In a certain population, D is a dominant, wild-type allele of a gene encoding a protein important for cell division, and d is a recessive, loss- of-function allele of that gene. The allele frequencies for this gene in this popoulation are D = .7, d = .3 If mutation is the only force acting on this population from generation to generation, what do you predict will happen to allele frequencies over successive generations?
Answers
The frequency of the d allele will increase over successive generations.
The number of times the allele of interest is observed in a population is divided by the total number of copies of all the alleles at that particular genetic locus in the population to calculate the allele frequency. The frequency of alleles can be expressed as a decimal, a percentage, or a fraction.
The relative genotype frequencies depict the genetic variation distribution in a population. The percentage of all copies of a specific gene in a population that carry a specific allele is known as relative allele frequency. The mechanisms that cause changes in allele frequencies over time are natural selection, genetic drift, and gene flow. When one or more of these forces act in a population, the Hardy-Weinberg assumptions are violated, and evolution occurs.
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Related Questions
Which of the following amino acids are most frequently phosphorylated by protein kinases in the cytoplasm during signal transduction?A) tyrosinesB) glycine and histidineC) serine and threonineD) glycine and glutamic acid
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The amino acids most frequently phosphorylated by protein kinases in the cytoplasm during signal transduction are serine and threonine. So, the correct answer is C) serine and threonine.
Protein kinases frequently phosphorylate amino acids within proteins to control their activity and function during signal transduction in the cytoplasm. Tyrosine phosphorylation does take place and is significant in signalling pathways, however it is not the most frequently phosphorylated target in the cytoplasm by protein kinases.
The most frequently phosphorylated residues by protein kinases during signal transmission are the amino acids serine and threonine. Protein structural changes, enzymatic activity activation or inactivation, protein-protein interactions, and the recruitment of additional signalling molecules can all result from the phosphorylation of serine and threonine residues.
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Amino acids found in the amino acid pool __________.
A. can be used for protein synthesis
B. help to synthesize essential amino acids
C. must come from animal products
D. require protein supplements to maintain their resources
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Amino acids found in the amino acid pool A. can be used for protein synthesis
The amino acid pool refers to the collection of amino acids available within an organism's cells and tissues. These amino acids can be derived from various sources, including dietary protein intake and the breakdown of cellular proteins. The amino acids in the amino acid pool can be utilized for a variety of cellular processes, including protein synthesis.
Option B is incorrect because the amino acid pool does not directly synthesize essential amino acids. Essential amino acids are those that cannot be synthesized by the body and must be obtained through the diet.
Option C is also incorrect because the amino acids in the amino acid pool can come from both plant and animal sources. While animal products tend to be good sources of complete proteins containing all essential amino acids, plant-based sources can also provide individual amino acids that can contribute to the amino acid pool.
Option D is incorrect because the amino acid pool does not require protein supplements to maintain its resources. The body can recycle amino acids from protein breakdown and utilize them as needed. While protein supplements can be used to supplement protein intake, they are not essential for maintaining the amino acid pool.
So, option A is the correct answer.
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Organ system:Put the following in order from smallest to largest:
Cells
Organs
Tissues
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Cells, tissues, organs
Answer:
Cell, Tissue, Organ
Explanation:
______ is/are the primary source(s) of energy for the work that your muscles perfrom.
O enzymes
O DNA
O lipids
ОАТР
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Answer:
O ATPhave a good day
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Someone please help! Due in 10 minutes!
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Answer:
the crust, the mantle and the core.
Explanation:
pls make me brainliest
Answer:
D. inner core C. outer core B. mantle A. crust
Explanation:
HELP HELP PLEASE!!!!!!!
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Explanation:
Issen Sengeki... Messatsu!
The answer is 2.
"Weakness is a disease... I am the cure! When I walk, I walk alone. When I fight, I fight alone. The path of a weak coward is into the bowels of hell! Death is the only destination for life. Better die a free brave man."
- Akuma
what are three structures the cells shown below would have in common ?
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Answer:
they have cytoplasm, DNA, and mitochondria.
Bacteria and archaea that reduce nitrate or sulfate so that they can incorporate the nitrogen or sulfur atom into an organic molecule are performing _________ reduction. By contrast, when nitrate or sulfate are used as terminal electron acceptors, bacteria and archaea are performing _________ reduction.
Answers
Bacteria and archaea that reduce nitrate or sulfate so that they can incorporate the nitrogen or sulfur atom into an organic molecule are performing sulfur reduction. On the other hand, when nitrate or sulfate are used as terminal electron acceptors, bacteria and archaea are performing a nitrate reduction.
What is Anaerobic respiration?Anaerobic respiration is the formation of ATP without oxygen. This method still incorporates the respiratory electron transport chain, but without using oxygen as the terminal electron acceptor. Instead, molecules such as sulfate (SO42-), nitrate (NO3–), or sulfur (S) are used as electron acceptors.
With this information, we can conclude that Nitrate is a better electron acceptor than sulfate
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The gene for a certain syndrome is present on a Y chromosome. A man carries the gene for this syndrome. Which of the following is true about the inheritance pattern of the syndrome? A.) Only his son would have the gene for the syndrome. B.) Only his daughter would have the gene for the syndrome. C.) Both son and daughter would have the gene for the syndrome. D.) Neither son nor daughter would have the gene for the syndrome.
Answers
Answer:
A - Only a Boy Can get a Y Chromosome
Explanation:
MARK AS BRAINLIST
Answer:
A.) Only his son would have the gene for the syndrome.
Explanation:
This is because during sexual reproduction (that is, between humans), the mother and father each donate a sex chromosome. The mother can only donate an X chromosome since her sex chromosomes are entirely X chromosomes, and the father can donate either an X or Y chromosome since his sex chromosomes are X and Y. Thus, because a male has the sex chromosomes X and Y whereas a female has the sex chromosome X and X, the male must donate a Y chromosome for a son to be born; otherwise he donates an X chromosome and the baby is female. As you can see, because the gene is on a Y chromosome and the father carries and passes it (only to a son), only his son would have the gene for the syndrome.
. You are an ecologist collecting data about the declining growth rate of thecritically endangered Philippine eagle. The eagles’ only known population isestimated to have about 350 – 650 individuals. Which of the following can youassume is zero?A. natalityB. mortalityC. immigration
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According to the given data, the population of the critically endangered Philippine eagle is about 350-650 individuals. This means that there is no immigration of the eagle species taking place.
Immigration takes place when a species sets up a home in a habitat because that habitat is suitable for it. In this situation, no immigration is taking place whi the population of species is very low.
Therefore, the correct answer is option c. immigration.
What has the greatest effect on the ability of a substrate yo bind to an enzyme
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a gardener is concerned that her greenhouse is getting too hot from too much light and seeks to shade her plants with colored translucent plastic sheets, the color of which allows passage of only that wavelength. what color should she use to reduce overall light energy but still maximize plant growth? a gardener is concerned that her greenhouse is getting too hot from too much light and seeks to shade her plants with colored translucent plastic sheets, the color of which allows passage of only that wavelength. what color should she use to reduce overall light energy but still maximize plant growth? orange blue green any color will work equally well. request answer
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If she wants to minimize overall light energy while maximizing plant development, she should utilize blue.
How do you refer to light energy?
When an object is heated, electromagnetic radiation is produced, which is a type of kinetic energy connected to electromagnetic radiation. This electromagnetic radiation is known as light energy. both natural sources, such as the sun, and man-made objects, like as lasers and lightbulbs, can be used as the source.
Light system: what is it?
An intelligent promote efficient of devices for controlling lights is referred to as a lighting control system. relays, monitoring devices, photocells, light switch or touchscreen controls, and signals from many other building systems are some examples of these gadgets.
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4. Exercise 3.4. Genetic Testing and Insurance Prices. Suppose the likelihood that a person will get disease X is determined in large part (but not exclusively) by his or her genes. Initially, it Is impossible to determine who carries the gene for the disease, and many people spend $500 on special health insurance to cover the costs of treatment for the disease. Suppose scientists uncover the gene responsible for the disease and develop a simple test for the gene. (Related to Application 3.) a. Suppose the government passes a law that prevents insurance companies from getting the results of a customer's genetic test for X. Will the new price of X insurance be greater that or less than $500 ? b. Suppose insurance companies have access to the results of genetic tests and they require all customers to get the test. How will the insurance company change its price of X insurance?
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The first scenario's price of X insurance will be greater than $500, while the second scenario's price of X insurance depends on the results of the genetic test.
a) If the government passes a law that prevents insurance companies from getting the results of a customer's genetic test for X, the new price of X insurance will be greater than $500.
b) If insurance companies have access to the results of genetic tests and they require all customers to get the test, the insurance company will change its price of X insurance as follows: if the test shows that a customer has the gene, the insurance company will raise the price of insurance to $800 to cover the expected treatment cost of $10,000 (with probability 1). In contrast, if the test shows that a customer does not have the gene, then the insurance company will lower the price of insurance to $100 to cover only administrative costs, assuming there is no risk of developing the disease.
According to these two scenarios, the first scenario's price of X insurance will be greater than $500, while the second scenario's price of X insurance depends on the results of the genetic test.
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a cell has eight chromosomes in g1 of interphase. how many chromosomes will be found in anaphase of mitosis?
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how is a bird eating fruit an example of mutualism
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Answer:
It both benefits the bird by providing sustenance and the plant by possibly spreading seeds through fecal matter.
The cause of genetic drift is sampling error, which occurs:when allele frequencies of a chosen subset of a population are the same as those in the total population, by selection.when allele frequencies of a chosen subset of a population are the same as those in the total population, by chance.when allele frequencies of a chosen subset of a population are different from those in the total population, by chance.when allele frequencies of a chosen subset of a population are different from those in the total population, by selection.
Answers
The cause of genetic drift is sampling error, which occurs when allele frequencies of a sample are different from the population due to random chance. It is a genetic phenomenon.
Genetic drift and allele frequenciesGenetic drift is a sampling error due to differences in allele frequencies of a sample from a population due to random chance.
Genetic drift is known to decrease the level of genetic variation of a given population.
Genetic drift is common in founder populations (e.g., island populations).
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what is the significance of developing leaves before flowers
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Answer:
Since reproduction is so important, the adaptive strategy of pre-leafing flowering is to use those energy stores to produce flowers that provide the seeds. ... Early flowering ensures that the leaves will not block the sunlight from the flower buds. Once the flowers have done their jobs, they fall and leaves appear.
Explanation:
The outer surface of the f0 subunit of atp synthase must be _____ to be embedded in the membrane.
Answers
The outer surface of the f0 subunit of atp synthase must be hydrophobic to be embedded in the membrane.
What is ATP synthase?
Adenosine triphosphate (ATP) is produced by the enzyme ATP synthase during the process of cellular respiration. The primary source of energy used by cells is ATP.
Adenosine diphosphate (ADP) and an inorganic phosphate (Pi) are used by ATP synthase in the process of oxidative phosphorylation, which is the process by which enzymes oxidize nutrients to produce ATP. All life forms contain ATP synthase, which is responsible for all cellular activities.
About 100 ATP molecules can be produced by each ATP synthase every second. Eukaryotes, which include plants, animals, and fungi, have mitochondria, which primarily serve as ATP generators.
Therefore, The outer surface of the f0 subunit of atp synthase must be hydrophobic to be embedded in the membrane.
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monosaccharide profiling of glycoproteins by capillary electrophoresis with contactless conductivity detection
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Monosaccharide profiling of glycoproteins by capillary electrophoresis with contactless conductivity detection is saccharides.
What are saccharides?Saccharides form one of the major constituents of the biological macromolecules in living organisms. Many biological processes including the protein folding, stability, immune response and receptor activation are regulated by glycosylation.
In this work, we optimized a capillary electrophoresis method with the capacitively coupled contactless conductivity detection for separation of eight monosaccharides commonly found in glycoproteins, namely D-glucose, D-galactose, D-mannose, N-acetyl-D-glucosamine, N-acetyl-D-galactosamine, D-fucose, N-acetylneuraminic acid, and D-xylose. A highly alkaline solution of 50 mM sodium hydroxide, 22.5 mM disodium phosphate, and 0.2 mM CTAB (pH 12.4) was used as background electrolyte in a 10 µm id capillary. To achieve baseline separation of all the analytes, a counter-directional pressure of –270 kPa was applied during the separation. The limits of the detection of our method were below 7 µg/ml (i.e., 1.5 pg or 1 mg/g protein) and the limits of quantification were below 22 µg/ml (i.e., 5 pg or 3 mg/g protein). As a proof of the concept of our methodology, we performed an analysis of monosaccharides released from fetuin glycoprotein by acid hydrolysis. The results show that, when combined with an appropriate pre-concentration technique, developed method can be used as a monosaccharide profiling tool in glyco-proteomics and complement the routinely used LC-MS/MS analysis.
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what sociologist outlined six important determinants of collective behavior in his valued-added model? select one: a. neil smelser b. ralph turner c. clark mcphail d. émile durkheim
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Neil Smelser outlined six important determinants of collective behavior in his valued-added model. The correct option is a.
Neil Smelser's valued-added model is a collection of variables that explains the causes of collective behavior. Smelser's goal in creating this model was to integrate the various aspects of collective behavior into a coherent theoretical structure. Smelser's value-added model is a framework for understanding collective behavior, which is defined as any social event that involves a group of individuals who are acting together in an unusual manner to achieve a common goal.
Smelser outlined six determinants that lead to collective behavior. They are:
a. Structural conduciveness - It refers to the structural factors that allow the collective behavior to occur. This could include factors like the size of the group, the geographical proximity of the individuals involved, and the existence of shared values or beliefs.
b. Structural strain - It refers to the pressure that individuals feel when their expectations are not met. This could include factors like poverty, inequality, and discrimination.
c. Generalized belief - It refers to the shared belief among individuals that there is a problem that needs to be addressed. This could include beliefs about injustice, oppression, or other societal problems.
d. Precipitating factors - It refers to the events that trigger the collective behavior. This could include events like the death of a leader or a sudden crisis.
e. Mobilization for action - It refers to the process of organizing individuals to take action. This could include the development of leadership, the creation of a plan of action, or the establishment of a communication network.
f. Social control - It refers to the measures that are taken to limit the behavior of individuals. This could include the use of force or the imposition of legal sanctions.
Neil Smelser outlined six important determinants of collective behavior in his valued-added model.
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Consider the following statement and the diagrams below and answer the questions. *Permanent tissues displaced a variety of shapes and cell wall features that are related to their functions in the plant.
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Option a is parenchyma, option B is collenchyma, and option C is scelerenchyme. All three of these are types of plant tissues that provide structural support and perform various functions in plants.
Parenchyma is one most the common and versatile type of plant tissue that consists of living cells with thin cell walls. Parenchyma cells are generally isodiametric, and they have large central vacuoles. The cells can store nutrients such as starch, proteins, and water, and take part in photosynthesis and gas exchange. Collenchyma cells have an elongated shape, and also providing flexible support and thickened cell wall etc. Sclerenchyma cells provide rigid support to plant organs and help with conductivity too.
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How do male bears fighting over female bears result in an overall better adapted beat population?
Answers
This phenomenon produces a better generation because competition gives rise to a most adapted population with higher fitness.
What is natural selection?Natural selection refers to the differential reproduction of individuals in a population which lead to its evolution across time.
The better-adapted individuals will have more chances to reproduce and therefore they will perpetuate their genes in the offspring (next generation).
In conclusion, this phenomenon produces a better generation because competition gives rise to a most adapted population with higher fitness.
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Some organisms use vitamins as _____________ to be able to live as aerobes.
Answers
Some organisms use vitamins as coenzymes to be able to live as aerobes.
Coenzymes are molecules that help enzymes carry out their functions. In the case of organisms living as aerobes, which require oxygen to survive, vitamins play a crucial role in energy production. For example, vitamin B2 (riboflavin) is an essential component of the electron transport chain, which is responsible for generating ATP, the cell's energy currency, during aerobic respiration.
Similarly, vitamins such as niacin (vitamin B3) and pantothenic acid (vitamin B5) are involved in key metabolic reactions that support aerobic metabolism. By using vitamins as coenzymes, organisms can efficiently carry out aerobic respiration and obtain the energy they need to survive.
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The diagram shows a sequence. Which phrase best describes the sequence of the diagram?
Answers
c the path of energy through a food web in a natural community..
hope you will find it good,..
Based on what you learned in PBS, what are three foods that would be considered good energy sources? Explain your choices. Bean, nuts, and green vegetables are considered good energy sources. They are high in fiber and low on the glycemic index.
Answers
Based on PBS, the three foods that would be considered good energy sources is bean, nuts, and green vegetables, these foods are recommended as they are high in fiber and low on the glycemic index that increase energy levels.
They are perfect for maintaining energy levels throughout the day without any sudden crashes. Basically, the glycemic index is a scale that ranks foods based on the impact they have on blood sugar levels. Foods that are high on the glycemic index are quickly digested and can cause a rapid increase in blood sugar levels followed by a quick crash. Nuts and beans are low on the glycemic index, and they contain healthy fats and protein, which provide long-lasting energy.
Green vegetables such as spinach, kale, and broccoli are high in nutrients such as iron, which is essential for carrying oxygen to the muscles. This makes them a great source of energy as they help maintain healthy blood flow, reduce inflammation and provide natural fuel to the body. In conclusion, incorporating beans, nuts, and green vegetables into your daily diet is an excellent way to increase energy levels. They provide lasting energy without sudden crashes and are nutrient-dense.
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where do we find moss plant
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Langerhans cells are part of the skin's immune defenses and activate other immune cells when the skin is invaded by microbes. Which layer of the epidermis contains Langerhans cells
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Langerhans cells are located in the stratum spinosum layer of the epidermis. They play a crucial role in the skin's immune defenses by detecting and responding to the presence of invading microbes.
The epidermis is the outermost layer of the skin and consists of multiple layers. The stratum spinosum, also known as the spinous layer, is the layer where Langerhans cells are primarily found. Langerhans cells are a specialized type of dendritic cell that resides within this layer. They have long, branching processes that extend between the keratinocytes, which are the main cells of the epidermis.
When the skin is invaded by microbes, Langerhans cells act as sentinels, detecting the presence of pathogens through their pattern recognition receptors. Once activated, Langerhans cells capture and process the antigens from the invading microbes. They then migrate to the nearby lymph nodes, where they present these antigens to T cells, initiating a specific immune response. This immune response helps to eliminate the pathogens and protect the body from infection. In this way, Langerhans cells serve as a crucial link between the skin's immune defenses and the systemic immune system.
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the majority of reduced nad is produced in ____. group of answer choices A) the electron transport chain. B) glycolysis. C) photosynthesis. D) the tca cycle.
Answers
The majority of reduced NAD is produced in the electron transport chain. The correct option is A).
Reduced NAD (NADH) is an important coenzyme involved in energy production in cells. It is produced during cellular respiration, which includes glycolysis, the TCA cycle, and the electron transport chain (ETC). However, the majority of NADH is produced in the ETC, which is the final stage of cellular respiration.
The ETC is where NADH and FADH2 (another coenzyme) donate their electrons to a series of protein complexes, generating a proton gradient that drives the synthesis of ATP. This process is called oxidative phosphorylation. The ETC is responsible for producing around 90% of the ATP generated during cellular respiration. Therefore, the majority of NADH is produced in the ETC, which is why it is the correct answer to the question.
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Part of the dermal tissue that Is made of hard, dead, cork cells is the
Answers
Answer:
Periderm!
Explanation:
Peridermis: It forms the outer bark of roots and stems of a certain age (generally greater than one year). Formed by several layers of dead cells, the most superficial form the suber or cork, with thick walls and full of air.
How much amount of light does the Epipelagic zone get?
Answers
The epipelagic zone is also called the sunlight zone or sunlit zone. It refers to the depth zone that includes all depth of the ocean between the surface at 200 meters below the surface. Because of this, it gets plenty of sunlight where it can sustain the needs of photosynthetic organisms in order for them to survive. This zone is also the home of coral reefs.