Papillae of a person contain taste buds. It is unique and it can be used in genetic identification and also in the identification of a person's health.
Papillae are the small bumps on the tongue that contain taste buds. These papillae are unique to each individual and can be used as a method of identification.
The ridges and patterns on the papillae are determined by genetics and can be used to differentiate one person from another, similar to fingerprints.
Papillae can also be used to identify a person's health status, as certain conditions such as a deficiency in Vitamin B12 can cause a change in the appearance of the papillae. Overall, papillae provide a unique method of identification that is based on both genetics and individual health status.
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The process menstrual cycle occurs at puberty and is one of the sexual characteristics of a female,what are the other secondary sexual characteristics of a female
Answer:
For females, secondary sex characteristics include relative lack of body hair, thicker hair on the head (in some cases), rounded hips/figure, a decreased ability to generate muscle mass at a fast rate, decreased upper body strength, breasts, ability to nurse children, a menstrual cycle, and increased body fat .
Explanation:
when examining the umbilical cord immediately after birth, which blood vessels are present in a normal umbilical cord? select all that apply.
When examining the umbilical cord immediately after birth the Neural tube defects are birth defects of the brain and spinal cord.
What are neural tube defects?The neural tube has been known as the structure that use to form early in the fetal development and this gives rise to the brain along with the spinal cord. Neural tube defects are the type of the birth defect that can be occur when the neural tube does not form properly.
These defects can be lead to serious issue and it can cause the range of symptoms, depending on the specific type of defect. Anencephaly would be a catastrophic birth condition that occurs when a newborn is born lacking portions of the brain or spine.
Therefore, When examining the umbilical cord immediately after birth the Neural tube defects are birth defects of the brain and spinal cord.
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giving reasons, identify the type of fertilization undergone by the above flower
Answer: Hibiscus
Explanation:
A) Stamens: These are the male parts of the flower. The many stamens are collectively known as the androecium. Structurally, it is divided into two parts:
Filament: the part that is long and slender and attached to the anther of the flower.Anthers: It is the head of the stamen and is responsible for the production of pollen which is transferred to the pistil or female parts of the same or different flower for fertilization.B) Ovary, form the base of the pistil. The ovary holds the ovules.
C) Petals: This layer lies just above the sepal layer. They are often brightly colored because their main function is to attract pollinators to the flower, such as insects, butterflies, etc. The petals are collectively known as the corolla.
Eggs – These are the egg cells of a flower. They are contained in the ovary. In the event of favorable pollination, when compatible pollen enters the stigma and eventually reaches the ovary to unite with the ovules, this fertilized product will form a fruit and the ovules will become the seeds of the fruit.
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the band shown for the elephant is 41 bp long. the region around the STR was 9 bases long. the STR was 4 bases long, and was repeated 8 times. this made the STR 32 bp long + 9 for the marker region, so 41 bp. based on this information, how long would another allele at this same location be if it had 5 repeat units instead of 9?
If the band shown for the elephant is 41 bp long and the region around the STR was 9 bases long while the STR was 4 bases long, and repeated 8 times thereby it made the STR 32 bp long + 9 for the marker region (41 bp), then based on this information the length of another allele at this same location be if it had 5 repeat units instead of 9 will be five (5) since 4 x 9 = 36 + 5 = 41 bp.
What is a short tandem repeat (STR) microsatellite molecular marker?A short tandem repeat (STR) is a molecular microsatellite marker whose repetitive pattern may be used to classify and or identify organisms in a phylogenetic or population analysis.
Therefore, with this data, we can see that a short tandem repeat STR molecular marker depends on the number of repetitions.
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The Bombay phenotype is important not only in solving paternity cases, but it also has important implications for blood transfusions involving people with this condition. The issue is that individuals can make antibodies against foreign blood cell molecules not in their own bodies. From which donors can Bombay individuals safely receive transfusions, and to which recipients can they donate their own blood? Explain your reasoning
Only people with blood groups that match the Bombay phenotype may safely transfuse blood with Bombay phenotype patients. They can also donate to people with blood types A, B, A, or O.
What does phenotype versus genotype mean?Genotype is the distinctive DNA pattern of each individual. The two alleles that person acquired for a single gene are more specifically referred to by this phrase.
How can you recognize a phenotype?The genotype & expressed genes of an individual, as well as visual qualities like eye color, body type, height, and physical characteristics like hair color or type, determine the phenotype. In addition to being influenced by environmental factors, it is genotype-dependent.
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T/F. Gram stains from a sterile body site, such as cerebrospinal fluid (CSF), would typically exhibit more than one morphotype (such as Gram negative rods, Gram positive cocci, and Gram positive rods) in a single smear.
It is false that Gram stains from a sterile body site, such as cerebrospinal fluid (CSF), would typically exhibit more than one morphotype (such as Gram-negative rods, Gram-positive cocci, and Gram-positive rods) in a single smear.
Gram staining of the cerebrospinal fluid (CSF) is a quick, low-cost, and precise method for determining bacterial meningitis etiologic agents. For the CSF Gram stain and culture result, the Children's Hospital Boston microbiology laboratory's final report was utilized. Only when an organism was observed was the CSF Gram stain considered positive. It was determined that CSF samples without organisms were negative. In sterile body fluids like CSF, blood, or joint fluid, only one morphotype is typically anticipated.
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what is the significance of the bloodstain pattern found on the shoulder area of darlie routier's sweatshirt?
what is the significance of the bloodstain pattern found on the shoulder area of darlie routier's sweatshirt?
The significance of the bloodstain pattern found on the shoulder area of Darlie Routier's sweatshirt is that it is an important piece of evidence in determining the sequence of events that occurred during the crime.
Bloodstain pattern analysis is a forensic technique that examines the shape, size, and location of bloodstains in order to infer the positions and movements of the people involved in the crime.If the bloodstain pattern on Darlie Routier's sweatshirt is consistent with her story that she was attacked by an intruder, then the bloodstain patterns would be expected to be consistent with her being in close proximity to the blood source and her having sustained injuries consistent with her story. This would suggest that she was a victim of the crime.On the other hand, if the bloodstain pattern on Darlie Routier's sweatshirt is inconsistent with her story of being attacked by an intruder and instead is consistent with her having inflicted the injuries on herself or her children, this would suggest that she is the perpetrator of the crime.It's important to note that the interpretation of bloodstain patterns is complex and subject to interpretation by experts, and that a single piece of evidence is not enough to conclude the guilt or innocence of a person.
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what could be done to preserve mangrove ecosystem?
Answer:
full answer was provided in below
Explanation:
We must take action to protect mangrove habitats since they are crucial to the wellbeing of our world. Reducing the quantity of pollutants entering the ecosystem is the first step. Reducing the quantity of plastic, chemicals, and other contaminants entering the ecosystem can help achieve this. Reducing the quantity of silt that enters the environment is also crucial. This may be accomplished by minimizing runoff from urban and agricultural regions and by improving soil conservation techniques.
Additionally, it's critical to lessen habitat degradation in mangrove ecosystems. This can be accomplished by establishing protected areas and upholding laws that forbid the eradication of mangrove forests. Additionally, it's critical to lessen overfishing and unsustainable mangrove resource extraction. This can be accomplished by putting in place and upholding stronger fishing restrictions.
Finally, it is important to increase public awareness about the importance of mangrove ecosystems and the need to protect them. This can be done by educating the public about the importance of mangroves and the threats they face, as well as by encouraging people to participate in conservation efforts. Additionally, it is important to support research into mangrove ecosystems and their conservation. This can be done by providing funding for research projects that focus on mangrove conservation and restoration.
8. Ryan deposits $775 in an account that pays 4.24% simple interest for
four years. Brian deposits $775 in an account that pays 4.24% simple
interest for one year.
a. What is Ryan’s interest after the four years?
b. What is Ryan’s balance after four years?
c. How much interest did Ryan’s account earn the first year?
d. How much interest did Ryan’s account earn the fourth year?
e. What is Brian’s interest after the first year?
f. What is Brian’s balance after the first year?
g. Suppose Brian withdraws all of the principal and interest after the first
year and deposits it into another one-year account at the same rate,
What is his interest for the second year? Round to the nearest cent.
h. Compare the interest Brian earns with the interest Ryan earns for
the second year. Who earned more interest? Explain.
Show your work
a. Ryan’s interest after the four years is $131.44.
b. Ryan’s balance after four years will be $906.44
c. The interest Ryan’s account earn the first year is $32.86
d. The interest Ryan’s account earn the fourth year is $131.44
e. Brian’s interest after the first year is $32.86.
f. Brian’s balance after the first year is
How to calculate the interest?From the information, Ryan deposits $775 in an account that pays 4.24% simple interest for
four years. The interest rate will be:
= (775 × 4.24% × 4)
= $131.44
Brian deposits $775 in an account that pays 4.24% simple interest for one year. The interest will be:
= (775 × 4.24% × 1)
= $32.86
Ryan’s balance after four years will be:
= $775 + $131.44
= $906.44
Brian’s balance after the first year will be:
= $775 + $32.86
= $807.86
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Which of the following is the correct sequence of the components in a reflex arc?a. Muscle → Motor neuron → Receptor →Sensory neuron → Spinal cord b. Muscle → Sensory neuron →Spinal cord → Motor neuron → Receptorc. Receptor → Sensory neuron → Spinal cord → Motor neuron → Muscled. Receptor →Motor neuron →Spinal cord → Sensory neuron → Muscle
Receptors → Sensory neuron → Spinal cord → Motor neuron → Muscle is the correct sequence of the components in a reflex arc.
Reflex arc refers to the route a nerve impulse takes during a reflex action.Following is a list of the elements of a reflex arc in the proper order: Receptors → Sensory neuron → Spinal cord → Motor neuron → Muscle.A brain circuit that manages a reflex is called a reflex arc. In vertebrates, the majority of sensory neurons synapse in the spinal cord rather than passing directly into the brain. By turning on spinal motor neurons, quicker reflex responses can be triggered without having to wait for signals to travel to the brain.In order to regulate bladder function in healthy individuals, the spinobulbar reflex arc is essential. A local spinal response that triggers bladder contractions develops after spinal cord injuries when this reflex is interrupted and supraspinal control is lost. The type of bladder dysfunction present can serve as a guidance for where lesions should be located.
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how do microbes help with Organ Development
Because it performs so many important roles in supporting the efficient daily functions of the human body, the microbiome is even referred to as a supporting organ.
A person's microbiota network is completely unique and is first determined by their DNA. By instructing specialized immune cells to produce effective antiviral proteins that ultimately eradicate viral infections, the beneficial gut microorganisms accomplish this.
Furthermore, without these helpful gut bacteria, a person's body won't be able to fight off infections that enter the body as effectively. In actuality, they support healthy digestion, infection defense, and even reproduction. We often concentrate on eliminating harmful bacteria. However, maintaining the excellent ones may be even more crucial.
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Under what conditions might it be beneficial to administer a hypertonic saline solution to a patient: If the patient is overhydrated, then a hypertonic solution could be used to draw the water out of their cells.
If a patient is dehydrated, then a hypertonic saline solution could be used to draw water into their cells.
If a patient suffers from hypovolemia, then a hypertonic saline solution could be used to draw water out of their cells.
If a patient has edema, then a hypertonic saline solution could be used to draw water into their cells.
If the patient is overhydrated, then a hypertonic solution could be used to draw the water out of their cells- it can be advantageous to give a patient a hypertonic saline solution.
Any solution of sodium chloride (NaCl) and water that has a salt content higher than physiological saline (0.9% w/v). When given intravenously, hypertonic saline (HTS) causes a number of physiological changes that are advantageous to cerebral damage, such as:
1) Osmotic and Vaso-regulatory - By encouraging the movement of extra water from damaged brain tissue into the circulation through osmosis and reducing swelling in the vascular endothelium of those tissues, osmosis and Vaso regulation lower vascular resistance and allow for increased blood flow.
2) Neurochemical - By restoring normal electrolyte and neurotransmitter levels in brain cells as well as normal cell volumes, and by counteracting harmful excitatory amino acids through the normalization of neuronal cell membranes.
3) Immunomodulatory- Leukocyte activation and adhesion to damaged neurons are prevented by immunomodulatory agents.
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what may cause a mineral deposit that had not been considered valuable to become highly sought after?
There are several factors that may cause a mineral deposit that had not been considered valuable to become highly sought after. Some of these factors include:
Technological advancements: Advances in technology can make it possible to extract and process minerals that were previously uneconomic. For example, if new technologies make it possible to extract a mineral from a previously unprofitable deposit, it can become highly sought after.
Market demand: Changes in market conditions can increase the demand for a particular mineral. For example, if a mineral is used in new technologies or products, the demand for it may increase, making previously uneconomic deposits viable.
Political or economic instability in a region can cause the prices of certain minerals to rise, making previously uneconomic deposits more attractive.
Exploration and discovery: New discoveries of mineral deposits can also lead to previously uneconomic deposits becoming highly sought after. Exploration companies and geologists are constantly searching for new mineral deposits, and when they find one, it can become highly sought after.
Natural occurrences: Natural occurrences such as natural disaster, geological shifts and changes in the environment can cause a previously uneconomic mineral deposit to become highly sought after.
It's important to note that these are just some examples, other factors may also play a role in the changes in the mineral market.
❗PLEASE HELP❗
Below are properties of the logistic and exponential growth models. For each of the properties, select to which model it relates to:
1.) Carrying capacity (K)
2.) Density-dependent
3.) No Immigration or emigration
4.) r is constant = rmax
5.) r changes, always < rmax
6.) Unlimited resources
Options:
A.) Logistic Growth
B.) Exponential Growth
C.) Both
1.) Carrying capacity (K) - A) Logistic Growth
2.) Density-dependent - A) Logistic Growth
3.) No Immigration or emigration - B) Exponential Growth
4.) r is constant = rmax - B) Exponential Growth
5.) r changes, always < rmax - A) Logistic Growth
6.) Unlimited resources - B) Exponential Growth
Explanation:
The logistic model is based on the concept of carrying capacity, which is the maximum number of individuals that can be supported by a given environment. It also accounts for density-dependent factors that limit population growth as the population reaches the carrying capacity.
Exponential growth models generally assume no limits on resources and no impact from external factors such as immigration or emigration, and assumes that growth rate (r) is constant = rmax, and is independent of the population size.
Exponential model is based on the assumption of unlimited resources and constant growth rate, while the logistic model accounts for the limited resources and density-dependent factors that slow population growth as the population reaches the carrying capacity.
Which of the following statements is true of non-homologous end joining (NHEJ)?
a. it is a double-strand repair pathway
b. it is error-prone
c. it utilizes the sister chromatid as a template for repair
d. it is error-free
e. both A and B
Statements that is true of non-homologous end joining (NHEJ) it is a double-strand repair pathway and it is error-prone.
In general ,Non-homologous end joining (NHEJ) is pathway that helps to repairs double-strand breaks in DNA. NHEJ is referred to as non-homologous as the ends are perfectly ligated and do not need a homologous template, while homology mediated repair(HDR), also requires a homologous sequence for guiding repair process.
Hence, NHEJ-break ends can be ligated without a homologous template, on the other hand HDR-breaks needs a template that guide repair. So , repair of chromosomal DSB through cell will be divided into two categories of repair pathways non-homologous end joining (NHEJ) and homology-directed repair (HDR).
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What is directional viability selection?
Directional viability selection is a type of natural selection that occurs when the environment favors individuals with certain traits that increase their chances of survival.
Directional viability selection is also known as "survival of the fittest", as it focuses on the traits that increase the chances of survival of the individuals in a population, rather than reproduction. directional selection ,For example, in a population of birds, birds with stronger beaks may have an advantage in cracking open harder seeds and survive better, while birds with weaker beaks may have difficulties and have lower chances of survival. Directional viability selection, Over time, this can lead to a shift in the distribution of beak strength within the population, survival with more individuals having stronger beaks.
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Translation happens at the ________.
Select one:
a.
ribosome
b.
golgi body
c.
vacuole
d.
nucleus
Answer: Ribosomes (In the cytoplasm)
what is the thin coating along the inner walls of the stomach called?
The thin coating on the inner walls of the stomach is called as gastric mucosa.
The inside of the stomach is lined with a mucous membrane called the gastric mucosa. Mucous membranes are always covered with a thick layer of mucus secreted by tall columnar epithelial cells. The stomach wall he consists of four layers. The lining (mucosa) consists of millions of microscopic glands that secrete gastric juice. Below that is the supporting layer (submucosa), and below that is the muscle layer. This is responsible for contractions and emptying of the stomach. The stomach secretes water, electrolytes, hydrochloric acid, and glycoproteins such as mucins, intrinsic factors, and enzymes.
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based on these data, would you hypothesize that peptides 1 and 2 act on the same quorum-sensing pathway leading to toxin production or on two different pathways? what is your reasoning
Peptides 1 and 2 function additively because, when taken together, they inhibit toxin release more than either peptide does alone. As a result, you may deduce that peptides 1 and 2 block distinct quorum-sensing mechanisms.
The relationship between culture density and toxin secretion is linear in the range of culture densities investigated. - High-density cultures excrete significant amounts of toxins.
The canonical quorum sensing pathway consists of bacterial populations, signaling molecules and behavioral genes. Signaling molecules known as autoinducers are released into the environment by bacteria and gradually increase in concentration as the bacterial population grows. Fungal growth in crops and agricultural products is a major cause of toxin formation and is associated with toxicant concentrations. Many factors are involved in promoting the production of mycotoxins.
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due to water's unique chemical properties, some small organisms, like water striders, are able to move around on the surface of the water without sinking. if you add soap (a compound that interferes with the hydrogen bonds between water molecules) to water, water striders will sink. why?
Water striders sink in the presence of soap, a substance that disrupts the hydrogen bonds between water molecules.
The cohesion or adhesion of a water strider?The water strider, an insect that depends on surface tension to keep afloat on the surface of water, provides a straightforward illustration of cohesion in action. imagine a water strider bug moving across the water's surface. Due to the water's surface tension, this is conceivable.
Because of the surface tension created by the water's cohesive qualities, some microscopic insects can move over water. Because of the polarity of the water molecule, which attracts other water molecules, water is cohesive, or "sticky."
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what are the possible genotypes of the offspring of a cross between a woman with type ab blood and a man with type o blood? (select all that apply.)
Unbelievably, the most frequent outcome in this situation is possessing a blood type distinct from either genotype. An O parent as well as an AB parent will typically only have A or B children.
The humans ABO genetic locus contains three distinct alleles, for a total of six possible genotypes. The several genotypes that could exist were AA, AO, BB, BO, AB, & OO. But whichever AA or AO describes their genotype. Similar to this, a person with blood type B may have either a BB or a BO genotype. A parent with blood group AB could give his kid or daughter both an A or even a B gene. Blood type B or blood type A (O from the mother and A from the father) could be the blood type of the children of this couple (O from mother and B from father).
(If your father has blood type O, and mother has blood type AB, which of the following blood types are you likely to have?
A)A
B)B
C)Either A or B
D)O)
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What did we notice about all the waves on the electromagnetic spectrum that were harmful to us
please help fast its a quzziz i will gove brainlest anwser
Answer:
We noticed that all the waves on the electromagnetic spectrum that are harmful to us have high energy. This means that they have short wavelengths and high frequencies, which can cause damage to our cells and DNA.
Which Of The Following Is Correct? FIGURE. a. simple columnar b. simple cuboidal c. simple squamos d. transitional
Simple cuboidal cells are made up of a single layer of cube-shaped cells with a large central nucleus. They are found in the lining of organs such as the kidney tubules and airways.
Option B. Simple cuboidalThe Role of Simple Cuboidal Cells in Organ ProtectionThese cells have important functions such as secreting substances, absorbing substances, and providing a barrier to protect organs. They are found in the lining of organs such as the kidney tubules, airways, ovaries, and the thyroid gland. Simple cuboidal cells possess a specific structure that allows for efficient absorption, secretion, and protection of the internal organs and tissues. This type of cell is also found in the skin, where it helps to create a protective barrier against external factors.
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Select True or False: The type of nuclear process illustrated below is called electron capture. 138 62 sm
the statement is True. The type of nuclear process illustrated below is called electron capture. 138 62 sm+0 -1 β→138 61 Pm
An atom's inner orbital electron is absorbed inside the nucleus during the radioactive decay process known as electron capture. This is followed by the transformation of a proton into a neutron and the emission of a neutrino. The emission of Bremsstrahlung, distinctive x-ray emission, gamma rays, and Auger electrons accompany this decay process. Following is a nuclear process that represents electron capture decay: Typically, the parent nucleus's K or L shell is where the electron on the left side of the equation gets absorbed. Notice how the offspring nucleus's atomic number has decreased while its mass number has remained constant. Inverse beta decay is a common name for the degradation pathway, which resembles beta decay.
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What selection is the process of genetic selection in which only the strongest organisms will live to reproduce?
natural selection is the process of genetic selection in which only the strongest organisms will live to reproduce.
Natural selection occurs when beneficial genetic mutations to an individual's survival are passed on through reproduction. As a result, a new generation of organisms is produced that is more likely to survive and reproduce. Giraffes, for example, have evolved long necks that allow them to feed on leaves that other animals cannot, giving them a competitive advantage. Because of a better food supply, those with longer necks were able to reproduce and thus pass on the trait to the next generation. Those with shorter necks and less food would have a lower chance of surviving to pass on their genes.
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Sections of copied DNA created on the lagging strand
Explanation:
Okazaki fragments
The short segments of newly assembled DNA from which the lagging strand is built are called Okazaki fragments. As replication proceeds and nucleotides are added to the sugar end of the Okazaki fragments, they come to meet each other. The whole thing is then stitched together by another enzyme called DNA ligase.
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Which human activity causes the most harmful change in the natural environment? * a. Riding a bicycle. b. Swimming in the beach. c. Using a solar energy. d. Cutting down trees in the forest.
A human activity causes the most harmful change in the natural environment is Cutting down trees in the forest.
The impact of cutting down trees on the environmentcutting down trees indiscriminately has an impact on the environment. The following is an example of the answer key for class 3 theme material regarding the impact of cutting down trees on the environment, namely: The extinction of biodiversity. Animals that use trees as shelter and shelter are also affected.
Forests become deforested.Another impact of cutting trees carelessly is that forests become denuded. Trees that grow in the forest when cut down carelessly will cause the forest to be bare. As a result, the environment becomes increasingly arid, hotter, and loses oxygen supply.
Soil becomes infertileAs a result of cutting down trees carelessly, the soil becomes infertile. This happens because the soil absorbs too much sunlight so the conditions become very dry. The condition is exacerbated when it rains, because the nutrients contained in the soil are carried away by the flow of water.
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The rate with which an action potential travels along an axon _______.- is measured in meters/sec- is called the conduction velocity- is called the conduction velocity and is measured in volts/sec- is measured in volts/sec- is called the conduction velocity and is measured in meters/sec
The rate at which an action potential travels along an axon: is known as the conduction velocity which is measured in meters/sec.
Action potential is defined as the rapid fall and rise of the voltage across the plasma membrane of the neuron. The action potential is generated due to the influx or efflux of ions across the membrane. The action potential is required for transmission of signals across the neuron.
Axon is the slender long projection that emerges out from the nerve cell. It is responsible for carrying signals away from the cell body to another nerve cell. The ending portion of axon is called axon the axon terminal.
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what plane divides the body into equal right and left halves?
The midsagittal plane is an important concept in anatomy and physiology and is used to divide the body into equal right and left halves.
It is also important for medical imaging and can be used to compare the characteristics of organs and structures on the right and left sides of the body. The midsagittal plane is an important concept in anatomy and physiology, since it is used to describe the structure and function of the body. It is used to identify different regions of the body and the organs which are located in each region.
For example, the brain is located in the cranial region, while the heart is located in the thoracic region.
The midsagittal plane is also used to compare the characteristics of organs and structures on the right side of the body with those on the left side. This helps to identify any potential differences in structure or function which could be related to a disorder or disease.
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dominant advantageous alleles may take a long time to reach fixation in a population. why is that? 1 point because homozygous are made more common when there's inbreeding, making heterozygotes underrepresented because dominant alleles are more common than recessive alleles because you only observe dominant advantageous alleles in small populations, and drift counteracts it because the heterozygote is masking the other allele, and selection can't eliminate it easily
Some alleles (including those that are advantageous) may be lost due to genetic drift, whereas others may become fixed or reach 100% frequency.
A reduction in sampling error is to blame for this. Allele frequencies will therefore almost certainly fluctuate with each generation, but as the size of the population grows, the degree of change brought on by sampling error reduces. A new preferred dominant allele will typically spread quickly in the population because even heterozygous people exhibit the "better" phenotypic (produce more surviving offspring). Destructive alleles are inevitably rare once an advantage allele has achieved a high frequency and are therefore largely found in heterozygotes, therefore the final method to fixation occurs more quickly for an advantage recessive allele than for a advantageous dominant gene. Slower than neutral alleles, dominant weakly beneficial alleles reach fixation. We study a traditional Wright-Fisher model with one locus and two alleles. The genotype of the wild-type homozygote.
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