 4. is the most abundant form of RNA, 3. is assembled in the nucleolus, 5. is a component of ribosomes
C. tRNA - 1. contains an anticodon, 2. has amino acids covalently attached, 7. contains exons
Extra Explanation:
Ribonucleic acids (RNA) are biomolecules that are involved in many important biological processes in living organisms. There are three main types of RNA: ribosomal RNA (rRNA), messenger RNA (mRNA), and transfer RNA (tRNA). Each type of RNA has unique characteristics and functions.
1. rRNA is the most abundant form of RNA in the cell, and it is a component of ribosomes, which are the cellular structures that are involved in protein synthesis. rRNA is assembled in the nucleolus, a specialized region of the cell nucleus.
2. mRNA carries the genetic information that specifies the amino acid sequence of a protein from the nucleus to the ribosomes, where it is translated into a protein. mRNA contains exons, which are the coding regions of the gene, and introns, which are non-coding regions that are spliced out before the mRNA is translated into a protein.
3. tRNA is a small RNA molecule that has an anticodon, which is a sequence of three nucleotides that is complementary to the codon on the mRNA. tRNA also has amino acids covalently attached to it, and it brings the correct amino acid to the ribosome during protein synthesis.
What type impulses m(sensory or motor) travel on dorsal root?
Answer:
The sensory impulses generated in the periphery (pain, touch, temperature changes) activate the peripheral processes of the spinal ganglion neurons. These impulses then travel to the spinal cord either directly (bypassing the cell bodies) or through the neuronal cell body in the dorsal root ganglion.
Explanation:
The dorsal root transmits sensory information, forming the afferent sensory root of a spinal nerve. The dorsal root of the spinal nerve mediates the movement of motor impulses to go out of the spinal cord
Dorsal Roots: convey mainly “afferent” sensory information into the dorsal spinal cord. (Blumenfeld, 22) Also referred to as 'dorsal nerve roots. ' Ventral Roots: carry mainly “efferent” “motor” and “signals” from the ventral spinal cord to the periphery.
dooley co. had 200,000 shares of common stock, 20,000 shares of convertible preferred stock, and $1,000,000 of 10% convertible bonds outstanding during 20a1. the preferred stock is convertible into 40,000 shares of common stock. during 20a1, dooley paid dividends of $ 1.20 per share on the common stock and $ 3.00 per share on the preferred stock. each $ 1,000 bond is convertible into 45 shares of common stock. the net income for 20a1 was $ 600,000 and the income tax rate was 30%. basic earnings per share for 20a1 is (rounded to nearest cent)
40,000 units of common shares can be obtained in exchange for the preferred stock. Dooley distributed dividends on the common shares in 20A1 in the amount of $1.20 per share.
How do you define stock?These ownership certificates for any organization are generally referred to as "stocks." In contrast, a share refers to the shares of a certain company. Those who had shares in a specific company are referred to as shareholders. There are two types of stocks: preferred and common.
Why do investors purchase stocks?Your investment portfolio may benefit from including stocks. Investing in stocks of various companies can help you increase your savings, shield your cash from hyperinflation and taxes, and increase the return on your assets. It's imperative to be knowledgeable about the risks involved with stock market investment.
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Is this the correct answer? If not then what is it please tell me
Tonight the music seems so loud
I wish that we could lose this crowd
Maybe it's better this way
We'd hurt each other with the things we'd want to say
We could have been so good together
We could have lived this dance forever
But now, who's gonna dance with me?
Answer:
A phosphate is lost and energy is released.
Explanation:
The explanation is in the photo, it shows the cycle from ATP to ADP to ATP and so on.
All parasympathetic neurons areA) adrenergic.B) cholinergic.C) nitroxidergic.D) gamma-aminobutyric.E) dopaminergic.
All parasympathetic neurons are Option B) cholinergic.The parasympathetic nervous system, which is that portion of the autonomic nervous system whose motor components run in cranial nerves III, VII, IX, and X as well as in the sacral nerves, is an anatomically defined division of the autonomic nervous system.
The sympathetic nervous system is the other division of the central nervous system, and it emerges from the thoracic and upper lumbar spinal cord.
The parasympathetic division supports a wide range of functions. The limbs and skin are not affected, only the autonomically regulated organs of the head, thorax, abdomen, and pelvis. The cell bodies of parasympathetic preganglionic neurons are found in the central nervous system, and they form synapses in ganglia that are either next to or embedded in the walls of the organs they supply.
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Atmospheric
pressure is also known as barometric pressure because it
is measured using a barometer. A rising barometer indicates increasing
atmospheric pressure and a falling barometer indicates decreasing
atmospheric pressure.
HOW DOES THIS FACT FROM MY SUB QUESTION ANSWER THAT COMES FROM A ARTICLE RELATE TO MY RESEARCH QUESTION WHICH IS
What effect does the amount of air pressure have on how far a soccer ball travels when kicked?
Answer:
The greater the air pressure in the ball, the farther it will travel when a force is applied.
Match the term with the correct definition.
Depolarization...
a. small change in resting membrane potential confined to a small area
b. charge difference across the plasma membrane when the cell is in an unstimulated state
c. larger change in resting membrane potential that spreads over the entire surface of a cell
d. membrane becomes more positive when Na+ diffuses into cell
e. return to resting membrane potential
Option d Depolarization membrane become more Depolarization positive when Na+ diffuses into cell.
Because sodium is a positively charged ion, it will cause a change in the relative voltage between inside and outside the cell. Because the resting potential is the membrane's state at a voltage of 70 mV, sodium cation entering the cell causes it to become less negative. Neurotransmitters that open Na+ channels tend to make the Depolarization membrane potential more positive, while those that activate K+ channels tend to make it more negative; those that inhibit these channels tend to have the opposite effect.
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in humans, dnmt1 acts as a , an enzyme that can add methyl groups to bases in newly replicated dna molecules.
In humans, DNMT1 acts as a maintenance methylase, an enzyme that can add methyl groups to bases in newly replicated DNA molecules.
What is an Enzyme?This is referred to as a biological catalyst which are involved in speeding up the rate of reactions in the body by lowering the activation energy. They are proteinous and can be denatured by heat or other types of chemical substances.
DNA methyltransferase 1(DNMT1) is the enzyme which is involved in the addition of methyl groups to bases in newly replicated DNA molecules and therefore functions as a maintenance methylase. This is important as it helps in the regulation of tissue-specific gene expression, X chromosome inactivation etc in the body of an organism thereby making it the correct choice.
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gross anatomy of the human male reproductive system 1. List the two principal functions of the testis:
Male gametes, or spermatozoa, are the first to develop into gametes. The main hormone involved in male sex, testosterone, is also produced.
The spermatic cord holds the testes, which are oval organs in the scrotum that are about the size of extremely big olives, at either end. Males often have two testicles. Sperm and testosterone, the main hormone involved in male sex, are both produced in the testes. Seminiferous tubules, coiling collections of tubes, are found inside the testes. Through a process known as spermatogenesis, these tubules are in charge of creating the sperm cells.
Hormones are essential to the male reproductive system as a whole. These are substances that control or enhance the functionality of your cells and organs.
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to be profitable, a firm has to recover its costs. these costs include both its fixed and its variable costs. one way that a firm evaluates at what stage it would recover the invested costs is to calculate how many units or how much in dollar sales is necessary for the firm to earn a profit. blue mouse manufacturers is considering a project that will have fixed costs of $15,000,000. the product will be sold for $37.50 per unit, and will incur a variable cost of $10.75 per unit. given the cost structure of blue mouse, it will have to sell units to break even on this project (qbeqbe).
The cost structure of blue mouse, it will have to sell units to break even on this project is $15,000,000.
Giving the following details as an explanationThe project being considered by Free Spirit Industries Inc. will have fixed expenses of $15,000,000. The item will cost a variable cost of $10.75 per unit and be sold for $37.50 per unit. Only roughly 200,000 units will be available for sale by the company.
Calculation:
We must determine the price using the break-even principle.
Fix expenses minus contribution margin equals the break-even threshold.
200,000= 15,000,000/ (P - 10.75) (P - 10.75)
2,150,000/200,000 P Equals 12,150,000/200,000 P, or $64.25 per unit, when divided by 200,000 P.
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what organ is associated with osmoregulation and is made of the glomerulus, tubule, and collecting duct? question 2 options: heart kidney liver stomach
The kidney is associated with osmoregulation and is made of the glomerulus, tubule, and collecting duct.
The primary osmoregulatory organs in mammalian systems are the kidneys, which filter blood and keep body fluid osmolarity at 300 mOsm. The cortex, medulla, and pelvis are the three separate internal sections that make up this three-layered structure.
The aorta and inferior vena cava, respectively, serve as the origin and fusion points for the blood arteries that carry blood into and out of the kidneys. The segmental, interlobar, arcuate, and cortical radiate arteries are formed when the renal arteries enter the kidney after branching off from the aorta.
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which of the following statements help to explain the pathogenesis of human transmissible spongiform encephalopathy?
By altering its structure, aberrant PrpSc protein changes the normal host PrpC protein into infectious PrpSc protein.
What does the pathophysiology of a disease entail?
Pathogenesis is the process by which an infection leads to illness. Some of the pathogenic mechanisms of viral disease include virus implantation at the place of entry, local replication, diffusion to target organs (disease sites), propagation to sites of virus shedding into the environment, and so on.
That pathology is what kind?
Different types of pathogenesis, such as microbial infection, inflammation, malignancy, and tissue deterioration, are possible. Bacterial pathogenesis, for instance, is the process by which bacteria cause infectious disease. Numerous variables contribute to the majority of diseases.
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the signal to make new proteins can sometimes be an external signal (as was the example in the video) the order of events are as follows:
Three steps can be distinguished in cell signaling is Reception, transduction and triggering.
Reception: When a signaling molecule enters a cell from the outside, the cell recognizes it. The transduction process involves the alteration of the receptor protein when a signaling molecule attaches to it. Finally, a specific biological reaction was triggered by the signal. The method by which the cell responds to substances outside the cell by using signaling molecules present both inside and on the cell's surface.Typically, the numerous signaling molecules deliver chemical signals to the cells. The signaling molecule binds to the proper receptor on the cell surface, which sets off a series of actions that not only carry the signal to the inside of the cell but also amplify it.To know more about signaling check the below link:
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Match the definition to the word
Answer:
undissipated- 2
malleus -5
decoding -7
stapes -4
incus -6
cochlea -1
tympanic -3
Explanation:
Greetings !
look at the attachment above for the definitions, so far it's also explained.
Hope it helps!!!
in meiosis, crossing over occurs, where homologous chromosomes synapse and their chromatids exchange genetic information. during crossing over, the allele for one trait swaps places with the allele for the same trait on the homologous chromosome. at this point, the sister chromatids are no longer identical. when the chromatids split from each other, there are four unique haploid sperm or egg cells.
This is not a answer but for anyone that wants to help here are the images
Which of the following items are pure elements—that is, made up of only one type of atom?
A. Cake
B. Iron
C. Hydrogen
Answer:
Explanation:
Cake: Its a mixture. Reason : Cake contain various ingredient which can act as compound alone and on mixing these compound properties of each compound remain the same even after the formation of cake.
Iron : Iron has four naturally-occurring stable isotopes, 54Fe, 56Fe, 57Fe and 58Fe
Hydrogen : The hydrogen atom is the simplest of all atoms: it consists of a single proton and a single electron. In addition to the most common form of the hydrogen atom that is called protium, two other isotopes of hydrogen exist: deuterium and tritium.
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Mountains have an unmatched power to drive human evolution. Starting tens of thousands of years ago, people moved to high altitudes, and there they experienced adaptation that reworked their biology. In Tibet, for example, people have broader arteries and capillaries. In the Andes, they can dissolve more oxygen into their blood. These different traits of people who live in high altitudes illustrate
A.inclusive fitness because the variation in the number and types of molecules in their blood increases their survival
B.inclusive fitness because the variation in traits is increased by the altruistic behaviors of the Tibetans
C.relative fitness because the variation in the number and types of molecules in their blood is passed on to the next generation
D.relative fitness because the variation in traits is increased by high birth rate and low death rate
These various characteristics of those who live at high elevations serve as an example of adaptive evolution.
Why does adaptive evolution occur?Only heritable qualities in the population are affected by natural selection, which favors advantageous alleles and increases their frequency while favoring detrimental alleles and decreases their frequency. We call this process adaptive evolution.
What kind of evolution is adaptive?In actuality, the capacity for lactose digestion may be an illustration of evolutionary change in the human ancestry. Adaptive evolution is driven by positive natural selection, which is the propensity of favorable traits to rise in predominance (frequency) in a population.
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gray seed color in peas is dominant to white. assume that mendel conducted a series of experiments where plants with gray seeds were crossed among themselves, and the following progeny were produced: 302 gray and 98 white. (a) what is the most probable genotype of each parent? (b) based on your answer in (a) above, what genotypic and phenotypic ratios are expected in the progeny? (assume the following symbols: g
The theory of genetics, first proposed by Gregor Mendel in the 19th century, states that certain characteristics in plants and animals are determined by the combination of two alleles, one from each parent.
In his experiments with peas, Mendel discovered that the gray seed color was dominant to the white color. This means that when two plants with different alleles for the seed color trait were crossed, the resulting offspring would typically have the characteristic of the dominant allele.
(a) The most probable genotype of each parent is GG and Gg. This is because the parent plants with gray seeds are homozygous dominant (GG) and heterozygous (Gg).
(b) If the two parent plants are GG and Gg, the expected genotypic ratio in the progeny will be 1 GG: 2 Gg: 1 ww. The expected phenotypic ratio will be 3 gray: 1 white. This is because the dominant gray allele (G) is more likely to be expressed in the progeny than the recessive white allele (w). Therefore, the progeny of this cross will have a higher proportion of gray seeds than white seeds.
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What are parallel pathways?
There are three pathways within V1 that perform different functions in parallel.
Magnocellular pathway: begins with m type ganglion cells of the retina. These cells send axons to the magnocellular layers of the LGN. These layers project to layer IVCa of striate cortex, which in turn projects to layer IVB. Because of cortical neurons are direction selective this pathway may be involved in the analysis of object motion and the guidance of motor actions
The parvo-interblob pathway: originates with p-type ganglion cells f the retina, which project to the parvocellular layers of the LGN.The parvocellular LGN sends axons to layer IVCa of striate cortex which projects to layer II and III inter blob regions. Neurons in this pathway have small orientations-selective receptive fields, so perhaps they are involved in the analysis of fine object shape.
The Blob pathway: receives input from the subset of ganglion cells that are neither m or p type cells. These non m/p cells project to the koniocellular layers of the LGN. The koniocellular LGN projects directly to the cytochrome oxidase blobs in layers II and III. Many neurons in the blobs are color selective so they might be involved in analysis of color.
Answer:
The term "parallel pathways" refers to the fact that there are multiple neural pathways in the brain that perform different functions, and that these pathways operate in parallel with each other. In the context of vision, the three main parallel pathways are the magnocellular pathway, the parvocellular pathway, and the Blob pathway. Each of these pathways originates in different cells in the retina and performs different functions in the visual system. For example, the magnocellular pathway is involved in motion detection and the guidance of motor actions, while the parvocellular pathway is involved in the analysis of fine object shapes. The Blob pathway is involved in color analysis. Together, these three pathways work in parallel to enable the brain to process visual information.