Answer: water
Explanation:
what is the major function of the hormone produced by the cells marked in the thyroid follicle shown in the histology picture?
The thyroid follicles are structures found in the thyroid gland, which is located in the neck.
The cells within the thyroid follicles are responsible for producing and secreting thyroid hormones, primarily thyroxine (T4) and triiodothyronine (T3).Thyroxine (T4) is the main hormone secreted by the thyroid gland. It plays a crucial role in regulating the body's metabolism, growth, and development. T4 is relatively inactive compared to triiodothyronine (T3), which is the more biologically active form of the hormone.Once secreted, T4 is converted into T3 in various tissues throughout the body. T3 acts on almost every cell in the body, influencing processes such as energy production, protein synthesis, and gene expression.Overall, the major function of the hormone produced by the cells in the thyroid follicles is to regulate metabolism and contribute to the proper functioning of various organs and systems in the body.
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Chooe the tatement that bet decribe the Moon' landcape. Pare vegetation, very little eroion, andy oil
riverbed with boulder, dut torm, bad weather
almot flat and featurele with ome rolling hill
powdery oil, crater, mountain, valley
According to the question, there are several craters that were created by volcanic eruptions in Maria.
What triggers erosion?When earth is exposed to high winds, heavy rains, and moving water, soil erosion predominantly takes place. Some anthropogenic impacts, like farming and clearing land, make soil more prone to erosion.
What is the straightforward meaning of erosion?Mud - brick minerals are worn away during erosion, a geology process in which they are moved by wind or water. Buffeting, a related process that does not involve movement, degrades or breaks down rock. A little rock fragment being carried away from a mountainside by the wind as an illustration of erosion.
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The correct question is-
Choose the statement that best describes the Moon's landscape.
A. sparse vegetation, very little erosion, sandy soil
B. riverbeds with boulders, dust storms, bad weather
C. many craters, maria formed from volcanic eruptions
D. almost flat and featureless with some rolling hills
Which would be the least likely to survive? Explain your reasoning.
a) Trisomy 1
b) Trisomy 23
c) Monosomy 23
Monosomy 23 is least likely to survive.
What is Monosomy 23?
A chromosome has an extra copy due to the genetic abnormality known as trisomy. A trisomy patient has 47 chromosomes as opposed to 46. Although trisomy pregnancies frequently end in miscarriage, they can also result in a live birth.
Trisomy problems can't be prevented because they arise spontaneously, and your chance of becoming pregnant with a child who has one rises after the age of 35.
A chromosome has an extra copy when a person has trisomy, a genetic disorder. DNA, a thread-like material that gives you individuality, is carried by structures called chromosomes in the nucleus of cells.
Therefore, Monosomy 23 is least likely to survive.
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choanoflagellates are animal-like protists that do not leave behind fossil evidence. they are considered the most likely ancestors to sponges and all other animals. given this information, when did choanoflagellates likely evolve?
The timing of choanoflagellate evolution is not known with certainty, but based on molecular and genetic evidence, they are thought to have evolved around 800 million years ago during the Mesoproterozoic era.
Based on genetic studies, it is believed that choanoflagellates diverged from the common ancestor of animals around 800 million years ago during the Ediacaran period. This is because they share similar molecular and cellular characteristics with the choanocyte cells found in sponges.
Although there is no direct fossil evidence of choanoflagellates, indirect evidence suggests that they have been present on Earth for a long time. For example, molecular clock analyses of choanoflagellate genes suggest that they may have originated even earlier, in the Cryogenian period about 1 billion years ago.
Therefore, it is likely that choanoflagellates evolved relatively early in Earth's history and have played an important role in the evolution of animals.
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epinephrine, aldosterone, and antidiuretic hormone each cause an increase in blood pressure.
Epinephrine, aldosterone, and antidiuretic hormone increase blood pressure.
Epinephrine, also known as adrenaline, increases blood pressure by constricting blood vessels and increasing the heart rate. It is released by the adrenal glands in response to stress or danger. Aldosterone, a hormone produced by the adrenal glands, increases blood pressure by causing the kidneys to reabsorb sodium, which in turn leads to an increase in fluid volume and blood pressure. Antidiuretic hormone (ADH), also known as vasopressin, increases blood pressure by constricting blood vessels and increasing fluid retention in the body. It is released by the pituitary gland in response to low blood volume or high blood osmolality. Together, these hormones play important roles in regulating blood pressure and maintaining homeostasis in the body.
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which individual is most likely to allow a recessive lethal gene to be kept in a population over several generations? responses homozygous dominant homozygous dominant heterozygous heterozygous homozygous recessive
Individuals who are heterozygous are most likely to allow a recessive lethal gene to be kept in a population over several generations.
A recessive lethal gene is a gene that expresses itself only when it is present in a homozygous state. As a result, heterozygous individuals who possess one copy of the gene do not exhibit any symptoms or defects. An example of a recessive lethal gene is sickle cell anemia. In a population with a high frequency of the sickle cell allele, heterozygotes have a significant evolutionary advantage over homozygotes for either allele. They are not affected by the symptoms of sickle cell anemia and are resistant to the deadly effects of malaria. The following options were given: homozygous dominant, homozygous dominant, heterozygous, heterozygous, and homozygous recessive. As previously mentioned, individuals who are heterozygous are most likely to allow a recessive lethal gene to be kept in a population over several generations. Homozygous dominant individuals will not pass on the recessive gene, whereas homozygous recessive individuals will die before reproducing, eliminating the gene from the population. Therefore, the answer to this question is heterozygous.
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Fit to page ID Page view After viewing the videos, complete this activity. When complete, save, and attach your name. Submit completed pages: 4, 5, & 6. Osmosis lab. List three different structures that are present in plant cells, but not in animal cells. Explain which two plant cell structures can be readily seen in the video and images. Label the image of a cell membrane. See chapter 5 Biology in Focus.' D. F. Jabel the structures of the cell membrane (8, C, D, Fjand areas next to the cell membrane (A, E). B m BIO 101 Lab 05: Osmosis and Diffusion O IN Mule 2. Hards- BIO 101 Lab 05 X * Course Hero ?_chid02c083fc *? chid02e083c- C Get OneDrive/Pictures/Camera%20R/BIO%20101%20Labs.2005,%20Osmosis%20and%20Diffusion.jpeg pdf Fit to page I Page view А0 upload the completed document as a DOC OR PDF Tile in carwas. Elodea Elodea leaves were placed into: 0.9% NaCl, and 10% NaCl, and into distilled water. View the three mares of Elodea leaf cells. Give the tonicity for each image Flaccid Plasmolyzed MA ust the tonicity of solution List the tonicity of solution List the tonicity of solution Below, name the shape of leaf cells for an unknown sample and name the tonicity of the solution Unknown Give the shape leaf cells 1 List the tonicity of solution Describe your observations which lead to your conclusion about the tonicity of unknown solution in which the lodes leaf cells were placed O п fo E + Fit to page I Page view Red blood cells placed into in 0.9% NaCl and 10% NaCl and in distilled water. View the three Images of red blood cells. Give the tonicity for each image Hemolyzed Spherical Crenated List the tonicity of solution List the tonicity of solution List the tonicity of solution Below, name the shape of red blood cells for an unknown sample and name the tonicity of the solution Unknown Name the shape of red blood cells I ust the tonicity of solution Describe your observations which lead to your conclusion about the tonicity of unknown solution in which the red blood cells were placed. Conclusions Write a conclusion about the effect variating tonicity has on the two cell types. Describe the differences you observed comparing plant cells and animal cells placed into the three solutions ORA
Three different structures present in plant cells but not in animal cells are:
Cell Wall: Plant cells have a rigid cell wall composed of cellulose outside the cell membrane, which provides support and protection.
Chloroplasts: Plant cells contain chloroplasts, which are responsible for photosynthesis, the process by which plants convert sunlight into energy.
Large Central Vacuole: Plant cells typically have a large central vacuole that stores water, nutrients, and waste products. Animal cells have smaller and more numerous vacuoles or none at all.
However, in general, plant cell structures that can be readily observed in videos and images include the cell wall and chloroplasts, which often appear green due to the presence of chlorophyll.
However, the cell membrane is typically represented by a double layer of phospholipids with embedded proteins.
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A pathogenic RNA molecule is called a...
capsid
Virion
Virold
prion
when do birds use their teeth????
Answer:
to eat worms
Explanation:
Answer:
Birds do not have teeth, however...Explanation:
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According to The Cornell Lab, "Birds do not have teeth, however, they may have ridges on their bills that help them grip food, but this does not count as teeth. So what about birds that have “tooth” in their name, like Double-toothed Kite? Some birds of prey have a sharp ridge or “tomial tooth” on the bill that they use to bite into their prey when subduing it. But these modifications to the bill surface are not considered the same thing as individualized teeth seen in other animals."
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Hope this helps! <3
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A farmer sprays for pests on the
first of each month. What type of
control is this?
Answer:
not recommended according to IPM
Explanation:
Tadpoles must undergo a major metamorphosis to become frogs. This change includes reabsorption of the tail, growth of limbs, calcification of the skeleton, increase in rhodopsin in the eye, development of lungs, change in hemoglobin structure, and reformation of the gut from the long gut of an herbivore to the short gut of a carnivore. Amazingly, all of these changes are induced by triiodothyronine. What is the most likely explanation for such a wide array of effects of triiodothyronine
Answer:
The most likely explanation is that different body parts have different tissues which in turn have different thyroxine receptors. This leads to different signal transduction pathways.
Explanation:
The triiodothyronine absorption through different tissues lead to different signal transduction pathways.
when humans consume ethanol, the first step in its metabolism is:
When humans consume ethanol, the first step in its metabolism is the conversion of ethanol to acetaldehyde by an enzyme called alcohol dehydrogenase (ADH).
ADH is found in the liver and is responsible for catalyzing the oxidation of ethanol to acetaldehyde, which is a toxic and reactive compound. Acetaldehyde is then rapidly converted to acetate by the enzyme acetaldehyde dehydrogenase (ALDH), which is also found in the liver.
Acetate is a less toxic compound that can be further metabolized into carbon dioxide and water, which can be eliminated from the body through exhalation and urine.
The process of metabolizing ethanol into acetate generates energy and also produces reactive oxygen species, which can contribute to oxidative stress and damage in the body. Prolonged and excessive alcohol consumption can lead to liver damage, as well as other negative health consequences.
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9. A finch population has genetic diversity. Some of the finches have an allele that gives them
longer beaks. Due to pollution, the ecosystem changes and seeds become harder to find. The
finches with long beaks can dig the seeds out more easily than the finches with short beaks.
a) Which type of bird is selected for in the polluted ecosystem?
b) How will the allele frequency change in the finch population?
c) is this an example of natural selection explain
Answer:
A) the finch with the longer beak
B) the allele will continue to become more prominent as the smaller beak birds die off
C) Yes, the birds with the longer beaks will continue to live on because the birds with the smaller beaks can’t find the seeds as easily.
Explanation:
Seeds are harder to find, so finches with larger beaks get selected in a polluted environment. This is a natural selection. If this continues, then the alleles for short beak will vanish.
What is natural selection?
Natural selection is a process in which nature selects an organism that can fit well. If an allele is selected in a population and present for a longer time, then it replaces other alleles in that population. Example: In a population, both short-beaked and long-beaked finches are present.
Due to pollution, long-beaked finches are able to find more seeds than short-beaked finches. Here, nature favors long-beaked finches over short-beaked finches. If this continues for a longer generation, then alleles for the short beak will vanish. Only alleles for long beaks will be in the population.
Hence, long-beaked finches are selected. It is an example of natural selection. The allele frequency of the long beak will increase while decreasing for the short beak.
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michael’s family is building a new house. they would like to use electricity generated by renewable resources. which of these power supplies would help the family accomplish its goal?
Solar power, wind power, geothermal energy, and hydroelectric power are all viable renewable resources that could be used to generate electricity for Michael’s family’s new house.
What is Solar power?Solar power is a form of renewable energy that is generated through the use of photovoltaic cells to convert sunlight into electricity. Solar power is clean, abundant, and cost-effective, and can be used to power homes, businesses, and public infrastructure. Solar energy is a reliable, cost-effective energy source that can help reduce energy costs, reduce pollution, and create jobs. Solar power is becoming increasingly popular as an alternative energy source due to its many benefits.
Solar power would be the most efficient and cost-effective option in most cases. Wind power could be used in areas with high wind speeds, while geothermal energy can be used to heat and cool the home. Lastly, hydroelectric power can be used to generate electricity from the power of moving water. All of these renewable resources are capable of providing clean, renewable energy for Michael’s family’s new home.
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Which animal classification system is most effective?
Answer: Taxonomical Classification
Explanation: It is the "best method of classification". Explanation: This is because, all living organisms are needed to be classified in groups, so as to find out their similarities and their differences.
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a cell in metaphase would have which of the following characteristics? multiple select question. sister chromatids present duplicated chromosomes spindle fibers attached to kinetochores chromosomes aggregated to one pole of the cell chromosomes aligned along the cell equator
A cell in metaphase exhibits several distinct characteristics as part of the cell cycle's progression. In this stage, the primary features you would observe include sister chromatids being present, duplicated chromosomes, and spindle fibers attached to kinetochores, as well as chromosomes aligned along the cell equator.
Sister chromatids are identical copies of a chromosome that are formed through DNA replication during the earlier S phase of the cell cycle. These chromatids remain connected at a region called the centromere. Duplicated chromosomes, which consist of two sister chromatids, are necessary for proper segregation of genetic material during cell division.
Spindle fibers, made of microtubules, play a crucial role in metaphase. They extend from opposite poles of the cell and attach to kinetochores, which are protein structures located at the centromere of each sister chromatid. This attachment ensures the even distribution of chromosomes to the daughter cells during cell division.
Lastly, during metaphase, the chromosomes align along the cell equator, also known as the metaphase plate. This equatorial alignment is essential for accurate and equal separation of the sister chromatids into the two daughter cells in the subsequent anaphase stage of the cell cycle.
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Which of the following methods of radiation dosimetry is most commonly used for patients and personnel?
Malaria, bubonic plague, lyme disease
Thermoluminescence dosimetry (TLD)
NPO 8 hours before the examination
Thermoluminescence Dosimetry (TLD) is the radiation dosimetry technique that is most frequently utilised for patients and staff. TLD uses detectors that were especially created to assess how much radiation an individual has been exposed to.
The stored energy in these detectors, which are primarily constructed of crystalline minerals, is released as light when they are heated after being subjected to radiation. The radiation dosage absorbed is inversely correlated with the intensity of the light that is emitted. TLD is frequently utilised in medical contexts for patient and staff monitoring since it gives precise and trustworthy assessments of radiation exposure. It is a crucial tool for maintaining optimum radiation doses and guaranteeing radiation safety in healthcare settings.
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PLEASR HELP- 24 points!
What front brings the most severe weather?
-Cold Front
-Warm Front
-Stationary Front
Answer:
cold fonts
Explanation:
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4.__________ ____________
is a property of the plasma
membrane that allows it to control what enters and leaves the cell.
Answer: Selective Permeability
in general, a muscle that crosses on the anterior side of a joint produces ________.
Answer: Flexion
Explanation:A muscle that crosses on the anterior side of a joint produces flexion. A muscle that crosses on the posterior side of a joint produces extension.
Answer: Flexion
Explanation:
What factors should be considered when building an animal crossing?
Answer:
Don't Add Every Other Player As A Best Friend. You may be excited to jump on a forum to …
Don't Place Your Buildings Too Close To Each Other. Another huge mistake players make …
During the first few days of the game, you may find yourself with a small amount of
Explanation:
The ____________ of the 1800s built upon racial taxonomies by using scientific methods to demonstrate fundamental differences between humans. Group of answer choices
Answer:
Anthropometric studies
Explanation:
Community one contains 100 individuals distributed among four species (A, B, C, and D). Community two contains 100 individuals distributed among three species (A, B, and C). Which community is more diverse?
Community one: 10A, 5B, 75C, 10D
Community two: 30A, 40B, 30C, 0D
Community one: 24A, 26B, 26C, 24D
Community two: 5A, 50B, 40C, 5D
The protein that serves as an anchor between the outer membrane and peptidoglycan is called
The protein that serves as an anchor between the outer membrane and peptidoglycan is called Braun's lipoprotein. This protein, also known as Lpp, is present in all gram-negative bacteria and serves to anchor the outer membrane to the peptidoglycan layer.
Braun's lipoprotein, also known as Lpp, is a protein that connects the outer membrane of gram-negative bacteria to the peptidoglycan layer.Peptidoglycan is a significant component of bacterial cell walls. It is a macromolecule that is unique to bacteria and is made up of a glycan backbone and peptide side chains. It is a net-like structure that offers support to the bacterial cell wall and plays a crucial role in determining the shape of the cell wall.
Braun's lipoprotein is a protein that serves as a connection between the outer membrane of gram-negative bacteria and the peptidoglycan layer. Peptidoglycan, on the other hand, is a significant component of bacterial cell walls that gives support to the cell wall and determines its shape.
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the function of bile is to group of answer choices emulsify fats neutralize hydrochloric acid enzymatically digest fats enzymatically digest proteins
Emulsifying fats is the function of bile. Here option A is the correct answer.
Bile is a digestive fluid that is produced by the liver and stored in the gallbladder. The primary function of bile is to aid in the digestion and absorption of fats in the small intestine. Bile contains bile salts, which are amphipathic molecules that emulsify fats into smaller droplets, increasing their surface area for the action of digestive enzymes.
The emulsification process carried out by bile salts breaks down large fat globules into smaller droplets, which can be more easily digested by pancreatic lipase, an enzyme that breaks down fats into fatty acids and glycerol. Without bile, the digestion of fats would be significantly impaired, leading to malabsorption of important nutrients such as vitamins A, D, E, and K.
In addition to its role in fat digestion, bile also helps to eliminate waste products from the liver and aids in the absorption of fat-soluble vitamins. Although bile does not directly neutralize hydrochloric acid, it does help to alkalize the acidic chyme that enters the small intestine from the stomach, creating a more optimal pH environment for digestive enzymes to function properly.
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Complete question:
What is the function of bile?
A) Emulsify fats
B) Neutralize hydrochloric acid
C) Enzymatically digest fats
D) Enzymatically digest proteins
which results would indicate that the populations evolve due to drift and which results indicate the alleles are subject to selection?
Answer:
In these cases, genetic drift can result in the loss of rare alleles and decrease the gene pool. Genetic drift can cause a new population to be generally distinct from it's original population, which has led to the hypothesis that genetic drift plays a role in the evolution of new species.
one copy of a gene differs from another by two nucleotides. the first copy codes for blue eyes; the other codes for brown eyes. we call these different forms of a gene: question 1 options: a) alleles. b) homozygotes. c) promoters. d) interferons.
One copy of a gene differs from another by two nucleotides. The first copy codes for blue eyes; the other codes for brown eyes. We call these different forms of genes: alleles. The correct option is A.
In genetics, the word 'allele' refers to an alternative form of a gene that can arise due to mutations or changes in the nucleotide sequence. Each allele of a gene has a unique DNA sequence, and it can produce different versions of a protein that governs a particular trait or characteristic.
For instance, the gene that regulates eye color has two alleles - one for blue eyes and another for brown eyes. Both these alleles differ by only two nucleotides in their DNA sequence. A nucleotide is a building block of DNA, which comprises a sugar, a phosphate group, and a nitrogenous base.
There are four different nitrogenous bases in DNA - Adenine (A), Guanine (G), Thymine (T), and Cytosine (C). The specific sequence of these nucleotides in a gene determines the protein that it encodes and the trait it imparts.
In the case of the eye color gene, the blue-eye allele has two nucleotides that differ from those of the brown-eye allele, resulting in the production of distinct versions of the protein that determine the color of the iris.
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Which process makes a copy of a DNA
molecule?
A. mutation
B. replication
C. transcription
D. translation
Answer:
replication
Explanation:
makes cope of itself during cell division
Type of solution involved in osmosis where the concentration of water is higher on the outside of the cell than on the inside.
What is difference between acid and bases?
Definition. A substance, mostly liquid that donates a proton or accepts an electron pair in reactions. An acid increases the concentration of H+ ions. A base is a substance that releases hydroxide (OH-) ions in aqueous solution, donates electrons and accepts protons.
(just if someone needs this i guess)
Answer:
Acids are sour, gives burning sensation, generally sticky, reacts with metals to produce hydrogen gas. Although bases are opposite as they are bitter, generally odorless (except ammonia), they are slippery; bases react with fats and oils. In phenolphthalein, indicator acids remain colorless, and base gives pink color.
Explanation:
An acid is a substance that releases hydrogen ions into an aqueous solution. A base is a substance that releases hydroxide ions.
Acids are sour, gives burning sensation, generally sticky, reacts with metals to produce hydrogen gas. Although bases are opposite as they are bitter, generally odorless (except ammonia), they are slippery; bases react with fats and oils. In phenolphthalein, indicator acids remain colorless, and base gives pink color.