Match the type of microevolution with the example described below. Letters may be used once, more than once or not at all.A. genetic driftB. migrationC. mutationD. natural selection
Answers
• Peppered mohs vary from light to dark and the frequence of light and dark morths varies depending on the color of the trees in their environment.
,• D. Natural selection. ,The color frequency is related to the trees because whe the moths are a different color from th trees, they are more easuily eaten, so o,nly the mmore adapted moths, ,survive, and have ,offspring,.
• A group of birds moves to a new patch of forest and begins to breed with the existing poplation that currently lives in that forest.
,• B. Migration. , The group that arrives at the new patch of forest has, moved or migrated, and brings ,new genetic information, to the population living there previously.
• A small group of whte-tailed deer croosses the frozen water of Lake Michigan and establishes a new population on a remote island. The alleles present in the gene pol of the pfounder population differ from the populationpresent in the rst of Michigan. A
,• A. Genetic drift ,(founder effect)., When a small grup o indviduals splts from the main population and sestablishes anew new one, this new popultion hasjust a s ,smallample of the alleles f,rom ththe original population, and just by, random chance(genetic drift), differetnt ,alleles will be fixated, in the new population
• Colorful lizards living on brown leaves are most often eaten by predators.
,• D. Natural selection. ,As with the moths, the lizards with a more different color than their environment are moe prone to be eaten, so they don't reproduce and those colors don't remain in the poulation.
Related Questions
0.researchers have identified a specific gene, called , that is thought to be responsible for sharply increasing children's risk for obesity. a.obe b.fto c.oto d.fta
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FTO is the gene responsible for causing obesity in child .
obesity can be caused by many lifestyle issues like little activity and eating high mount of calories food and drinks . But this disease is also related to genetic and hormonal factors that might play an important role . many Studies have concluded that the fat mass and obesity associated (FTO) genotype is associated with individual instability in weight loss with response to diet lifestyle interventions, but results are inconsistent.
Fto is mostly downregulated during fasting and upregulated during feeding, and that variation in Fto resulting in decreased expression or activity might provide a signal that promotes feeding and obesity.
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(30)Can an organism with a homozygous dominant genotype have an offspring with the recessive phenotype? Explain your answer
(in depth explanation pls ;-;)
Answers
No, an organism with a homozygous dominant genotype cannot have an offspring with the recessive phenotype because when crossed with hetero/ homozygous , the offspring will contain a dominant allele.
What is a genotype?An individual's genotype, often known as their genetic make-up, refers to the genes that are responsible for a set of characteristics or qualities that are manifested in that individual.
The phenotype is the outward manifestation of how a gene is expressed. The phenotype is the sum total of all the genes in an individual that are either expressed or can be observed in their physical form.
It is only possible for the phenotype associated with recessive alleles to be expressed in an organism if that organism possesses two copies of the recessive allele, making it homozygous for the recessive allele. This indicates that the genotype of an organism that possesses a dominant phenotype might either be homozygous for the dominant allele or heterozygous for the dominant allele.
Therefore, an organism with a homozygous dominant genotype cannot have an offspring with the recessive phenotype.
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what do single cells or cells have that are similar to role that organs play in the human body?
Answers
Cells give the body structure, absorb nutrients from meals, transform those nutrients into energy, and perform specific tasks. They produce copies of themselves and include DNA, the body's genetic material. The simplest functional unit of the human body is the cell.
How do cells work?The fundamental units of all living things are cells. There are many billions of cells in a human body. They give the body structure, absorb nutrients from meals, turn those nutrients into energy, and perform certain tasks.All of these plants and animals, including trees in a forest, fish in a river, horseflies on a farm, lemurs in the jungle, reeds in a pond, and worms in the soil, are comprised of the building blocks known as cells. Many living organisms are made up of countless cells cooperating with one another, similar to these examples.They give the body structure, absorb nutrients from meals, turn those nutrients into energy, and perform certain tasks. Additionally, cells have the ability to replicate themselves and contain the body's genetic material.To learn more about Cells refer to:
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Which brand of ketchup tastes the best?
A. Scientific.
B. Non-scientific.
Answers
Answer: I'd say Heinz
Explanation:
One of the most popular brands of the ketchup world is Heinz, which is also said to be the best-tasting store-bought ketchup brand.
Many people have stated that Heinz has the best overall appearance, texture, and flavor that most people want in tomato ketchup.
Heinz ketchup features a thick and glossy texture, making Heinz ketchup perfect for dips and dolloping over food.
Moreover, Heinz ketchup has an ideal balance of tomato, sweet, and tangy flavors, which has made Heinz ketchup the top-selling ketchup brand.
Additionally, Heinz has created several ketchup products in its time, such as organic ketchup, no sugar added ketchup, and more.
Sometimes, Heinz got into making unique-looking ketchup such as purple ketchup, Chicago dog sauce, etc., but these variations did not stay in the market for long.
Answer: non-scientific but it would be more of an opinion than anything
Explanation:
______ is a specialized type of cell division that produces cells that are genetically different from each other.
Answers
Meiosis is a specialized type of cell division that produces cells that are genetically different from each other.
Cell division is the process through which all cells are created from other cells. Meiosis is a specific type of cell division that generates reproductive cells like sperm and egg cells as well as plant and fungus spores. A "parent" cell generally divides into two or more "daughter" cells during this process. The parent cell can transmit its genetic material in this manner from generation to generation.
Meiosis is a specific type of cell division that takes place in sexually reproducing organisms. It generates reproductive cells like sperm, egg, and spores in plants and fungi, as was previously indicated. In humans, germ cells go through a process called meiosis to develop into sperm or eggs.
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chloroplasts move protons from to build a proton gradient group of answer choices the stroma to the cytosol. the intermembrane space to the matrix. the matrix to the stroma. the stroma to the inner thylakoid space. the inner thylakoid space to the stroma.
Answers
Chloroplast moves protons from the stroma to the inner Thylakoid space to build a proton gradient.
The chloroplast function is fundamentally dependent on proton gradients. The light-induced -proton gradient is necessary for ATP synthesis across thylakoid membranes.
In the chloroplast stroma, plant photosynthesis generates reduced power. Protons are transported from the stroma into the thylakoid lumen during this process, resulting in the transmission of a proton motive force (pmf) across the thylakoid membrane.
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Are oranges more acidic or alkaline? How do you know?
Answers
Contrary to the belief that citrus fruits are highly acidic and would have an acidic effect on the body, they are the best source of alkaline foods. Lemon, lime and oranges are loaded with Vitamin C and are known to help in detoxifying the system, including providing relief from acidity and heart burn.
Laws change, constitutions get amended, and they do so because changes take place
in society that harbor that necessary change. If you could make a change in West
Virginia, in an Essay giving detail, what change would it be and why?
Answers
If I could make a change in West Virginia, the law will be in regards of arms possession by civilians.
Total Ban on arms possession by civilians in West Virginia.West Virginia is known to be a state that gives room for open carry without a permit. If a person is at least 18 years old and has a legal right to possess a handgun under state and federal law, they are permitted to carry a firearm openly without a license. There are some places that are off-limits, such courts and schools.
It is a society that recognizes the right to carry a concealed weapon within the state without first acquiring a concealed handgun license. This law may seems okay for some people, but its negative implications outweigh its advantages.
With the high rise in gun violence, there is therefore the need to amend this law. The Second Amendment does not protect concealed carry of arms, according to opponents of the practice, who also contend that police personnel with the appropriate training should be in charge of ensuring the protection of the public.
Therefore, i believe a total ban should me place on civilians carrying fire arms so as to protect the people from harm.
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One way to tell the difference between hypertonic and hypotonic solutions is that _____________. options cells in hypertonic solutions will shrink as water moves out cells in hypertonic solutions will move faster as water pushes outward cells in hypotonic solutions will swell as water moves into the cell both a and c
Answers
One way to tell the difference between hypertonic and hypotonic solutions is that both a and c.
In the field of science, a hypotonic solution can be described as a solution in which there will be less solute inside the cell as compared to the outside. Hence, water will move into the cell in a hypotonic solution causing it to swell.
On the other hand, a hypertonic solution can be described as a solution in which there is more water inside a cell as compared to outside of a cell. As a result, water will move out of a cell in a hypertonic solution and hence the cell will shrink.
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the vo2max provides a quantitative measure of a person's capacity for . . . group of answer choices anaerobic glycolysis aerobic atp resynthesis maximum lactate production none of the above
Answers
The correct answer is Aerobic ATP resynthesis.
What is vo2max ?
vo2max is the measurement of maximum amount of oxygen our body uses during exercises. Here, v represents volume, o2 is oxygen and max represents maximum.
What is Aerobic ATP resynythesis ?
It is the process of converting energy into Adenosine Triphosphate(ATP) by using oxygen present in blood. It occurs in mitochondria.
Therefore, vo2max provides a quantitative measure of a person's capacity for Aerobic ATP resynythesis.
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What kind of mathematical relationship seems to exist between the length of the ulna and the height of an individual?
Answers
(Pearson's correlation )interpreted a very high significant (P < 0.001) relation between the length of the ulna and the height. The regression equation was derived to estimate the height of an individual from the length of the ulna in males and females.
The kind of mathematical relationship that seems to exist between the length of the ulna and the height of an individual is Pearson's correlation.
What is Pearson's correlation?The Pearson correlation coefficient (r) is the most commonly used metric for determining a linear relationship. It is a number ranging from -1 to 1 that indicates the strength and direction of a link between two variables. When one variable shifts, the other shifts in the same way.
Pearson's correlation revealed a highly significant relationship between ulna length and height. The regression equation was developed to estimate an individual's height from the length of the ulna in males and females.
Therefore, the mathematical relationship that exists is Pearson's correlation.
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(20!!!!!)Select the type of inheritance pattern that is best described below:
When graphed, the number of individuals of various heights forms a bell-shaped curve.
a
Pleiotropy
b
Polygenic Inheritance
c
Multiple Alleles
d
Codominance
e
Incomplete Dominance
Answers
Answer:
Polygenic Inheritance tend to result in a distribution that resembles a bell-shaped curve, with few at the extremes and most in the middle.
What is a trade-off?
a new scientific discovery that benefits the environment
something you sacrifice in order to gain something else
a technological advance that makes life easier
Answers
The correct statement is (c) something you sacrifice in order to gain something else.
What is a trade-off ?A trade-off refers to decision making that involves sacrificing or decreasing in quality or quantity of one set of property or ideas in terms of gaining or increasing in another set of property or ideas.
In simple words, a tradeoff is a situational decision of choosing one thing on the cost of another. Sometime it is also called as compromise.
Thus, from above the correct explanation to trade-off is represented by the statement (c) something you sacrifice in order to gain something else.
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How would you describe what a shale with ammonite looks like?
Answers
Answer: The color-producing shell layer of Ammolite is usually very thin (often less than one millimeter) and attached to a dark gray to brown base of shale or siderite. Exceptional pieces can be cut into gems without stabilization.
Explanation:
The color-producing shell layer of Ammolite is usually very thin (often less than one millimeter) and attached to a dark gray to brown base of shale or siderite. Exceptional pieces can be cut into gems without stabilization.
Ammolite triplet
Most Ammolite is used to produce triplets. These are made by backing the fragile iridescent material with a thin slab for stability and topping it with a transparent cover for protection.
Clear quartz or spinel can be used for the transparent cover. Black shale or another material can be used for the backing. Some Ammolite is made into doublets, which only requires adding a backing or transparent cover as needed. Many stones are impregnated with epoxy for stability.
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you are given 5 substances: backing material, pzt, matching layer, gel, and skin whose impedances have been measured. unfortunately, the labels identifying each have fallen off. there are five labels, indicating impedances of 0.7 mrayls, 1.0 mrayls, 1.8 mrayls, 1.5 mrayls, 2.0 mrayls. if the backing material is 1.8 mrayls, what are the impedances of the soft tissue, matching layer, gel, and pzt. why?
Answers
The impedances of the substances are:
- PZT (2 Mrayls)
- Matching layer (1.6 Mrayls)
- Gel (1.0 Mrayls)
- Skin (0.8 Mrayls)
The active element's impedance is comparable to that of the supporting material. The materials along the way from the PZT to the skin will have decreasing impedances; the PZT will have the highest impedance, followed by the matching layer, gel, and then the skin, to maximize the efficiency of sound energy transfer between the transducer and the body.
Therefore, the impedances of the substances are: PZT (2 Mrayls), Matching layer (1.6 Mrayls), Gel (1.0 Mrayls) and Skin (0.8 Mrayls).
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albinism (the lack of melanin pigmentation) is an autosomal recessive trait. a man and woman both show normal pigmentation but both have one parent who has albinism. they have one daughter who is phenotypically normal. what is the probability that their next child would be an albino girl?
Answers
The probability that the next child will show albinism is 0.25.
Albinism is a kind of genetic disorder that occurs in a person. This condition is caused by the lack of a pigment called melanin in a person. The lack of this certain pigment in a person's skin, hair, and eyes leads to lighter color or no color in one's skin, hair, or eyes.
In the given situation, the parents of the child are heterozygous parents.
Hence, since they both have one parent that has albinism, the probability that they will show albinism is 0.25. Since it is a recessive trait in both of them, they might or might not show it. In this case, they didn't, but the marker which carries the trait is still present in both of them. Hence, when they pass it on to their second child, the probability that the second child will show albinism is also 0.25 or 25%
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I need help important test
i need the answers asap
Answers
Answer:
Pretty sure the answer is D
Explanation:
the percentage of homozygous recessive individuals (for one particular trait) in a population is found to be 64%. assuming the population is at hardy-weinberg equilibrium, what is the proportion of the homozygous dominant genotype? (give your answer as a decimal between 0-1)
Answers
The percentage of the homozygous dominant genotype is 0.04 or 4%
An important fundamental principle of population genetics is the Hardy-Weinberg Equilibrium (HWE), which states that "genotype frequencies in a population remain constant between generations in the absence of disturbance by external factors."
if, [tex]p^{2}[/tex] = 64% = 0.64
Therefore, the percentage of the recessive allele in the population,
q = 0.8
Since, p + q = 1, the percentage of the dominant allele in the population, p = 0.2
Now, the percentage of homozygous dominant genotype in the population,[tex]p^{2}[/tex] = [tex](0.2)^{2}[/tex] = 0.04 or 4%
the percentage of heterozygous genotype, 2pq = 2(0.8)(0.2) = 0.32 or 32%
(complete question)
The percentage of homozygous recessive individuals (for one particular trait) in a population is found to be 64%. Assuming the population is at Hardy Weinberg equilibrium, what is the proportion of the heterozygous genotype? (give your answer as a decimal between 0-1)
p+q=1(p= freq. of dominant allele, q= freq. of recessive allele)
[tex]p^{2}[/tex] +2pq+ [tex]q^{2}[/tex] =1
( [tex]p^{2}[/tex]= proportion of homozygous dominant genotypes,
2pq = proportion of heterozygous genotypes,
[tex]q^{2}[/tex]=proportion
of homozygous recessive genotypes)
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Which phases can line up correctly to cause an eclipse to occur?
Answers
A solar eclipse occurs when the Moon comes between the Sun and Earth
What is an eclipse?When the Moon passes between the Sun and Earth, a solar eclipse occurs, emitting a shadow on Earth that either fully or partially blocks the Sun's light in some areas. This only happens sometimes, because the Moon doesn't orbit the same horizontal as the Sun and Earth do. A solar eclipse occurs when the moon gets between Earth and the sun, and the moon sends out a shadow over Earth. A solar eclipse can only happen during the new moon's phase when the moon passes directly between the sun and Earth and its shadows fall upon Earth's surface. Solar eclipses occur only at the new moon phase when the Moon is between Earth and the Sun. throughout a solar eclipse, the Moon casts a shadow on Earth, and blocks or partially blocks our view of the Sun.
So we can conclude that an eclipse of the Moon can only occur at Full Moon.
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What do we call the specialized neurons in the occipital lobe’s visual cortex that respond to particular edges, lines, angles, and movements?.
Answers
We call specialized neurons in the occipital lobe’s visual cortex that respond to particular edges, lines, angles, and movements "feature detectors".
What are feature detectors?
Feature detectors are neurons present in the central nervous system, more specifically the brain. They efficiently receive visual information and respond to specific features, such as lines, edges, angles, movement, etc.
What makes these neurons special is the way they help the body respond to some type of visual stimulus that has unique characteristics.
In summary, feature detectors made it possible for humans to identify the shape of an object. A football goal keeper, for example, can easily identify a fast moving round ball and predict the angle to fly so as to complete a save. Identifying that round ball and the angle it is coming at is the function of feature detectors.
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fitness is a measure of reproductive success. if an individual with genotype (bb) produces 6 offspring, and a heterozygous individual (bb) produces 10 offspring, and a third individual with genotype (bb) produces 5 offspring, what is the fitness value for the individual with (bb) genotype?
Answers
Reproductive success is measured by physical fitness.Natural selection can affect polygenic traits or qualities determined by different alleles of a single gene.
Is fitness is a measure of reproductive success?
Natural genetic variations among members of the same species are referred to as genetic variation.A population can adapt and survive in the face of shifting environmental conditions thanks to this variety. The fitnesses are just each survival rate divided by the highest survival rate if only survival rates vary and reproduction rates are all identical.Fitness is equal to each reproductive rate divided by the highest reproductive rate if only the reproductive rates vary and the survival rates are all identical. The type of variant present at a specific locus (i.e., region) in the genome is scored by what is known as a genotype.Symbols can be used to symbolize it.For illustration, BB, Bb, and bb could be used to denote a certain gene variant. Even though we are thinking about how selection affects genotypes, we can still compute an allele's average fitness (also known as the marginal fitness) by dividing the likelihood that an allele would occur in a certain genotype by its fitness. The quantity of viable progeny that an organism produces is the best indicator of its fitness.Fitness is a key indicator of reproductive success since it leads to more children, who in turn add more genes to the gene pool for the following generation.Typically, subjects like evolutionary biology will utilize this word. If a dolphin generally gives birth to three young during her lifetime and gives birth to four, she has a greater relative fitness.The absolute fitness of the organism is divided by the typical number of offspring in a population to determine relative fitness.To learn more about reproductive refer
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sean is performing barbell squats with the intent of building up his quadriceps muscles. to make the quadriceps perform more work and increase the efficiency of the exercise, he should:
Answers
To make the quadriceps perform more work and increase the efficiency of the exercise, Sean should minimize the amount of trunk flexion at the start of the concentric phase.
We can describe trunk flexion as forward pelvic tilt and flexion of the spine. This activity causes more pressure on the muscles of your quadriceps and hence helps in building them.
The quadriceps can be described as the muscles that are present in the front region of the thigh. These area has more muscle mass as compared to other areas of your brain and hence need to be worked on so that the muscle mass here can be reduced.
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Which cell type is only located in two layers of the epidermis, the stratum spinosum and the stratum granulosum?.
Answers
The cell type which is only located in the two layers of the epidermis include the stratum spinosum. Stratum spinosum include a 8-10 layers of cells.
What is Epidermis layer of skin?Epidermis is the outermost layer of the skin on body. Epidermis protects the body from harm, keeps the body hydrated, produces new skin cells and also contains melanin, which determines the color of the skin. It consists mostly of the keratinocytes, however it also consists of Langerhans cells, melanocytes, and Merkel cells resting on the supporting dermis which contains the nerve and vascular networks, which nourish the epidermis layer of the skin.
Stratum spinosum is made up of 8-10 cell layers, which contains irregular, polyhedral cells through the cytoplasmic processes, sometimes called as spines, which extend outward and contact the neighboring cells by desmosomes. Dendritic cells can be found in this layer of cells.
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many physical systems, tissues, and cells become more susceptible to injury and disease with advanced age. this increased susceptibility, or normal alterations over time in the body and its organ systems, is known as
Answers
With advancing age, numerous physical systems, tissues, and cells become more prone to damage and illness. Ageing is the term used to describe these gradual changes in the body's organ systems and increased sensitivity.
Why does aging make humans more prone to illness?The immune system could experience the following changes: The immune system's reaction time slows down. This makes becoming sick more likely.
How does tissue development alter as we get older?Waste materials accumulate in tissue as we age. Many tissues accumulate lipofuscin, a fatty brown pigment, along with other fatty compounds. With aging, connective tissue becomes more rigid.. As a result, the airways, blood vessels, and organs get rigid.
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An object displaces 7.1 ml of water. If the mass of the
object is 4 grams, what is the density?
Answers
Answer: D = 0.56 g/ml
Explanation:
We can use the density equation for this one.
D = m / v
We are given Mass (m) and Volume (v).
D = 4g / 7.1 ml
D = 0.56 g/ml
Which of the following is always represented by a chemical formula?
elements ions compounds mixture
Answers
after two weeks, the scientists measured the increase in body fat in the mice. they also determined the amount of energy (in kcal/g) in the feces of both groups -- that is, the energy in the food molecules that was not extracted or absorbed by the mice. what experimental results would support the scientists' hypothesis? label the bars on the graphs to match the results predicted by the hypothesis.
Answers
Body fat of the lean germ-free mice that received microbes from genetically obese mice increases and their feces contains less energy food will support the scientists' hypothesis.
Since the researchers are determining whether or not microorganisms in the gut community are responsible for obtaining energy from meals, supplying additional calories to the host, and encouraging the development of greater fat deposits, they used obese mice.
Less body fat and more energy food in the feces of the lean germ-free mice that received microbes from genetically lean mice support their claim; that genetics may be a reason while the microbes in the obese mice absorb food, extract energy, and deposit fat in their host. An increase in body fat in the lean germ-free group that received microbes from the genetically obese donors will prove their claim.
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Which sentence is the best example of a living thing responding to its environment?
Answers
Answer: B
Explanation:
I just did the test and it’s B
Which of the following is NOT a similarity between scanning electron microscopes and
transmission electron microscopes?
A. The medium is a vacuum.
B. The lenses are electrostatic.
C. The image is three-dimensional.
D. The magnification is electrical.
Answers
The image is three-dimensional which is produced by scanning electron microscopes this is not similarity between scanning electron microscopes and transmission electron microscopes
What is scanning electron microscopes and transmission electron microscopes ?Transmission electron microscopes (TEM) are types of microscopes that provide an image that is greatly enlarged while viewing specimens using an electron particle beam. TEMs have a 2 million-fold magnification capacity.
A focussed stream of electrons is projected and scanned over a surface by a scanning electron microscope (SEM) to produce a picture. The interaction between the beam's electrons and the sample results in a variety of signals that can be used to learn more about the surface's topography and composition.Compared to the SEM, the TEM has a resolution that is higher ( 0.2 nm), and HR-TEM can even achieve near-atomic resolution. Furthermore, TEM offers details on both elemental and complex structure (i.e., crystal structure, elemental information and morphology)Learn more about Microscopes here:
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explain why the delay between muscle stimulation and load movement became longer asthe load became heavier in the experiment. how well did the results compare with yourprediction
Answers
The delay in muscle response with heavy load make it longer to heavy weight because as the weight of the load increases, so does the latent period time and the shortening velocity speeds.
When the muscle tension exceeds the load, muscle shortening occurs. The latent period increases as the weight of the load gets heavier, this is for the important force to be activated by the muscle.
If enough myofibrils shorten, the whole muscle fiber slides gets shorter. As more and more muscle fibers contract with each other, they shorten the entire muscle by changing the attachment points at the two ends of the muscle toward each other.
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