The combined genetic information of a population forms a gene pool. What is a gene pool The entire genetic or the genetic makeup present within a population is known as a gene pool. This gene pool consists of all the genes and their different alleles present within a population
The gene pool can also be defined as the sum total of all the genes and alleles present in a particular population or a community to the given question is, "gene pool. This pool of genes is what enables evolution. This is because in evolution, genetic variation is the primary raw material that acts as a driving force. Genetic variation can either be caused by mutations or by genetic recombination. Gene pool acts as a reservoir for all the different genetic traits that can either be dominant, recessive or have intermediate expression.
In addition to The gene pool provides genetic diversity that enables the population to adapt to changes in the environment, or to colonize new habitats with different selective pressures. The gene pool is important because it determines the ability of a population to adapt and evolve to changing environmental conditions.Thus, the gene pool is the source of genetic variation that is essential for the evolutionary process. Without genetic variation, there would be no way for populations to adapt and evolve in response to changes in the environment.
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6. a) What are enzymes?
the endoplasmic reticulum is part of the endomembrane system, which also includes the __________.
The endomembrane system, which is made up of organelles and membranes in eukaryotic cells, functions as a unit to transport, package, and alter lipids and proteins.
The endomembrane system: What is it?
A collection of organelles and membranes in eukaryotic cells called the endomembrane system (endo - Meaning "inside") collaborate to transport, package, and alter lipids and proteins.
The endomembrane system was discovered when?
This endomembrane network was first discovered by Camillo Golgi in the late 1800s when he noticed that a particular stain selectively highlighted only a few inner cell layers. Write down the three components of the endomembrane system. Golgi apparatus, vesicles, and cytoplasm vesicles are the three components of the endomembrane system.
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Who is known as the father of Natural selection?
Answer:
Darwin's theory.
Explanation:
how can small changes make a large impact to help mitigate global warming? what kinds of personal lifestyle changes can be made to reduce the demand for fossil fuels?
Small changes in our daily lives can have a significant impact on mitigating global warming. Some of these changes include reducing energy consumption, increasing the use of renewable energy sources, driving less, eating a plant-based diet, and reducing waste.
Personal lifestyle changes such as reducing energy consumption by turning off lights and electronics when not in use, using energy-efficient appliances, adjusting thermostats, and increasing the use of renewable energy sources can help reduce the demand for fossil fuels.
Driving less by using public transportation, carpooling, biking or walking, adopting a plant-based diet or reducing meat consumption, and reducing waste through recycling, composting, and using reusable bags and containers can also have a positive impact on the environment.
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CHOOSE THE RIGHT ANSWERS FOR 50 POINTS
What caused the Nullification Crisis in 1832?
A. South Carolina’s refusal to pay taxes on goods it did not produce
B. a state’s decision that states could ignore laws not in the Constitution
C. the tariff of 1832 that reduced tariff rates to 35%
D. the belief that the tariff system would bring poverty to the North
E. a biased system that favored the agricultural states
Answer:
A. South Carolina’s refusal to pay taxes on goods it did not produce
B. a state’s decision that states could ignore laws not in the Constitution
Explanation:
A state's decision which states could ignore laws not in the Constitution caused the Nullification Crisis in 1832. Therefore, the correct option is B.
South Carolina's assertion of state power to overturn federal law was deemed unconstitutional, leading to the Nullification Crisis of 1832. South Carolina particularly opposed the tariffs of 1828 and 1832 because they were considered harmful to its economy.
They claimed that if the states felt that federal laws were illegal, they had the right to nullify them within their own borders. The concept of "disempowerment" raised questions about the legitimacy of the federal government and how the states and the federal government should interact.
Therefore, the correct option is B.
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Individual "A" produces 10 offspring, 8 of whom survive to adulthood. Individual "B" (a member of the same population) produces 15 offspring, 7 which survive to adulthood. Based on the concept of natural selection, individual "A" has the higher fitness.a) trueb) false
In natural selection when more offspring is survived is a sign of higher fitness of the particular population, hence given statement is true.
What is natural selection?Most qualities are inherited, there are more children generated than can survive, and offspring with more advantageous features will survive and have more offspring than those with less advantageous traits leading to the inevitable process of natural selection.
Since there are only so many resources available, more creatures are born than can live those who are better at obtaining food.
Mating or evading predators will have a higher chance of thriving, procreating, and passing on their DNA.
Therefore an individual in the population has offspring to survive more in number.
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which of the following biometric authentication systems is considered to be truly unique, suitable for use, and currently cost-effective?
fingerprint recognition
The correct answer is C : Fingerprint recognition Systems for reading fingerprints inspect a finger put against a flat surface. The ridges and valleys on the finger are scanned, and a collection of unique locations.
One of the most well-known and well discussed biometrics is fingerprint identification. Because of their individuality and constancy over time, fingerprints have been used for identification for over a century; more recently, thanks to developments in computing power, they have been automated (i.e., a biometric).
Your prints are distinctive. That implies that no one else in the entire globe has your particular collection of ridges and lines on their fingertips. Even identical twins' fingerprints differ from one another. From the moment of your birth until the moment of your death, your fingerprints remain unchanged.
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Full Question :
Which of the following biometric authentication systems is considered to be truly unique, suitable for use, and currently cost-effective?
A. Biometric
B. Password
C. fingerprint recognition
D. Ticket Granting
a study that looked at the addition of nitrogen, in the form of nitrates and ammonium, to terrestrial north american communities found that all sites increased in primary productivity yet some sites saw a decline in species diversity. what is the most likely explanation of why this decline in species diversity was observed?
The most likely explanation for the decline in species diversity observed in the study is that the addition of nitrogen, in the form of nitrates and ammonium, led to increased primary productivity, favoring certain plant species that can efficiently utilize the added nutrients.
The most likely explanation for the decline in species diversity observed in some sites after the addition of nitrogen (nitrates and ammonium) could be attributed to increased competition among species. Nitrogen fertilization can enhance primary productivity, leading to resource availability and favoring certain fast-growing species over others. This competitive advantage may result in the exclusion or reduced abundance of less competitive species, thereby reducing overall species diversity in those particular sites.
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Why does a chromosome have two sister chromatids? I need help fast!! ⚡️⭐️⚠️
Explanation:
to pass on a complete set of chromosomes to all the daughter cells formed as a result of cell division.
In blood capillaries, blood pressure forces fluid through gaps in the capillary wall in a process called
Explanation:
filtration or capillary filtration
In blood capillaries, blood pressure forces fluid through gaps in the capillary wall in a process called osmosis. The pressure is osmotic pressure.
What is osmosis?Osmosis is a process when the molecules travel from a high concentration to a low concentration region. It is the diffusion of material from a semipermeable membrane.
The blood capillaries are part of the circulatory system of the body. They are of two types, artery, and veins. They circulate blood in the body. Blood pressure is the pressure exerted by the movement of blood on the arteries and veins.
The process of osmosis happens when the fluid is exerted in the blood capillaries through the gaps.
Thus, Osmosis is a phenomenon in blood capillaries where blood pressure pushes fluid through openings in the capillary wall. Osmotic pressure is present.
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.
A molecule that is important for cell functioning cannot diffuse through the plasma membrane, but needs a protein that can open and close to allow the molecule to diffuse. What is this protein called?
Answer:
Channel protein.
Explanation:
Channel protein have gate that opens and close which allow the passage of polar substance or ions to move to permeable membrane of the cell by diffusion. They are water filled and allow the movementof charged molecules inside and outside the cell membrane i.e polar molecules move through non polar bilayer of the cell membrane.
Why isn't it possible for adenine to pair with cytosine
or guanine?
Both bases need to twist hard to facilitate the hydrogen bond which is energetically expensive event; thus hydrogen bonds forming functional groups are not complementary in adenine and cytosine
3. Define “unicellular organism” and “multicellular organism,”
and give two examples of each.
A unicellular organism is a living organism that consists of a single cell. This means that all of the functions necessary for life, including reproduction, metabolism, and responding to the environment, are carried out by a single cell.
Two examples of unicellular organisms are:
1. Bacteria - these are single-celled organisms that are found in many different environments, including soil, water, and the human body. Some bacteria are beneficial, while others can cause disease.
2. Protozoa - these are single-celled organisms that are typically found in aquatic environments. Some protozoa are parasites and can cause diseases like malaria.
In contrast, a multicellular organism is a living organism that is made up of multiple cells that work together to carry out the functions necessary for life. This allows for greater complexity and specialization in different parts of the organism.
Two examples of multicellular organisms are:
1. Humans - humans are complex organisms made up of many different types of cells, including muscle cells, nerve cells, and blood cells. Each type of cell has a specialized function that contributes to the overall functioning of the organism.
2. Trees - trees are also multicellular organisms that are made up of many different types of cells, including those that make up the trunk, branches, and leaves. Each type of cell has a specialized function that helps the tree grow, produce fruit, and carry out other important activities.
a woman sustains a spinal cord injury in a car accident and loses the ability to move her fingers and her hand. the injury most likely damaged which region of her spinal cord? lateral ventral horn lateral dorsal horn medial ventral horn medial dorsal horn lateral column
Answer:
Lateral ventral horn
Explanation:
I know the answer from Quizlet.
The ventral horns contains the cell bodies of motor neurons that send axons via the ventral roots of the spinal nerves to terminate on striated muscles
A liquid and a solid mixed together. What does NOT indicate that a
chemical change has taken place?
can anyone give me the answer to this full worksheet? (i have more pics, but it's not letting put more on my phone).
Red: Yellow's imperfect supremacy creates orange; it is dominant to green and white. Yellow: red's imperfect dominance creates orange, while green and white have the upper hand.
What constitutes the gummy bear experiment's control group?The gummy bears immersed in ordinary water served as the control group. Clean Water: depended-on variable: If the gummy bear is submerged in clean water, the water will remain outside of the bear and have no impact on it.
It is an illustration of a chemical transition because new compounds were created.
The many ways that qualities are handed down from one generation to the next are referred to as inheritance patterns. There are three types of inheritance: X-linked, autosomal dominant, and autosomal recessive.
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please it's my last question Between which points would the phase change of freezing occur?
Answer: Freezing, or solidification, is a phase transition in which a liquid turns into a solid when its temperature is lowered to or below its freezing point. All known liquids, except helium, freeze when the temperature is low enough.
Biotechnology can have advantages and disadvantages. Which would be considered a disadvantage of cloning?
A) Individual organisms with desirable traits can be duplicated.
B) Traits of clones can be predicted in advance.
С) Many organisms with desirable traits can be produced
D) Cloning reduces genetic variation
Answer:
B
Explanation:
how many different kinds of genotypes are possible among offspring produced by the following two parents? assume complete dominance and independent assortment. ffgghh x ffgghh
The offspring produced by the two parents with genotypes ffgghh and ffgghh can have a total of 64 different genotypes.
To determine the number of different genotypes, we need to consider the independent assortment of alleles and the concept of complete dominance.
The parents have genotypes ffgghh and ffgghh. Each letter represents an allele at a specific gene locus, and lowercase letters indicate that they are recessive alleles. The uppercase letters represent dominant alleles.
For each parent, there are three gene loci with two alleles each, resulting in 2^3 = 8 possible genotypes. When we cross the two parents, we can consider each gene locus independently.
At each gene locus, the dominant allele will be expressed, and the recessive allele will be masked. Since both parents have the same genotype at each locus, all offspring will have the same dominant alleles.
Therefore, we don't need to consider the dominant alleles while calculating the number of genotypes.
For each gene locus, the offspring can inherit either the recessive allele from the first parent or the recessive allele from the second parent. With three independent gene loci, we have 2^3 = 8 possible combinations for the recessive alleles.
By multiplying the number of possible recessive allele combinations for each gene locus, we get the total number of different genotypes: 2^3 * 2^3 * 2^3 = 8 * 8 * 8 = 64.
Therefore, the offspring produced by the two parents can have a total of 64 different genotypes.
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How do scientists plan to use copy number variants and identical twins to determine the roots of diseases? In your response, use the words: gene
Identical genes have the same genetic material and the same genes. So if they both have a disease it's likely that it's genetic.
Scientists plan to use copy number variants (CNVs) and identical twins to determine the genetic differences between them and the cause of genetic disease as CNVs are variations in the copies of a gene in an individual's genome.
What is the significance of copy number variants?Scientists use copy number variants (CNVs) to study the genetic diseases in twins and CNVs are variations in the copies of a gene in an individual's genome, but in identical twins, they have the same genetic makeup. By analyzing the CNVs in twins, scientists can identify the genes that may be involved in the disease and how they contribute to its development.
Hence, scientists plan to use copy number variants (CNVs) and identical twins to determine the genetic differences between them and the cause of genetic disease as CNVs are variations in the copies of a gene in an individual's genome.
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Devil facial tumor disease (DFTD) is a disease that is decimating the population of Tasmanian devils. The disease passes from one animal to another through bites and is caused by parasites. The parasites cause cancerous tumors that spread throughout an infected animal's body and kill it. What is the BEST description of DFTD?
a non-infectious, chronic disease
a non-infectious, cell-cycle disease
an infectious, cell-cycle disease
an infectious, chronic disease
The Devil facial tumor disease (DFTD) is an infectious, cell-cycle disease
Diseases are abnormal conditions that negatively affects the structure and function of all or parts of a living organism and which is not usually caused by an immediate injury.
Diseases can be infectious or non-infectious based on their mode of transmission.
Infectious diseases can be transmitted from one infected organism to another whereas, non-infectious diseases are not transmitted from one infected organism to another.
Disease can also be chronic or acute based on the nature and duration.
Acute diseases occur suddenly and produce rapidly developing symptoms which do not last for long
Chronic diseases on the other hand takes a longer time to develop and its symptoms worsen with time.
Cell-cycle diseases are diseases caused by unregulated cycles of cells involving cell growth and cell death. Cancer is the most common disease caused by unregulated cell growth.
The Devil facial tumor disease (DFTD) is an infectious disease since it passes from one animal to another through bites and is caused by parasites.
It is also a cell-cycle disease since the parasites cause cancerous tumors that spread throughout an infected animal's body and kill it.
therefore, the Devil facial tumor disease (DFTD) is an infectious, cell-cycle disease
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name the enzyme that catalyzes the addition of methyl groups to the cytosines on dna.
Answer:
the methyltransferase catalyzes the addition of a methyl group onto the 5' position of cytosine through a complex, multi-step process.
Explanation:
From a classification standpoint, which of these organisms shares the LEAST similarities with humans?
A. Prosimians
B. Birds
C. Fish
D. Insects
Answer:
a
Explanation:
Explanation:
Not prosimians , correct result plis
How can farmers personally test their pigs' DNA?
Answer:
using pig hair
Explanation:
because they take the pig hair off
DNA test is a genetic test. It identifies the genes, chromosomes in an individual. Farmers can use any cell of the pig to test the genetic content of an individual.
What is DNA test?A DNA test is a medical test which can identify the mutations present in the genes, chromosomes or proteins. These mutations can indicate if an organism has a genetic condition. DNA tests can help in identifying the risk for developing a certain condition or passing on a genetic disorder.
Farmers can contact the nearest DNA companies or forensic laboratories in their area and usually the companies send a sample DNA kit for the farmers to collect sample themselves and then send them back to the laboratory or company for further analysis.
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7) how would holistic kinesiologists be most likely to conceptualize the human body? group of answer choices
Holistic kinesiologists would likely see the human body as a complex and dynamic system, with physical, emotional, and energetic aspects that are all interconnected and contribute to overall health and well-being.
What concepts about the human body do Holistic kinesiologists have?Holistic kinesiologists would likely conceptualize the human body as a complex system of interrelated parts, with physical, emotional, and energetic aspects that all contribute to overall health and well-being.
They would view the body as a holistic entity, meaning that all parts of the body are interconnected and cannot be fully understood or treated in isolation.
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Water blankets _____ % of the earth’s surface, but only ____ % of it is fresh.
Answer:
water covers about 71% of earth's surface but only 3% of that is fresh water
Explanation:
About 71 percent of the Earth's surface is water-covered, and the oceans hold about 96.5 percent of all Earth's water. Of all of that water, only about three percent is freshwater.
Why is the silkworm called the useful insect
It produces the silk that use to make clothes
Answer:
Because Bombyx mori, the domestic silk moth, is an insect from the moth family Bombycidae. It is the closest relative of Bombyx mandarina, the wild silk moth. The silkworm is the larva or caterpillar of a silk moth. It is an economically important insect, being a primary producer of silk.
explain how a message is passed WITHIN a neuron
The transfer of information from neuron to neuron takes place through the release of chemical substances into the space between the axon and the dendrites. These chemicals are called neurotransmitters, and the process is called neurotransmission.
Which statement correctly describes the normal number and type of chromosomes present in human body cells of a particular sex?
A. Males have 22 pairs of autosomes and 1 pair of XX sex chromosomes.
B. Females have 23 pairs of autosomes.
C. Males have 22 pairs of autosomes and 1 pair of XY sex chromosomes
D. Males have 23 pairs of autosomes.
Answer:
c. Males have 22 pairs of autosomes and 1 pair of XY sex chromosomes
The statement that correctly describes the normal number and type of chromosomes present in human body cells of a particular sex is "Males have 22 pairs of autosomes and 1 pair of XY sex chromosomes," which is option C.
What is the chromosome number in humans?Humans have a total of 46 chromosomes in their body cells, which are organized into 23 pairs; one member of each pair is inherited from the mother, and the other member is inherited from the father. out of those 23, 22 pairs are called autosomes, and the remaining pair is the sex chromosomes, in females, the sex chromosomes are a pair of X chromosomes (XX), but in males, the sex chromosomes are one X chromosome and one Y chromosome that determine the gender of a child.
Hence, the statement that correctly describes males is that "males have 22 pairs of autosomes and 1 pair of XY sex chromosomes," which is option C.
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Which of the following properties does NOT play a role in trees growing to towering heights by moving water from roots to leaves? water forming hydrogen bonds with other water molecules water forming hydrogen bonds with other substances like cell walls water absorbing energy to change the state of matter from liquid to gas water absorbing energy in large amounts to increase by a degree of temperature
Answer:
The correct option is;
Water absorbing energy in large amounts to increase energy by a degree of temperature
Explanation:
The growth of trees to towering heights has to do with the formation of plant cell walls which are built by the aggregation Glucose molecules to form Cellulose molecules. The cellulose molecules further combines to form microfibrils by forming hydrogen bonding. The microfibrils that combine to make cell walls
Therefore, the growth of a tree is dependent on the formation of hydrogen bonds between water molecules to enable uptake of water into the plants which enable photosynthetic reaction that result in the formation of glucose
The transpiration, which is the conversion of water into vapor or gas at the leaves facilitates the uptake of more water for the formation of more glucose molecules and creation of hydrogen bonds
The hydrogen bonds between chlorophyll molecules is facilitated by forming hydrogen bond with water molecules.
Answer:
water absorbing energy in large amounts to increase by a degree of temperature
Explanation:
Because i jus did it