The FDA has a purpose to only allow safe medications on the market, as well as to have full information about them before allowing the companies to claim that they are good for some things. The reason for this is to not allow the companies to manipulate with the people and sell them products with claims on them that are not realistic. Also, the people should be protected, and they should only get safe medications that have been tested and proved to be as claimed by the companies in order to help them.
If the FDA is not conducting their own private research before the companies are allowed to claim something about their product, than their will be a lot of manipulation on the pharmaceutical market.
Answer:
A. The FDA is the only organization that can test if health actually improves.
Explanation:
Name four types of cutaneous sensory receptors
Cutaneous receptors are:
• Pacinian corpuscles-These are types of mechanoreceptor (response to mechanical stimuli such as pressure or vibration). They are nerve endings in the skin that are sensitive to vibration and pressure
• Merkel's disc-These are types of mechanoreceptors, nerve endings that are sensitive to mechanical pressure, position, and sustained touch (shapes and edges of objects).
• Ruffini's end organ- These are types of mechanoreceptors slowly adapted that detects skin stretch.
• Meissner's corpuscles- These are types of mechanoreceptors, nerve endings responsible for sensitivity to light touch (changes in texture).
Four main types of cutaneous sensory receptors are free nerve endings, Merkel's disks Ruffini endings and Pacinian corpuscles. They respond to stimuli like pain, temperature, light touch, skin stretch joint activities and vibration respectively.
Explanation:The skin has a variety of specialized sensory receptors, each responding to specific types of stimuli. Four main types of these sensory receptors are: 1. Free nerve endings which are most common and sensitive to painful stimuli, hot and cold temperatures, and light touch. 2. Merkel's disks, found mainly in fingertips and lips, they respond to light touch. 3. Ruffini endings which detect skin stretch joint activity and warmth. 4. Pacinian corpuscles that detect transient pressure and high-frequency vibrations.
These touch-related stimuli receptors play a crucial role in our sense of touch, allowing us to interact with and understand our environment. For example if an insect crawls on your skin, the movement of hair follicles triggers the free nerve endings, alerting you of the presence of the insect.
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Many diabetics are now using insulin that was made by certain bacteria. the ability of these bacteria to produce insulin was most likely the result of
Inserting a portion of human DNA into the ring- shaped DNA of bacteria
Genetic engineering. when u inserting the rDNA into bacteria
The 5′cap on an mRNA is important for which of the processes listed below?
ribosomal interaction
initiation of translation
intron splicing efficiency
initiation of transcription
primer removal
transcription of the mRNA molecule
stability of the mRNA molecule
The correct answers are:
• initiation of translation
During the initiation of translation the small subunit of the ribosome binds to the 5' end of mRNA with the help of initiation factors.
• stability of the mRNA molecule
5’ cap prevents the degradation of mRNA by exonucleases.
• intron splicing efficiency
5’ cap is involved in promotion of 5′ proximal intron excision.
Another function of 5’ cap is the regulation of nuclear export (transport of mRNA from nucleus to cytoplasm).
The 5' cap on mRNA is important for the initiation of translation by helping the mRNA attach to the ribosome and in maintaining the stability of the mRNA molecule, protecting it from degradation.
The 5' cap on an mRNA is a crucial modification that has multiple roles in mRNA processing and translation. Notably, the 5' cap is pivotal for the initiation of translation as it helps in the attachment of mRNA to the ribosome. It also plays a role in ribosomal interaction and significantly aids in the protection and stability of the mRNA molecule within the cytoplasm. While the 5' cap can influence intron splicing efficiency indirectly, its primary functions include protecting the mRNA from degradation and being recognized by factors involved in initiating translation by ribosomes.
Which region of a tRNA molecule binds to amino acids?
a. Anticodon loop
b. Codon loop
c. The 3’ end
d. Variable loop
The correct option is c.
The 3' end of a tRNA molecule binds to amino acids during protein synthesis. Specifically, the CCA tail at this 3' end directly binds the amino acids.
Explanation:The region of a tRNA molecule that binds to amino acids is the 3′ end. tRNA, which stands for transfer RNA, is crucial for protein synthesis in the cell. The amino acids are attached to the 3′ end of the tRNA molecule. While the anticodon loop, codon loop, and the variable loop are all important aspects of the tRNA structure, it's the 3' end, more specifically the CCA tail at this part, that directly binds to the amino acids during translation.
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The 3' end of the acceptor stem on the tRNA molecule is the region where amino acids are attached, distinct from the anticodon loop that pairs with the mRNA codon.
The region of a tRNA molecule that binds to amino acids is known as the 3’ end, specifically on the acceptor stem. While the anticodon loop contains the anticodon, a sequence of three nucleotides that pairs with the mRNA codon, the opposite end of the tRNA, the acceptor stem, is the actual site where the amino acid is covalently attached.
The attachment at the 3’ end ensures that the correct amino acid is added in correspondence with the encoded mRNA message during protein synthesis.
How are breathing retraining techniques similar to relaxation techniques?
a. both involve instructions on breathing control.
b. they are not similar.
c. both teach clients how to reduce control over multiple physiological effects.
d. both involve progressive relaxation of specific muscle groups?
Breathing retraining techniques and relaxation techniques are similar in that they both involve instructions on breathing control and teach individuals to reduce physiological responses to stress, not all processes involve muscle relaxation.
Explanation:Breathing retraining techniques and relaxation techniques are indeed similar in a few ways. The first and probably most essential similarity is that both involve guidance on how to control breathing. Breath control is an integral part of both methods and is used as a tool to achieve relaxation and stress relief.
Apart from breath control, these techniques also teach individuals to achieve control over various physiological effects. For instance, by controlling your breathing, you can lower your heart rate, blood pressure, and other biological responses to stress, thereby promoting relaxation. However, it's important to note that not all relaxation and breathing retraining techniques involve progressive relaxation of specific muscle groups.
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Which of the following leaf types would be the most efficient at absorbing sunlight?A) Small, narrow leavesB) All of these leaf types are equally efficient at absorbing sunlight? C) Needlelike leavesD) Large, broad leaves
D large, broad leaves because larger the leave the larger amount of sunlight it absorbs.
The leaf that is large, broad leaves would be the most efficient at absorbing sunlight. Thus, option D is correct.
What is leaf?Leaf is very important part of plant and it contains chlorophyll due to which the colour of leaf is green. It is a flattened green structure which is grown outwards from the stem of a plant which is vascular.
Leaf is known as basic site of photosynthesis it means the process of photosynthesis occurs in leaf. The main function of leaf is to produce food material for plants which will help plants to get nourished.
There are mainly two types of leaves and these are simple and compound leaves. The simple leaf is one in which single lamina is attached to the stem by the help of petiole and compound leaf is the one in which lamina is divided into leaflets.
Therefore,The leaf that is large, broad leaves would be the most efficient at absorbing sunlight. Thus, option D is correct.
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Does protozoa require a host for reproduction?
Yes
No
Yes, Protozoa and Prions require a host cell for reproduction.
Which organ systems work together to provide oxygen to cells throughout the body?
respitory systym and circulatory system because you need your lungs to breathe and the blood and heart to pump the oxygen into the blood. :))
The two organ systems that work together to provide oxygen to cells throughout the body are the respiratory organ system and the circulatory organ system and both systems work together and circulate blood all over the body.
What is the significance of the respiratory and circulatory systems in the body?Both these respiratory and circulatory systems have high importance in the body, as the respiratory system is responsible for exchanging gases between the body and its surroundings, while the circulatory system is responsible for transporting oxygen, nutrients, and other substances throughout the body, and by doing so, they maintain body homeostasis.
Hence, the two organ systems that work together to provide oxygen to cells throughout the body are the respiratory organ system and the circulatory organ system and both systems work together and circulate blood all over the body.
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What stimulates the secondary oocyte to complete meiosis II?When a sperm cell penetrates the oocyte membraneOvulationA surge of luteinizing hormone (LH)Estrogen production that occurs between puberty and menopause
The correct answer is: When a sperm cell penetrates the oocyte membrane
The oocyte (is arrested at an early stage of the first meiotic division as a primary oocyte. During each menstrual cycle, one the day before ovulation gonadotropin hormone (luteinizing hormone) stimulates completion of meiosis 1. After the meiosis 1, 2 haploid daughter cells are formed: one becomes the secondary oocyte the other forms the first polar body. Newly formed secondary oocyte starts meiosis 2 which arrests at metaphase which will continue after the fertilization.
The completion of meiosis II in the secondary oocyte is stimulated when a sperm cell penetrates the oocyte membrane.
Explanation:The correct answer is when a sperm cell penetrates the oocyte membrane as this event triggers the completion of meiosis II in the secondary oocyte. Meiosis II is the second division in the maturation process of oocytes (egg cells) and is necessary for the formation of a mature egg.
When a sperm cell penetrates the oocyte membrane during fertilization, it triggers a series of biochemical changes in the oocyte, leading to the resumption and completion of meiosis II. This process results in the formation of a mature egg (ovum) with a haploid number of chromosomes, ready for fertilization and embryonic development.
The surge of luteinizing hormone (LH) and estrogen production regulate the ovulation process, but they do not stimulate the completion of meiosis II in the secondary oocyte.
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Swamp sparrows live in a variety of wetland habitats. Unlike most swamp sparrows, which live in freshwater habitats, the coastal-plain subspecies lives in tidal wetlands, where freshwater and seawater mix and the mud is gray rather than brown. Coastal-plain swamp sparrows differ from all other populations of swamp sparrows in having plumage that is gray brown rather than rusty brown. DNA analysis indicates several important genetic differences between swamp sparrows that inhabit tidal marshes and other subspecies of swamp sparrows. Therefore there must have been genetic-selection pressure on swamp sparrows in tidal marshes to become darker and grayer.Select Strengthen for the statement that would, if true, most strengthen the argument, and select Weaken for the statement that would, if true, most weaken the argument. Make only two seletions, one in each column.(A) None of the genetic differences that have been identified in the genomes of coastal-plain swamp sparrows and freshwater swamp sparrows affect plumage color.(B) Mud in tidal marshes tends to be graysih because of the presence of iron sulfide, whereas freshwater mud is browner because of the presence of iron oxide.(C) Some species of birds that live in tidal marshes do not have gray plumage.(D) The diets of both coastal-plain and freshwater swamp sparrows can change significantly from season to season.(E) Baby birds of coastal-plain subspecies and baby birds of a freshwater swamp subspecies, all raised on an identical diet under controlled conditions, grew plumage similar in color to that of their respective parents.
Hello!
Coastal-plain swamp sparrows are gray brown whereas others are rusty brown.
There are a lot of genetic differences between the coastal-plain swamp sparrows and the others.
...
Genetic differences must be the reason of of the difference in color.
The gap is that we do not know whether the difference is caused by internal(i.e. genetics) or external (i.e. climate, food etc.) reasons.
Taking these into consideration
A) weakens the argument, because it clearly states that there is no genetic difference between coastal-plain swamp sparrows and freshwater swamp sparrows that affects plumage color, thus the reason of difference in plumage color should be external (for example food)
E) strengthens the argument, because it shows that under same external conditions(“identical diet and controlled conditions”) the birds grew plumage similar in color to that of their respective parents. This shows that external factors have no affect, thus the reason should be genetic.
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Savannah is a college athlete and she wants to ensure that her diet is not compromising her athletic performance. she has heard that athletes may require more vitamin b-6 than sedentary adults. what sensible nutrition advice would you give savannah regarding vitamin b-6 supplementation?
Vitamin B-6 is an essential vitamin that the body requires for normal brain development and for other several metabolic processes. Vitamin b-6 can be found in foods such as poultry, bananas, meat and fish and it is also available as a supplement, usually in tablet or suspension.
The sensible nutrition advice I would give Savannah regarding vitamin b-6 supplementation is that the intake of high doses of vitamin b-6 supplement should be avoided because it pose a risk for health issues such as nerve damage, loss of muscle control, heartburn and photosensitivity. She can derive enough vitamin b-6 from foods if she does not limit her food intake. Also, excessive intake of the vitamin through food is considered safe and not harmful to the body.
Scientists are researching a large family, many of whose members have Jackson-Weiss Syndrome, a disease that causes bone problems. The scientists noticed that every person with Jackson-Weiss Syndrome had a parent who also had the disease. What is the most likely conclusion that can be made about Jackson-Weiss Syndrome? A. It is not a genetic disease. B. It is a genetic disease caused by a recessive allele. C. It is a genetic disease caused by a dominant allele D. It is a genetic disease caused by a mutation in the child's DNA.
The right answer is C.
A genetic disease is called autosomal dominant transmission when :
* The morbid allele ("sick" version, mutated of the gene in question) is on a non-sexual chromosome (neither X nor Y).
* The presence of a single morbid allele is sufficient for the disease to express itself.
The morbid allele is transmitted by either the father or the mother (or both, if they have the same inherited autosomal dominant genetic disease). Anyone with one of their affected parents is affected.
Jackson-Weiss syndrome is indeed an autosomal dominant disease characterized by a malformation of the feet, craniosynostosis of varying degrees, facial abnormalities, enlargement of the big toes and normal hands.
Different crops use different nutrients in the soil. If the same crop is planted in a field year after year, soon the nutrients the crop needs will be used up. What measure do many farmers take in order to control this issue?
farming is the archaic method of growing food and planting. this helped the man to shift from hunting to more productive ways of getting food. however growing the same crop over and again in the same land causes lack of cultivation. this is due to the lack of nutrients already used by the crops, such as minerals which include potassium, nitrogen, calcium, and phosphorous lessening of which in the soil causes low yield. so, the method used by the farmers is crop rotation. for example cultivating corn after the wheat.
some other ways include the use of fertilizers which also varies in nature and composition like natural and synthetic fertilizers. thirdly, the innovative and technological advancement also ensure better use crop cultivation.
Answer:
By practicing crop rotation
Explanation:
Crop rotation is an agricultural practice in which farmers carry out recurrent succession of crops on the same piece of land in different growing seasons.
Successive crops in a crop rotation regime have different characteristics based on the part of the soil they utilized for their growth.
For example, a crop that utilize nutrients from the surface of soil (surface feeder) may be planted in a season while another plant that utilizes nutrients from the deeper part of the soil (deep feeder) may be planted in its place the following season.
This practice will give ample time for the surface soil nutrient to be replenished before another surface feeding crop is planted.
A sodium atom can react with a chlorine atom and form an ionic bond. Which statement related to their ionic bond must be true?
*Both of the atoms share their electrons.
*Sodium and chlorine bond to form very large structures.
*The bond that is formed is the strongest type of chemical bond.
*One of the atoms donates an electron to the other atom.
One of the atoms donates an electron to the other atom
Answer: Option (d) is the correct answer.
Explanation:
An atom that donates an electron to another atom will lead to the formation of a bond known as ionic bond.
For example, atomic number of sodium is 11 with electronic distribution 2, 8, 1. Atomic number of chlorine is 17 with electronic distribution 2, 8, 7.
So, in order to stabilize both sodium and chlorine, sodium will donate its valence electron to the chlorine atom. This will form an ionic bond between sodium and chlorine.
Thus, we can conclude that the statement one of the atoms donates an electron to the other atom, must be true.
Which of the following options best depicts the flow of information when a gene directs the synthesis of a cellular component?
A) RNA → DNA → RNA → protein
B) DNA → RNA → protein
C) protein → RNA → DNA
D) DNA → tRNA → mRNA → protein
Answer:
B) DNA - RNA - protein
Explanation:
Gene expression is the process by which information from a gene is used in the synthesis of a functional gene product, usually protein. Gene expression include steps such as
• transcription – part of DNA is copied into mRNA via an enzyme RNA polymerase
• RNA splicing – formed mRNA during transcription is not mature so it need to be proceed (e.g. excision of introns). Mature mRNA are then exported from nucleus to cytoplasm
• Translation – mRNA serves as information that codes for the synthesis of one or more proteins.
A radioactively labeled protein is made by cells and followed through the various organelles in the secretory pathway. After six hours, all of the radioactivity is still primarily in the Golgi apparatus. This suggests that theA radioactively labeled protein is made by cells and followed through the various organelles in the secretory pathway. After six hours, all of the radioactivity is still primarily in the Golgi apparatus. This suggests that theprotein was not translated by the ribosomes.protein does not possess a signal peptide for localization within the lumen of the rough endoplasmic reticulum.protein possesses a signal for localization within the Golgi apparatus.all of the above
Answer:
C) protein possesses a signal for localization within the Golgi apparatus.
Explanation:
Protein targeting or sorting is a process by which synthesized proteins are transported to their appropriate localizations in the cell or outside it. Proteins can be targeted to the inner space of an organelle (such as Golgi apparatus or endoplasmic reticulum) or its membrane, plasma membrane, or to exterior of the cell via secretion.
Usually, protein contains signal sequence on the N terminus that is involved in destination targeting.
The walls of the alimentary canal share a common pattern from esophagus to anus. how many tunics (layers) make up the wall?
Four (4) tunics (layers) make up the wall.
The alimentary canal is the tubular passage by which food enters the body and through which food residue is eliminated. The anus, large intestine, small intestine, stomach, esophagus and mouth are all parts of the alimentary canal. The four basic tunics (layers) that constitute the walls of the alimentary canal are the mucosa, submucosa, musclaris externa, and serosa. A specific type of tissue that plays an important role in the breakdown of food can be found in each of the layers.
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Over time, the mushrooms that grow in a certain forest have been overharvested by humans. As a result, the number of mushrooms in the area has decreased dramatically.
How will this most likely affect the environment?
A) Fewer forest trees will become infected with harmful Dutch elm disease.
B) Carbon dioxide levels will decrease since mushrooms release it when they make food.
C) The amount of oxygen released into the air will decline and the forest plant life will eventually die off.
D) Dead plant and animal waste will build up on the forest floor, attracting pesky insects and scavengers.
The answer to your question is: Dead plant and animal waste will build up on the forest floor, attracting pesky insects and scavengers.
Dead plant and animal waste will build up on the forest floor, attracting pesky insects and scavengers, on reducing the number of mushrooms. Therefore, option D is correct.
What are mushrooms?As a fungus, mushrooms are. They belong in a different kingdom from plants and animals. Fungi receive their nutrition differently than plants and animals do. Animals consume their food and then internally digest it, whereas plants often generate their food using the sun's energy (photosynthesis).
Wild mushroom poisoning is a frequent occurrence that can be lethal or only result in a minor digestive upset or allergic reaction. White buttons, morel, porcini, oyster, enoki, and turkey tail are some common types of mushrooms. Some mushrooms are good to it and are nutritious but some are poisonous.
When the number of mushrooms is reduced then the dead plants and animal waste will build up on the forest floor, attracting pesky insects and scavengers. Therefore, option D is correct.
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How do enzymes speed up biochemical reactions?
by the lowering of activation energy if not i'm sorry
cell walls eukaryotic heterotrophic usually multicellular Which characteristic BEST indicates that the organism in question is a fungus, not a plant? A) cell walls B) eukaryotic C) heterotrophic D) usually multicellular
C.) heterotrophic, according to SoCratic
Heterozygote advantage should be most closely linked to which of the following?
A) sexual selectionB) stabilizing selectionC) random selectionD) directional selectionE) disruptive selection
The correct answer is: B) stabilizing selection
Stabilizing selection is a type of natural selection in which the population mean (non-extreme trait value) is favored over extreme values. It favors the intermediate variants such as heterozygous phenotype (more than both homozygous). This is the most common type of selection, because most traits change little over time (not by favoring extreme traits).
Heterozygote advantage, a circumstance where heterozygous individuals have a higher fitness level than homozygous individuals, is most closely linked to stabilizing selection. This selection favors average phenotypes and works against extreme variations, thus reducing genetic diversity. Hence the correct answer is option B)stabilizing selection
Explanation:
The term Heterozygote Advantage refers to a circumstance in which heterozygous individuals (with two different alleles for a particular gene) have a higher fitness level than homozygous individuals (with two identical alleles). It's most closely linked to stabilizing selection (option B).
Stabilizing selection is a selective force that favors average phenotypes and works against extreme variations. In other words, it tends to reduce genetic diversity over time, which is why it is often associated with heterozygote advantage.
For example, with sickle cell anemia, individuals who are heterozygous for the sickle cell trait are less prone to malaria, giving them a higher survival rate in areas where the disease is prevalent. This is an example of heterozygote advantage and stabilizing selection at work.
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Black fur is dominant to white fur in guinea pigs. If two guinea pigs (Bb) are crossed what color and in what percentage What is the probability of the cross resulting in black fur?
I believe that the odds are strong that the off-spring would be 1/4 black, 1/2 black and white, and 1/4 white:
Bb x Bb = ¼ BB (all black); ½ Bb (black and white ) ;¼ bb (all white).
1/4 black, 1/2 black and white, and 1/4 white. Bb x Bb = ¼ BB (all black); ½ Bb (black and white ) ;¼ bb (all white).
What is Monohybrid Cross ?A monohybrid cross is a genetic union between two individuals who have homozygous genotypes, or genotypes with wholly dominant or entirely recessive alleles, which result in opposing phenotypes for a particular genetic trait.
Monohybrid crossings are used by geneticists to examine how the heterozygous genotypes that parents of homozygous individuals pass on to their offspring are expressed in the progeny.
A genetic admixture of two individuals with heterozygous genes is another definition of a monohybrid cross. These crosses show the dominance of an allele.
Therefore, 1/4 black, 1/2 black and white, and 1/4 white. Bb x Bb = ¼ BB (all black); ½ Bb (black and white ) ;¼ bb (all white).
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The hormone insulin and its effect on the body is an example of _[blank]_.
positive feedback
one gland affecting the function of another gland
electrical signals
negative feedback
Answer:
negative feedback
Explanation:
Insulin reduces blood sugars when the levels are high in the blood. The hormone is produced by the pancreas and binds on receptors of cells. This initiates cell signaling mechanisms that signal the cell absorb sugars. When the blood sugars get back to normal, insulin production is reduced.
Answer:
Negative Feedback
Explanation:
The production of hormone named insulin directly into the blood reduces the level of glucose in blood.
This is done when the body senses that there is an excess of glucose in the blood. This is a an example of negative feedback, as insulin lowers the level of blood glucose and store sugar away from muscle and fat.
It helps the other tissues of the body to work efficiently with the help of energy in the form of glucose.
The energy released from which of the following biomolecules is the main source of energy that is stored as ADP is turned into ATP?
A. Carbohydrate
B. Lipid
C. Protein
D. Nucleic Acid
A. Carbohydrate
reason is because it is due to liquid
Why are frameshift mutations likely to be more detrimental than point mutations
POSSIBLE ANSWERS:
* Because they are likely to change more than one amino acid
* Frameshift mutations are likely to change more than one amno acid because different set of codons read, nonsense codon could be introduced causing premature termination
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Which of the following statements about transmembrane proteins is correct?
a. The signal sequences are always cleaved off.
b. They are always inserted with the amino terminus on the lumenal side and the carboxyl terminus in the cytosol.
c. They cross the membrane only once.
d. They usually have one or more α helices spanning the membrane bilayer.
Answer:
The correct option is D.
Explanation:
There are different types of proteins in cells, one of these is integral proteins. Integral protein perform diverse functions in the cells such as transporters, linkers, ion channels, receptors, etc. Trans-membrane proteins are integral proteins, they are a kind of proteins that are permanently attache to the membranes of the cells and they span the entirety of the cells they are attached to.
The properties of trans membrane protein include the following:
1. They typically have one or more alpha helices spanning the membrane layer.
2. They have both hydrophobic and hydrophilic regions.
3. Each of the proteins have 3 distinct domains, which are intracellular, extracelllular and inside the lipid bilayrs.
Can you inherit physical traits that your parents acquired during their lifetime? can you inherit physical traits that your parents acquired during their lifetime? yes no only if it improves survivability only if it improves reproductive success
yes we can inherit the physical traits. like the son of hunter would probably a good hunter, if he his provided with the situations correctly. similarly a daughter of a singer will become a singer too because she will a good voice. it is the survivalist approach as the people tend to follow the same pattern which their forefathers had.
Final answer:
Physical traits acquired by parents during their lifetime, such as muscle built from exercise, are generally not inheritable, as inheritance is determined by genetic traits which are part of an organism's DNA, not acquired characteristics.
Explanation:
Generally, you cannot inherit physical traits that your parents acquired during their lifetime. The reason behind this is that natural selection and other evolutionary forces act on heritable traits that are part of an organism's genetic code, not on characteristics acquired during an individual's lifetime. For instance, if a person builds muscle strength through exercise, this acquired muscular physique is not directly passed to their offspring. However, if a trait, such as the genetic propensity to build muscle efficiently, exists, then that can be inherited. Genetic diversity plays a critical role in evolution, allowing for the propagation of beneficial alleles that aid survival and reproductive success.
Inheritance efficiency is also a crucial factor in reproduction. While an individual may display certain survival characteristics, these are only passed on if they are coded in the genes. An acquired characteristic like improved muscle due to workout does not change the individual's genetic code, thus cannot be passed on directly to the offspring. Consequently, the idea of inheritance of acquired characteristics is not supported by current genetic understanding.
At birth, gordy was found to have a severe thyroid deficiency and was put on thyroid hormone replacement to prevent an intellectual disability resulting from the condition known as
t birth, gordy was found to have a severe thyroid deficiency and was put on thyroid hormone replacement to prevent an intellectual disability resulting from the condition known as
Hypothroidism
Answer:
The correct answer is cretinism.
Explanation:
Cretinism also knew as congenital hypothyroidism refers to an extreme thyroid hormone deficiency in newborns. It leads to stunted growth, impaired neurological function, and physical deformities. The condition may take place because of an issue with the infant's thyroid gland, or due to the lack of iodine in the body of a mother at the time of pregnancy.
A student wants to find the benefit of a certain structural trait in mice. What is the first step the student should follow?
Answer:B
Explanation:
I have no idea
Studies in mice allow mothers to pass traits to their offspring via bacterial DNA. A new study in mice has shown that the DNA of bacteria inhabiting the body can pass traits to offspring in a manner similar to that of the parents themselves.
What is a structural variant in mouse genome?Structural variation is variation in structure of DNA regions affecting DNA sequence length and/or orientation. It generally includes deletions, insertions, copy-number gains, inversions, and transposable elements. Traditionally, the identification of structural variation in genomes has been challenging.
However, with the recent advances in high-throughput DNA sequencing and paired-end mapping (PEM) methods,the ability to identify structural variation and their respective association to human diseases has improved considerably. In this review, we describe our current knowledge of structural variation in the mouse, one of the prime model systems for studying human diseases and mammalian biology.
We further present the evolutionary implications of structural variation on transportable elements. We conclude with future directions on the study of structural variation in mouse genomes that will increase our understanding of molecular architecture and functional consequences of structural variation.
Hence, the student could observe the structural variation in the structural trait in mice.
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Describe the function of the digestive system, including tissues specialties, and differentiate between organs of the alimentary canal and accessory digestive organs.
First of all the main function of the digestive system is to break down the foods we eat and release the nutrients from the nourishment as the esophagus warms and moistens the nutrients, which then helps them absorb into the body.
There are 2 different parts of the digestive system.
The alimentary canal is known as the GI tract and it's purpose is to absorb the nutrients.
The accessory digestive organ helps in the breakdown of food in the digestive system.