A cell needs two main components to be able to respond to a hormone. First, the cell must have specific receptors on its surface or within its cytoplasm that can recognize and bind to the hormone.
These receptors are typically proteins. Second, the cell must have signaling pathways or mechanisms that are activated upon hormone binding, leading to a cellular response. These pathways can involve various intracellular signaling molecules and enzymes.
A cell that is able to respond to a hormone is often referred to as a target cell or a hormone-responsive cell.
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Which of the following is an example of human genetic mutation and selection resulting from the Neolithic Revolution? a The permanent "switch-on" of the lactase gene, prevalent in some populations, which allows humans to digest milk beyond weaning from breastmilk. b The grain-induced increased expression of the HMGA2 gene, resulting in a variance of height between modern Greeks (taller) and their foraging ancestors (shorter). c The Y−5 tooth pattern that enables modern humans to chew grains. d The decrease in melanin in some populations living in northern latitudes, resulting in a high frequency of blue or green eyes and blonde or red hair.
The example of human genetic mutation and selection resulting from the Neolithic Revolution is the permanent "switch-on" of the lactase gene, prevalent in some populations, which allows humans to digest milk beyond weaning from breastmilk.
During the Neolithic Revolution, humans transitioned from a nomadic hunter-gatherer lifestyle to settled farming communities. This shift brought about significant changes in human behavior, including the domestication of animals for agriculture. One consequence of this transition was the development of the ability to digest milk in adulthood, known as lactase persistence.
Lactase persistence is the result of a genetic mutation that allows the lactase gene, which produces the enzyme lactase necessary for digesting lactose in milk, to remain active into adulthood. In most mammals, including our ancestors, the lactase gene switches off after weaning, making them lactose intolerant. However, in certain populations that have a long history of dairy farming, such as Europeans, some African and Middle Eastern communities, the lactase gene remains active throughout life.
This genetic mutation and subsequent selection were advantageous in societies that relied on dairy farming, as it provided a valuable source of nutrition and calories. Individuals with the lactase persistence mutation could continue to digest milk and its products, giving them a survival advantage. Over generations, this genetic trait became more prevalent in populations with a history of dairy farming, demonstrating the influence of human genetic mutation and selection resulting from the Neolithic Revolution.
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Which statement is FALSE about epigenetic modifications?
a. The tails of the nucleosome octamer components can be modified with methylation
b. The tails of the nucleosome octamer components can be modified with acetylation
c. Only non-DNA components of chromatin are modified with epigenetic markers
d. Epigenetic modifications control whether a region is euchromatin or heterochromatin
The false statement about epigenetic modifications is:
c. Only non-DNA components of chromatin are modified with epigenetic markers.
Epigenetic modifications refer to changes in gene expression that do not involve changes to the underlying DNA sequence. These modifications can be inherited and can influence how genes are turned on or off in different cells or at different stages of development.
a. The tails of the nucleosome octamer components can be modified with methylation: This statement is true. Methylation of the tails of nucleosome octamer components, which are made up of histone proteins, can affect gene expression by either activating or repressing the associated genes.
b. The tails of the nucleosome octamer components can be modified with acetylation: This statement is also true. Acetylation of histone tails is another type of epigenetic modification that can influence gene expression. Acetylation generally leads to gene activation by relaxing the chromatin structure and allowing transcription factors to access the DNA.
d. Epigenetic modifications control whether a region is euchromatin or heterochromatin: This statement is true. Epigenetic modifications play a crucial role in determining whether a region of DNA is in a euchromatin state, which is more accessible for gene expression, or a heterochromatin state, which is more condensed and less accessible for gene expression.
In summary, the false statement is c. Only non-DNA components of chromatin are modified with epigenetic markers. Epigenetic modifications can occur on both DNA and non-DNA components of chromatin, such as histone proteins. These modifications can have significant impacts on gene expression and are essential for cellular development and function.
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Identify the feature of life that is illustrated by each of the following statements.
NOTE: You may use terms other than the characteristics of life!
1. ________ “That boy shot up five inches in only one year.”
2. _______________________ “Our cat had a litter of kittens yesterday.”
3. _______________________ “My dog has become much less clumsy now that he is a year old.”
4. _______________________ “Eat a good breakfast and you will be able to run longer.”
5. _______________________ “When that car pulled into the driveway, my cat ran to hide under the porch.”
6. __________________ “That owl’s night vision allows it to see the movement of
mice on even the darkest night.”
7. _______________________ “Single-celled organisms live in the pond behind school.”
8. _______________________ Your body normally maintains a temperature of 98.6°F.
9. _______________________ A giraffe uses its long neck to eat from the high branches of a tree.
10. _________ is another name for “living thing.”
The features or characteristics of living things in the statements are:
1. Growth
2. Reproduction
3. Movement
4. Nutrition
5. Movement
7. Habitat
8. Irritability
9. Adaptation
10. Organism
What are the characteristics of life?The characteristics of life are those characteristics living organisms possess.
The characteristics of life include:
MovementRespirationNutritionIrritabilityGrowthExcretionReproductionThese can be seen in the statements below:
1. Growth “That boy shot up five inches in only one year.”
2. Reproduction “Our cat had a litter of kittens yesterday.”
3. Movement “My dog has become much less clumsy now that he is a year old.”
4. Nutrition “Eat a good breakfast and you will be able to run longer.”
5. Movement “When that car pulled into the driveway, my cat ran to hide under the porch.”
6. Irritability “That owl’s night vision allows it to see the movement of
mice on even the darkest night.”
7. Habitat “Single-celled organisms live in the pond behind school.”
8. Irritability Your body normally maintains a temperature of 98.6°F.
9. Adaptation A giraffe uses its long neck to eat from the high branches of a tree.
10. Organism is another name for “living thing.”
In conclusion, the characteristics of living things are those things that living things possess that make them alive.
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The sum of four times the opposite of a number and -5
Answer:
4(-n+(-5))
Explanation:
Answer:
joe mon
Explanation:
gagagagagagagaga
=-=-=-= 20 Points! =-=-=-=
Fill in the Punnett square below, which represents the crossing of two heterozygous dominant people who have hairy hands, but carry the allele for hairless hands. People carrying a recessive allele without displaying the trait are called carriers.
Combining the alleles H and H gives you HH on top left
Combining the alleles H and h gives you Hh on top right
Combining the alleles h and H gives you Hh on bottom left
Combining the alleles h and h gives you hh on bottom right
Genotype ratio HH:Hh:hh=1:2:1
Phenotype ratio hairy:hairless=3:1
Founders effect and bottle neck effect are examples of random chance events that result in
variations in the relative frequency of different genotypes in small populations. These are examples
of
codominance
O mutations
O speciation
O genetic drift
Genetic drift is a stochastic process that acts by changing the allelic frequencies of species over time, founders effect and bottle neck effect are examples of this process.
What is genetic drift?It is a stochastic process that produces a change in the allele frequencies within the population, this means that they increase or decrease by chance.
The main genetic effects of a bottleneck are loss of genetic variability and the founder effect can cause traits to become fixed in a species that, in a larger population, never would.
Therefore, we can conclude that founders and bottleneck effects are one of the clearest causes of genetic drift mechanisms, along with resource limitations in a given environment.
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Assume that Ukraine has a Production Possibility Frontier given by: 120=2 F+3C where F represents units of Food produced by Ukraine, and C represents units of Clothing produced by producing Clothing for Ukraine? a) The opportunity cost of producing 1 unit of Clothing for Ukraine is 0.5 (or 1/2 ) a unit of Food b) The opportunity cost of producing 1 unit of Clothing for Ukraine is 2/3(0.667) units of Food c) The opportunity cost of producing 1 unit of Clothing for Ukraine is 3/2 (1.5) units of Food d) The opportunity cost of producing 1 unit of Clothing for Ukraine is 60 units of Food
The correct answer is (c) The opportunity cost of producing 1 unit of Clothing for Ukraine is 3/2 (1.5) units of Food. The opportunity cost represents the amount of one good that must be sacrificed in order to produce one additional unit of another good.
In this case, the production possibility frontier for Ukraine is given by the equation
120 = 2F + 3C, where F represents units of Food and C represents units of Clothing.
To calculate the opportunity cost of producing 1 unit of Clothing, we need to determine the rate at which Food production must be reduced. By rearranging the equation, we can express the amount of Food produced in terms of Clothing:
F = (120 - 3C)/2.
To find the opportunity cost, we calculate the change in Food production when Clothing production increases by 1 unit:
ΔF/ΔC
Taking the derivative of the Food equation with respect to Clothing, we get
ΔF/ΔC = -3/2.
This means that for each additional unit of Clothing produced, Ukraine must reduce Food production by 3/2 units (1.5 units). Therefore, the correct answer is (c) The opportunity cost of producing 1 unit of Clothing for Ukraine is 3/2 (1.5) units of Food.
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A student examines two bacterical cells, Cell I and cell II. He finds that cell I produces CO₂ and ethyl alcohol during cellular respiration while cell II produces carbon dioxide and water. What conclusions can you draw from his observation?
If a student examines two bacterial cells, Cell I and Cell II, and he finds that cell I produce CO₂ and ethyl alcohol during cellular respiration while cell II produces carbon dioxide and water, then the conclusions are that cell I produce energy by Fermentation, while cell II produce energy by cell respiration.
What is cell respiration?Cell respiration is a process that aerobic organisms use to produce energy, which releases carbon dioxide and water as byproducts of such chemical reactions in the organism.
Therefore, with this data, we can see that cell respiration produces energy and carbon dioxide, whereas fermentation does not produce carbon dioxide.
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plzzz help due in 10 min
Answer:
a. inheritance of natural variations
hope it is helpful to you
Answer:
b. inheritance of acquired characteristics
Explanation:
the flies were able to keep growing normal wings even though each generation before had their wings clipped. the wings being clipped was an acquired characteristic, but since it didn't affect future generations, it disproved the idea that evolution can be affected by acquired characteristics.
Explain how form and function are related in human cells, including examples. Use at least five sentences in your answer. The shape of a cellular structure is related to the function they have perform
Compare and contrast epithelial and muscle tissues. Use at least three sentences in your answer.
Explanation:
Form and function are intimately related in human cells. The shape and structure of cellular components are often specifically designed to carry out their respective functions effectively. For example, red blood cells are disc-shaped with a concave center, which increases their surface area for efficient oxygen and carbon dioxide exchange. Neurons have long, branching extensions called dendrites and axons, allowing them to transmit electrical signals over long distances.
Epithelial tissues are composed of closely packed cells that form protective barriers and linings in the body. They cover external surfaces (such as the skin) and line internal organs and cavities (such as the digestive tract). In contrast, muscle tissues consist of cells that are specialized for contraction and movement. There are three types of muscle tissues: skeletal muscle, responsible for voluntary movements; cardiac muscle, found in the heart; and smooth muscle, which controls involuntary movements in organs like the intestines.
Epithelial tissues primarily function in protection, absorption, and secretion. They have tightly packed cells with minimal extracellular matrix. In contrast, muscle tissues are specialized for contraction and movement. They contain long, elongated cells (muscle fibers) that can generate force. Skeletal muscle is striated and allows for voluntary movements, while cardiac and smooth muscles have different structures and functions specific to their respective roles in the body.
In summary, the relationship between form and function is evident in human cells. Cellular structures are designed with specific shapes and arrangements to perform their functions efficiently. Epithelial tissues provide protective barriers and linings, while muscle tissues enable contraction and movement. Understanding the relationship between form and function helps us appreciate the intricate design of cells and tissues in the human body.
A mutation that results in a change in the codon-reading pattern could result from
A) a base substitution only.
B) a base insertion only.
C) a base deletion only.
D) either a substitution or an insertion of a base.
E) either an insertion or a deletion of a base
A mutation that results in a change in the codon-reading pattern could result from either an insertion or a deletion of a base.
Mutations are changes that occur in DNA sequences, which can be caused by different factors such as errors in DNA replication or exposure to mutagens. In some cases, a mutation can affect the codon-reading pattern, which is the sequence of three nucleotides that specifies an amino acid during protein synthesis. When a base is added or removed from the DNA sequence, the codon-reading pattern can shift, resulting in a different amino acid being incorporated into the protein. This type of mutation is known as a frameshift mutation and can have significant consequences on the structure and function of the resulting protein. Therefore, both base insertions and deletions can result in changes in the codon-reading pattern, leading to altered protein synthesis.
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Explain how in an electrical system like wires going from a plant to a house, there is less electrical energy at the end of the chain (the outlet in the house) compared to at the plant. How does this connect to, contradict or explain the law of conservation of energy which states that energy cannot be created nor destroyed. The answer should be 10-15 sentences long.
Answer:
According to the law of conservation of energy, energy cannot be created or destroyed, although it can be changed from one form to another. KE + PE = constant. A simple example involves a stationary car at the top of a hill.
The law of conservation of energy states that energy can neither be created nor destroyed - only converted from one form of energy to another. This means that a system always has the same amount of energy, unless it's added from the outside. The only way to use energy is to transform energy from one form to another.
Similarly, the law of conservation of energy states that the amount of energy is neither created nor destroyed. ... For example, when you roll a toy car down a ramp and it hits a wall, the energy is transferred from kinetic energy to potential energy.
Explanation:
which types of posttranslational modifications a newly synthesized protein may undergo?addition of amino acidsacetylationproteolysisaddition of hydrophobic groupsphosphorylation
A newly synthesized protein may undergo several types of posttranslational modifications, which can affect its structure, stability, activity, and localization.
One such modification is the addition of amino acids, such as glycosylation or lipidation, which can alter the protein's properties or interactions with other molecules. Another common modification is acetylation, which can occur on lysine residues and regulate protein folding, stability, and localization. Proteolysis is also a common modification, where a protease cleaves the protein into smaller fragments or removes specific amino acid residues to activate or inactivate the protein. Addition of hydrophobic groups, such as fatty acids or isoprenoids, can also anchor the protein to cell membranes or other lipid structures. Finally, phosphorylation, which involves the addition of a phosphate group to specific amino acid residues, can regulate protein activity, interactions, and localization by affecting its conformation or binding partners. Overall, these posttranslational modifications provide a level of complexity and diversity to the proteome and are essential for proper protein function.
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Describe how the shape of the moon has changed over the course of three weeks.
the moon appears as a round ball in the night sky
the moon appears as a sliver in the night sky
The moon has changed its shape from a crescent to a circle.
The moon has changed its shape from a crescent to a half circle.
The moon has changed its shape from a full circle to a crescent.
The moon has changed its shape from a full circle to a three-quarter circle. science
About three weeks after the new moon, the moon will change its shape from a full circle to a crescent.
Why does the moon change shape over the course of a month?The Moon appears to change shape over the course of a month due to its position in relation to the Sun and the Earth. The Moon does not emit its own light; rather, it reflects sunlight.
As the Moon orbits around the Earth, different amounts of sunlight are reflected back to Earth, creating the various phases of the Moon.
When the Moon is positioned between the Earth and the Sun, the side facing the Earth is not illuminated, and this is known as the new moon phase.
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16)
Scientists have changed the DNA of a type of cabbage so that it contains a tiny amount of
poison from a scorpion's tail. The poison in the cabbage kills caterpillars that try to eat it. This
is an example of
A)
gene therapy.
at
B)
selective breeding.
ng
B
C)
genetic engineering.
D)
artificial selection.
Answer:
genetic engineering
Explanation:
genetic engineering
Below is the pedigree of a family with an autosomal recessive disorder. Analyze the pedigree to determine the probability of individual 3 being a carrier. Please write your answer as a probability from 0 to 1.
We can see from the pedigree that person 3 has a child who is affected, hence person 3 must be a carrier of the autosomal recessive disease. A person needs to have one copy of the mutant allele and one copy of the normal allele in order to be a carrier.
What is the pedigree of autosomal recessive disorders?For an individual to be affected by an autosomal recessive disease, both parents must have at least one copy of the disease allele. traits that are autosomal recessive.
How can you tell if a pedigree contains an autosomal recessive trait?Any affected founding daughter who has two unaffected parents indicates that the disease is autosomal recessive. A recessive allele must be inherited from both parents for a person to be impacted.
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Question:
'Below is the pedigree of a family with an autosomal recessive disorder. Analyze the pedigree to determine the probability of individual 3 being a carrier. Please write your answer as a probability from 0 to 1. Number 0.42 12 13 Incorrect; Individual 3 has an affected child which allows you to determine the genotypes of individual 3 and his partner. Consider which genotypes are possible for unaffected parents and what genotype they must have in order to produce an affected child for a trait with autosomal recessive inheritance. Remember to enter your answer as a probability from 0 to 1.'
After you set up a fish tank, you are sure to see algae growing in it. There is plenty of light, fertilizer in the form of fish droppings, and plants or glass for algae to cling to. You may see green strings of algae in the water or green spots growing on the glass. Your whole aquarium can turn green if you don’t stop the algae. To prevent the problem, you can add algae-eating fish or microorganisms to the water. Covering the aquarium for a few days will also kill algae, which need photosynthesis to survive.
Multi-celled algae grow into larger organisms through cell division. For one-celled algae, the purpose of cell division is
.
Answer:
tissue growth and maintenance
Explanation:
Excessive alcohol consumption not only makes you overweight, it can also lead to ammonia poisoning. how is alcohol metabolism linked to increased levels of blood ammonia?
If you have concerns about alcohol consumption or its effects on your health, it is advisable to consult with a medical professional who can provide personalized guidance and support.
Excessive alcohol consumption can indeed have detrimental effects on the body, including the potential for increased blood ammonia levels. Alcohol metabolism involves a process called ethanol oxidation, which primarily occurs in the liver. I'll explain the link between alcohol metabolism and elevated blood ammonia levels.
Ethanol metabolism: When you consume alcohol, it is primarily metabolized in the liver by a series of enzymatic reactions. The primary enzyme involved is alcohol dehydrogenase, which converts ethanol into acetaldehyde. Acetaldehyde is further metabolized by another enzyme called acetaldehyde dehydrogenase, ultimately forming acetate.
Acetate metabolism: Acetate, the end product of alcohol metabolism, can be further broken down into carbon dioxide and water in a process called the tricarboxylic acid cycle (TCA cycle) or citric acid cycle. This process occurs in the mitochondria of liver cells and generates energy for the body.
Competition for enzyme systems: Ethanol metabolism can lead to an increased demand for the enzyme systems involved in the breakdown of acetate. This increased demand may limit the availability of these enzymes for other important metabolic processes, including the breakdown of ammonia.
Impaired ammonia metabolism: Normally, the liver plays a crucial role in ammonia metabolism. It converts ammonia, a toxic waste product generated during protein breakdown, into urea—a less toxic compound that is excreted in urine. However, when alcohol metabolism is prioritized, the liver may have reduced capacity to effectively metabolize ammonia.
Elevated blood ammonia levels: If the liver's ability to metabolize ammonia is compromised due to alcohol metabolism, blood ammonia levels can increase. Elevated ammonia levels in the blood, a condition known as hyperammonemia, can be toxic to the central nervous system and may lead to symptoms such as confusion, drowsiness, and even coma in severe cases.
It's important to note that the link between alcohol metabolism and elevated blood ammonia levels is complex and can vary based on factors such as individual differences in metabolism, overall liver health, and the amount and frequency of alcohol consumption. Nonetheless, excessive and chronic alcohol consumption can contribute to these issues.
If you have concerns about alcohol consumption or its effects on your health, it is advisable to consult with a medical professional who can provide personalized guidance and support.
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Our _____ identity is determined by our height, weight, sex, age, and other corporeal characteristics.a. Physical Abilityb. Age c. Classd. Gender
Our physical identity is determined by our height, weight, sex, age, and other corporeal characteristics.
What is physical identity? Physical identity is determined by one's body structure, body measurements, age, and physical abilities, as well as corporeal characteristics. Physical characteristics that are quantifiable or measurable are referred to as corporeal characteristics.
These characteristics are not limited to height, weight, skin color, hair color, and so on, and they are determined by one's genetics, environment, and lifestyle. Gender is one of the corporeal characteristics that play a significant role in shaping our physical identity.
One's gender determines how they are perceived by society, as well as their access to resources and opportunities. Height, weight, and physical abilities are also significant corporeal characteristics that determine our physical identity.
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What inheritance pattern doe the Rh factor follow? Codominance, Incomplete dominance, Dominant recessive, Polygenic
The Rh factor follows a dominant-recessive inheritance pattern because Rh+ is dominant and Rh- is recessive. Option C.
The Rh factor, also known as the Rhesus factor, is a protein found on the surface of red blood cells. It is determined by a gene called the Rhesus D (RhD) gene. In terms of inheritance, the Rh factor exhibits a dominant-recessive pattern.
The Rh factor has two possible alleles: Rh+ (present) and Rh- (absent). Rh+ is the dominant allele, and Rh- is the recessive allele. If an individual inherits at least one Rh+ allele (Rh+/Rh+ or Rh+/Rh-), they will have the Rh+ blood type. On the other hand, individuals who inherit two Rh- alleles (Rh-/Rh-) will have the Rh- blood type.
When it comes to Rh factor inheritance, a child can have a different Rh status than their parents. For example, if both parents are Rh+ (Rh+/Rh+), their child can still be Rh- (Rh-/Rh-) if they inherit the recessive Rh- allele from both parents. Hence, option C is correct.
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Are you a boy or girl because of Mitosis or Meiosis?
Answer:
boy
Explanation:
You will create a molecular clock model for an arthropod gene. Follow these guidelines to make your model:
Your timeline will span from 90 million years ago to the present. The common ancestor in your model is an arthropod that lived 90 million years ago. The gene that you’ll track codes for a protein in the species’ venom.
The DNA sequence you’ll track contains 10 nitrogen bases. You can choose the order of the bases and where the mutations occur.
This gene mutates at a rate of approximately 0.76 base pairs every 17.1 million years. To build your model, calculate the estimated time period it takes for 1 base pair to mutate.
The first time period will only show the common ancestor. At the beginning of the second time period, three lineages will diverge from the common ancestor, each with a different mutation in their gene sequences.
The first and third descendant species will survive for the rest of the timeline. The second descendant species was extinct 50 million years ago.
Calculate how long it will take for one full base pair mutation to occur. Explain your reasoning by constructing a mathematical equation.
Answer:
The mutations occur at a rate of 0.56 base changes every 1 billion years. If this rate stays consistent, the mutation rate can be used to determine when different lineages of a particular species split
Answer:
It takes about 17.1 Million years for a base pair to mutate at a rate of 0.76 base pairs. To get the time it takes for one full mutation to occur, you must divide 17.1 to 0.76 and multiply it by 1. So, (17.1/0.76)×1=22.5. It would take about 22.5 million years for one full base pair mutation to occur. Having this being said, the first descendant with one base pair mutation would change after 22.5 million years from the common ancestor. For the second descendant, it would take 45 million years as 22.5 time 2 is 45. 5 million years later, the second descendant will become extinct while the first descendant survives. The third descendant will take about 22.5×3= 67.5 million years. Now, the first and third descendants will survive while the second descendant is extinct.
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The rate at which waste are produced by cell depends on what
Which type of limiting factors does the seasonal drought in the Serengeti plains affect? density-independent factors density-dependent factors population-dependent factors population-independent factors
Answer:
Population dependant factors
Explanation:
The main factor behind the seasonal drought is lack of water or rainAs per the propulation increases the requirements of water also increases.Which creates scarcity of water .It also tends to seasonal droughtsAnswer:
population-dependent factors
Explanation:
The type of limiting factors the seasonal drought in the Serengeti Plains which are affected by the seasonal drought is population-density factors.
The drought affects the population who face survival with a lack of water, and depending on the number of people within the population, it raises questions whether the scarce availability of water is enough.
the dna extraction protocol includes the heat inactivation of proteinase k. why is this step necessary? (3 pts)
The step of heat inactivation of proteinase k is necessary so that the DNA samples can be prevented from degradation.
In the DNA extraction protocol, the proteinase k is used at the beginning of the extraction process in order to separate our sample DNA from the entire strand that is not needed.
However, after doing so, the proteinase k has to be immediately inactivated by using heat. This is because proteinase k is an enzyme that degrades DNA by cutting it. Hence, in order for our DNA sample to remain intact and not be cut or degraded, the proteinase k is inactivated by using heat.
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how water molecules orient themselves?
Match each description with whether it relates to epidermis or dermis of the skin.
Connective tissue
Skin pigmentation
basal cells
Blood vessels
Keratinocytes
Elastic and collagen fibers
Sweat glands
Arrector pili muscles
Epidermis or dermis related descriptions and their matches are: Connective tissue -Dermis Skin pigmentation -Epidermis Basal cells -Epidermis, Blood vessels -Dermis, Keratinocytes -Epidermis, Elastic and collagen fibers -Dermis, Sweat glands -Dermis, Arrector pili muscles -Dermis
The skin is an organ with two major layers: the epidermis and the dermis. The epidermis is the top layer of skin, whereas the dermis is the lower layer of skin. These two layers work together to protect the body from external influences and keep it hydrated.
Here are the matches between the descriptions and the layers: Connective tissue - Dermis, Skin pigmentation - Epidermis, Basal cells - Epidermis, Blood vessels - Dermis, Keratinocytes - Epidermis, Elastic and collagen fibers - Dermis, Sweat glands - Dermis, Arrector pili muscles - Dermis.
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EASY QUESTIONS FOR YOU
what is the difference between hypothesis and prediction??
Answer:
Hypothesis - In the sciences, a provisional supposition from which to draw conclusions that shall be in accordance with known facts, and which serves as a starting point for further investigation. Prediction - The action of predicting future events; an instance of this, a prophecy, a forecast.
Do you believe that some people have extrasensory perception (ESP)? Why or why not?
Answer: Many people believe in extra-sensory perception, e.g. the ability to communicate with thoughts, to sense future events or locate radiation with the help of a V-shaped piece of wood. A majority of Americans - 57% - say they believe in psychic phenomena such as ESP (Extra Sensory Perception), telepathy or experiences that can’t be explained by normal means.
Explanation:
smooth and skeletal muscles both contain elongated muscle ______.
Smooth and skeletal muscles both contain elongated muscle reduced stimulation.
What is skeletal muscle called?Skeletal muscle, sometimes referred to as voluntary muscle, is the most abundant of the three types of muscle in animals. Skeletal muscles, which move body parts relative to one another, are joined to bones via tendon tissue. Myopathies are a collective name for illnesses that affect the muscle that attach to your bones.
What has the potential to injure skeletal muscle?Skeletal muscle injuries can be caused by a variety of different conditions, including degenerative diseases like muscular dystrophies, direct trauma like muscle tears and pressure sores, indirect assaults like strains, and more.
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