The correct answer is (a) gene pool. The gene pool refers to all the genes, including their different alleles, present in the individuals of a particular species or population.
The gene pool represents the total genetic diversity within that population. The gene pool consists of all the genetic material that can be passed on from one generation to the next through sexual reproduction. It includes variations in genes that influence the traits and characteristics of individuals. The gene pool is an essential concept in population genetics as it serves as the basis for understanding genetic variation, inheritance patterns, and evolutionary processes within a population.
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which of these is not an organic waste found in urine?
two organisms mate and have offspring. how would you test to see if the parents were the same species?
It can occasionally be difficult to tell whether two creatures are of the same species, especially for species that are closely related or share morphological traits.
To determine if two creatures belong to the same species, you can use a variety of techniques:
Analyzing morphology Comparing the two creatures' physical attributes, such as their body size, shape, color, and other aspects are known as morphological analysis.Analyzing the DNA sequences of the two organisms is the basis of genetic analysis. If the DNA sequences of the two creatures are noticeably different, it may indicate that they are from distinct species.Reproductive compatibility: To determine whether two creatures are reproductively compatible, one must attempt to mate them and then watch to see whether any live offspring are produced. It indicates that the two organisms are of the same species if the progeny are strong and fruitful.Learn more about DNA sequences here:
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Soluble fiber can help reduce blood cholesterol levels by: Group of answer choices blocking the absorption of bile. binding cholesterol and carrying it out of the body with the feces. converting cholesterol into vitamin D. preventing the production of bile.
Cholesterol can be controlled by ingesting soluble fibers. Option B is correct. Binding cholesterol and carrying it out of the body with the feces.
How do soluble fibers absorb cholesterol?
Once in the intestine, soluble fibers hydrate and form a gel that binds the digestive tract with bile acids necessary to absorb cholesterol and other lipidic compounds.
By binding to the intestine walls, soluble fibers avoid the organism's cholesterol absorption.
Cholesterol is absorbed by this gel and eliminated through the feces.
Soluble fiber fermentation also favors short-chain fatty acids formation, helping to inhibit hepatic cholesterol synthesis.
Option B is correct. Binding cholesterol and carrying it out of the body with the feces.
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What is the longest a tornado has stayed on the ground?
Answer:
3 1/2 hrs
Explanation:
yassssssssssssss
Evolution is defined as a change in allele frequencies in a population over time.How is the relationship between malaria and sickle cell n example of human evolution?
Answer:
Dramatic evolution within human genome may have been caused by malaria parasite. A genetic mutation that protects people from a common form of malaria spread like wildfire in sub-Saharan Africa about 42,000 years ago, according to a new study.
People develop sickle-cell disease, a condition in which the red blood cells are abnormally shaped, if they inherit two faulty copies of the gene for the oxygen-carrying protein haemoglobin. The faulty gene persists because even carrying one copy of it confers some resistance to malaria.05-May-2011
Explanation:
An evolutionary force, called balancing selection, appears to be responsible for maintaining defects in our DNA associated with diseases, such as sickle cell anemia, because the mutation's damaging effects might be offset — in a biological way of thinking — by its potential benefits.
Which is a key concept first discovered about viruses that distinguished them from other microorganisms?
This discovery marked a significant distinction between viruses and other microorganisms, highlighting the unique nature of viruses as acellular entities that depend on host cells for their survival and replication.
One of the key concepts that distinguished viruses from other microorganisms is the fact that viruses are obligate intracellular parasites. This concept was first discovered during the late 19th century and early 20th century by several scientists, including Dmitri Ivanovsky and Martinus Beijerinck.In 1892, Dmitri Ivanovsky, a Russian botanist, was studying the tobacco mosaic disease, which caused discoloration and mottling in tobacco leaves. Ivanovsky hypothesized that the disease might be caused by a bacterium, so he passed the sap from infected tobacco plants through a filter designed to retain bacteria. Surprisingly, even after filtration, the sap retained its infectivity and could still cause the disease. This led Ivanovsky to conclude that the causal agent was not a bacterium, as he had initially suspected, but something smaller that could pass through the filter.Martinus Beijerinck, a Dutch microbiologist, continued Ivanovsky's work and conducted further experiments on the infectious agent causing tobacco mosaic disease. Beijerinck discovered that the infectious agent could replicate only within living host cells and could not grow or reproduce outside of these cells. He named these entities "contagium vivum fluidum" (contagious living fluid), which later became known as viruses. The concept of viruses as obligate intracellular parasites means that viruses require a host cell to replicate and multiply. Unlike bacteria and other microorganisms, viruses lack the cellular machinery necessary for metabolic processes and reproduction. Instead, they rely on the host cell's resources and cellular machinery to reproduce and produce new viral particles.
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true or false? rock appears to be rising to the surface at each side of the sub-oceanuc rift valleys
The rock appears to be rising to the surface at each side of the sub-oceanic rift valleys True.
Many rift valleys are part of “triple junctions,” a form of divergent boundary in which 3 tectonic plates meet at about one hundred twenty° angles. fingers of the triple junction can cut up to form an entire ocean.
Rift valleys shape when tectonic plates beneath the Earth's surface diverge (or circulate far from each other in opposite directions). it's miles important to observe right here that rift valley formation, in contrast to rivers and glacial valleys, is entirely created as a result of tectonic plate motion.
Rift valleys are normally slim and long, some measuring masses of kilometers in duration. Their floors are relatively flat, owing in large elements of volcanic deposition and marine or lacustrine sedimentation. the edges of rift valleys drop steeply away within the shape of steps and terraces.
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Comment on the QOD for the gas law lab: What effect does the limiting reactant mass have on the molargas volume? Hint: This question is asking about MOLAR gas volume, not simply gas volume.
The limiting reactant mass affects the molar gas volume in a chemical reaction according to gas laws. In a reaction, the limiting reactant is the substance that determines the maximum amount of product that can be formed, as it is completely consumed during the reaction.
Explanation:
1. When a reaction takes place, the limiting reactant is consumed first, and the reaction stops once it is fully used up.
2. As the limiting reactant determines the amount of product formed, it directly influences the number of moles of gas produced in the reaction.
3. According to the Ideal Gas Law, PV = nRT, where P is pressure, V is volume, n is the number of moles of gas, R is the gas constant, and T is the temperature. From this equation, it is clear that the number of moles (n) directly affects the volume (V) of the gas.
4. Molar gas volume refers to the volume occupied by one mole of gas under specific conditions of temperature and pressure. Since the limiting reactant determines the number of moles of gas produced, it directly affects the molar gas volume.
In conclusion, the mass of the limiting reactant has a significant effect on the molar gas volume, as it determines the maximum number of moles of gas that can be produced in a chemical reaction.
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The comment on the QOD for the gas law lab is relevant as it emphasizes the importance of understanding the concept of molar gas volume in relation to the limiting reactant mass in the experiment.
What is limiting reactant?Limiting reactant is the reactant that is completely consumed in chemical reaction, limiting the amount of product that can be formed.
Molar gas volume is the volume occupied by one mole of gas at a given temperature and pressure.
Therefore, understanding the effect of limiting reactant mass on the molar gas volume is crucial for accurately interpreting the results of the gas law experiment. It is important to note that molar gas volume is not the same as the volume of the gas itself, as molar gas volume takes into account the amount of gas particles (moles) in given volume.
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. Explain how the polarity of water is a major factor that
controls the rate of infiltration in soils. 300 words
The polarity of water is a major factor that controls the rate of infiltration in soils. This phenomenon is primarily attributed to the unique properties of water molecules and their interactions with soil particles.
Water is a polar molecule, meaning it has a slight positive charge at one end (hydrogen) and a slight negative charge at the other end (oxygen). This polarity arises due to the unequal sharing of electrons between hydrogen and oxygen atoms within the molecule. As a result, water molecules exhibit an electric dipole, with the oxygen side being more electronegative and the hydrogen side being more electropositive.
When water comes into contact with soil particles, which may be composed of minerals or organic matter, the polarity of water plays a crucial role in infiltration. The surface of most soil particles carries a net negative charge (known as a negative surface charge). These charged particles attract the positively charged hydrogen ends of water molecules through electrostatic forces.
This attraction between water molecules and soil particles helps to overcome the force of gravity acting against infiltration. Water molecules bind to the soil particles and create a thin film of water around them. This process is known as adsorption. The adsorbed water molecules create a bridge between soil particles, reducing the friction between them and facilitating further infiltration.
Moreover, the polarity of water also contributes to its cohesive and adhesive properties. Cohesion refers to the tendency of water molecules to stick together, while adhesion refers to the ability of water molecules to adhere to other surfaces. These properties allow water to form continuous columns or chains, enhancing its movement through soil pores and facilitating infiltration.
Additionally, the polarity of water enables it to dissolve various substances. Soil particles often contain ions, organic compounds, and nutrients that are essential for plant growth. Water's ability to dissolve and transport these solutes further aids in nutrient uptake by plants during infiltration.
In summary, the polarity of water is a critical factor influencing the rate of infiltration in soils. Its ability to form hydrogen bonds with soil particles, reduce friction, and facilitate the movement of water through soil pores is essential for efficient water infiltration and nutrient transport in terrestrial ecosystems.
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In Rochin v. California, the Supreme Court ruled that the suspect could not be tried because _____. brainly
In Rochin v. California, the Supreme Court ruled that the suspect could not be tried because the evidence used against him was obtained through a violation of his Fourth Amendment rights, specifically the prohibition against unreasonable searches and seizures.
In the Rochin v. California case, the police forcibly entered the suspect's home without a warrant, and during the search, they physically forced open his mouth and retrieved evidence (capsules believed to contain illegal drugs) by using their fingers. The Supreme Court determined that such actions violated the suspect's right to be free from unreasonable searches and seizures, as protected by the Fourth Amendment of the United States Constitution.
The Court held that the actions of the police were so intrusive and shocking to the conscience that they violated the Due Process Clause of the Fourteenth Amendment as well. As a result, the evidence obtained in violation of the suspect's rights was deemed inadmissible in court, leading to the conclusion that the suspect could not be tried based on that evidence.
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I can be found in plant cells, fungi, bacteria and some protist, but not animals. I provide structure and support for the cells. What am I?
Answer:
Cell wall
Explanation:
Animals have cell membranes while plants have a ridged cell wall :)
Drugs that inhibit the enzyme monoamine oxidase Group of answer choices decrease the activity of serotonin. are associated with heart disease. decompose serotonin. allow increased activity of norepinephrine. decompose norepinephrine.
Drugs that inhibit the enzyme monoamine oxidase decompose norepinephrine.
This is because monoamine oxidase (MAO) is an enzyme that breaks down norepinephrine, serotonin, and dopamine. Therefore, when drugs inhibit the enzyme, it prevents the breakdown of these neurotransmitters, leading to increased levels of norepinephrine and other monoamines in the brain.
This increased level of norepinephrine can lead to a range of side effects including high blood pressure, heart disease, and other cardiovascular issues.
Therefore, MAO inhibitors are typically used as a last resort for patients with depression who have not responded to other treatments because of the potential risks and side effects involved.
The inhibition of MAO can lead to the build-up of tyramine which can increase the risk of a hypertensive crisis which is a medical emergency.
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Which of these best illustrates natural selection? *
The largest organisms in a species receive the only breeding opportunities.
An organism with favorable genetic variations will tend to survive and breed successfully.
A population monopolizes all of the resources in its habitat, forcing other species to migrate.
A community whose members work together utilizes all existing resources and migratory routes.
Answer:
first one is the answer.
20. terry is standing at 63 degrees north latitude. michael is at 12 degrees north
latitude. which one is closer to the equator?
a. michael
b. terry
c. not enough information provided
d. they are the same distance
The equator is at 0 degrees latitude, and Michael is at 12 degrees north latitude, while Terry is at 63 degrees north latitude. Since Michael's latitude is closer to 0 degrees, he is closer to the equator than Terry, the correct answer is A. Michael.
Determine which person is closer to the equator by comparing their latitudes. The equator is located at 0 degrees latitude, so the person with the smaller latitude number will be closer to the equator. In this case, Michael is at 12 degrees north latitude, which is closer to the equator than Terry, who is at 63 degrees north latitude.
Therefore, the answer is A) Michael is closer to the equator than Terry.
Michael is closer to the equator.
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In the nitrogen cycle,which of the following conversions is carried out by nitrifying bacteria?
Answer:
Nitrifying bacteria carry out aerobic biological ammonia (NH3) oxidation to nitrate (NO3−) pls mark me branilest
which of the following statements is true? answer: which of the following statements is true? the process of diffusion can be reversed, but only if a strong force is applied. the process of osmosis can be reversed by altering the pressure gradient. the process of osmosis can occur in the absence of a selectively permeable membrane. the process of diffusion cannot take place without a membrane present.
The statement that is true is that the process of osmosis can be reversed by altering the pressure gradient (option B).
What is osmosis?Osmosis is the net movement of solvent molecules, usually water, from a region of lower solute concentration to a region of higher solute concentration through a partially permeable membrane.
Osmosis cannot occur without the presence of a semi-permeable membrane.
The principle behind osmosis is the concentration gradient i.e. concentration difference between external and internal environment.
However, the osmotic process can be reversed if the pressure gradient is changed or altered because it is the basis of the movement.
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Select the correct statement about the factors that limit the growth of a population.
a. If a factor limits population growth, increasing its availability will increase population growth.
b. The most important factor limiting population growth is the scarcest factor in that area.
c. Density-dependent factors are biotic; density-independent factors are abiotic.
The diagrams below represent two cells. Letter A represents a part of each cell. Which part of the cell is labeled A in both diagrams?
A. cell wall
B. chromosome
C. cytoplasm
D. nucleus
Answer:
The answer would be "C," as all of the organelles are suspended in the cytoplasm of a cell. The cytoplasm is extremely important as it protects genetic material and prevents organelles from colliding.
Answer:The answer is C. The cytoplasm is extremely important as it protects genetic material and prevents organelles from colliding.
Explanation:
Mendel hypothesized that reproductive cells have only one factor for each inherited trait. This hypothesis is supported by which observation? answer choices A. Haploid cells are produced by mitosis. B. Diploid cells are produced by mitosis. C. Haploid cells are produced by meiosis. D. Diploid cells are produced by meiosis.
Answer:
dipliod cells produced meiosis
What is the IMA of the following pulley system? 1 3 4 2
Answer:
Explanation:
IMA Pully system is 3
organisms show slowed growth during the:
spring
summer
autumn
winter
During the spring, microorganisms experience slowed growth due to the decrease in temperature and the increase in precipitation.
Here, correct option is A.
Cold temperatures can inhibit growth, while heavy rainfall can reduce the amount of available nutrients in the environment. During the summer, increased temperatures can cause microorganisms to slow their growth rate due to the lack of available energy for metabolism.
Additionally, the higher temperatures can also cause some microorganisms to become dormant or die. During the autumn, microorganisms may experience slowed growth due to the lower temperatures, which can inhibit the metabolic rate of the microorganisms, as well as the decrease in sunlight, which can reduce the amount of energy available for photosynthesis.
Therefore, correct option is A.
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Todrick company is a merchandiser that reported the following information based on 1,000 units sold:
Todrick Organization is a merchandiser that revealed the accompanying data in light of 1,000 units sold: Deals $ 240,000 Starting product stock $ 16,000 Buys $ 160,000 Actuality stock $ 8,000 Fixed selling cost $.
Merchandisers are liable for all that happens to an item from the second it is conveyed to the store to the second a customer lifts it up off the rack. They screen item appearance and supply in different stores all through their assigned geographic region.
A merchandiser is somebody who is persistently engaged with business advancement by trading products.
A merchandiser is a business that buys a stock and exchanges it with clients for a benefit. Retailers and wholesalers are genuine instances of merchandisers since they ordinarily purchase products from makers to market and offer them to the public customers.
1. Cost of merchandise sold ($20,000 + $200,000 - $7,000) = $213,000
The variable authoritative cost displayed above ($12,000) is registered as follows:
Deals (a) $ 300,000
Commitment edge (b) $ 60,000
Complete variable expenses (a) ‒ (b) $ 240,000
Complete variable expenses (a) $ 240,000
The cost of merchandise sold is $ 213,000
Variable selling cost of 15,000
Cost of merchandise sold in addition to variable selling cost (b) $ 228,000
Variable managerial cost (a) ‒ (b) $12,000
The proper selling cost displayed above ($30,000) is registered as follows:
Commitment edge (a) $ 60,000
Networking pay (b) $ 18,000
Complete fixed costs (a) ‒ (b) $ 42,000
Complete fixed costs (a) $ 42,000
Fixed authoritative cost (b) $ 12,000
Fixed selling cost (a) ‒ (b) $ 30,000
2. Cost of merchandise sold ($20,000 + $200,000 - $7,000) = $213,000
Selling cost ($15,000 + $30,000) = $45,000
Authoritative cost ($12,000 + $12,000) = $24,000
3. The selling cost per unit is $300,000 ÷ 1,000 units sold = $300.
4. The variable expense per unit is $240,000 ÷ 1,000 units sold = $240.
5. The commitment edge per unit is $300 - $240 = $60.
6. The commitment design is more valuable since it puts together costs in light of their expense conduct. The commitment design empowers administrators to rapidly ascertain how variable costs will change in light of changes in unit deals.
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Q- Todrick Company is a merchandiser that reported the following information based on 1,000 units sold:
Sales $ 300,000
Beginning merchandise inventory of $ 16,000
Purchases $ 20,000
Ending merchandise inventory $ 7,000
Fixed selling expense $?
The fixed administrative expense of $ 12,000
Variable selling expense of $ 15,000
Variable administrative expense $?
Contribution margin $ 60,000
Net operating income $ 18,000
Required:
1. Prepare a contribution format income statement.
2. Prepare a traditional format income statement.
3. Calculate the selling price per unit.
4. Calculate the variable cost per unit.
5. Calculate the contribution margin per unit.
6. Which income statement format (traditional format or contribution format) would be more useful to managers in estimating how net operating income will change in response to changes in unit sales?
all the influenza viruses shown in the phylogenetic tree are thought to have arisen in one group of host animals. which group of animals do you think is the original source of the virus, and why?
The group of host animals in which all influenza viruses arose are birds. All viruses isolated in different groups of animals (e.g. pigs, horses, etc) had all their origin in birds (as indicated by the blue lineages).
All influenza viruses originated in the group of host animals known as birds. All viruses discovered in various animal species (such as pigs, horses, etc.) originated in birds (as indicated by the blue lineages).
Flu virus proteins are probably present in the nucleus, host cell membrane, and cytoplasm during an influenza virus infection. The genome type of an animal virus mostly determines the type of life cycle it has. A prophage can be formed by a lambda phage; a retrovirus would be a similar animal virus type. Some hosts manufacture interferons to protect themselves from animal viruses.
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Pedigree worksheet answers
Answer:
Explanation:
my name is aisha
What is the basis of modern classification? class 11 biology
The science of classifying living things is called taxonomy. Linnaeus introduced the classification system that forms the basis of modern classification. Taxa in the Linnaean system include the kingdom phylum class order family genus and species. Linnaeus also developed binomial nomenclature for naming species
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What is produced at convergent plate boundaries?
a. New seafloor
b. Oceans
c. Earthquakes
d. Mountains
Answer:
earthquakes
Explanation: convergent plates move towards each other and collide. so either they create volcanoes or mountains or mostly, earthquakes.
Answer:
Mountains
Explanation:
If two tectonic plates collide, they form a convergent plate boundary. Usually on of the converging plates will move beneath the other, a process known as subduction the new magma (molten rock) rises and may erupt violently to form volcanoes often building arcs of islands along the convergent boundary.
Continents are found in the continental crust. True or false?
Answer:
true (more info below)
Explanation:
The continental crust is a sheet of granite, sedimentary and metamorphic rocks that surround the continents and the shallow seabeds near their coasts, known as the continental shelves. This is less thick than the substance of the mantle of the Planet, which therefore "floats" on top of it.
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how does it make you feel to know you have likely eaten a genetically modified food?
Answer:
Feels kinda weird knowing that we are eating not organic food but modified. Tastes a bit different.
Explanation:
What Macromolecules does the skeletal system require to function properly?
Answer:
The major components of bone tissue at the molecular scale are minerals, water, collagen, and other proteins. At the next level of organization, small crystals of hydroxyapatite made of calcium and phosphate are embedded within collagen fibers to produce a composite (blended) material with high compressive and tensile strength.
The skeletal system protects and supports vital organs, allows our body to move, stores important minerals, and produces blood cells. There are several chemical elements and molecules required to maintain the many functions of the skeletal system. The chemical properties of these components support bone structure and function. On a chemical level, bone is divided into inorganic and organic (carbon-containing) components.
The primary inorganic components of bone are:
calcium, which is required for many functions throughout the body;
phosphorus (in the form of phosphate ions), which is a component of buffer systems and energy-rich molecules; and
water, which contributes to the compressive resistance of bone and contributes to the fluid matrix of bone.
The primary organic components of bone are:
collagen, the major structural protein (type I in bone and type II in cartilage); and
proteoglycans, which are negatively charged glycosylated proteins (glycosylated means having carbohydrate sugar groups modifying the protein).
Bone is approximately 60 to 70 percent inorganic mineral and 10 percent water by weight. The remaining 20 to 30 percent of bone is organic matrix (osteoid), such as collagen and proteoglycans. Your body contains 1 to 2 kilograms of calcium and nearly 600 grams of phosphorous. Nearly 99 percent of the calcium and 86 percent of the phosphorous is stored in your bones.
Inorganic Components of Bone
Calcium ions (Ca2+) are stored in bone tissue, but can be released into the bloodstream when blood levels fall below optimal. Blood calcium is important for muscle contractions, nerve impulses, and blood clotting.
In bone, phosphorous (P) is found in the form of phosphate ions (H2PO4–). Outside of bone, phosphorous plays roles in energy storage (such as in ATP), and is required for the formation of DNA and RNA. Therefore, it is required for cellular growth, maintenance, and tissue repair.
When combined with hydrogen, phosphorous forms dihydrogen phosphate ions (H2PO4–). Dihydrogen phosphate acts as a buffer to maintain a constant pH balance by acting as either a hydrogen ion donor (acid) or a hydrogen ion acceptor (base). In all cells, a constant pH must be maintained to carry out cell functions.
Explanation:
In the chemical equation for photosynthesis, carbon dioxide and water are converted to glucose and oxygen
6CO2 + 6H20 - CH2O +602
Which component could be added to complete this chon
Explanation:
because c how JavaScript help guidev. your house he hasn't gotten help gettingg