Answer:
Explanation:
a) The late marker is c+. This is because the c+ marker is present in the genotype of the F- cells (StrR a-b- c+), but it is not present in any of the genotypes of the 1000 colonies that grew on A-deficient media. This suggests that the c+ marker is the last marker to be transferred during recombination.
b) The gene order is a-b-c+. This is because the a+ marker is present in the genotypes of 495 colonies, the b+ marker is present in the genotypes of 395 colonies, and the c+ marker is present in the genotype of 10 colonies. The order in which these markers are transferred during recombination reflects the order in which they are located on the chromosome.
c) The map distance between the a and b markers is approximately 0.1 centimorgans (cM), and the map distance between the b and c markers is approximately 0.9 cM. This can be calculated using the following formula:
map distance = (number of recombinants / total number of offspring) x 100
For the a and b markers, the number of recombinants is 95 (the number of colonies with the genotype a+b- c+) and the total number of offspring is 1000, so the map distance is:
map distance = (95 / 1000) x 100 = 0.1 cM
For the b and c markers, the number of recombinants is 190 (the number of colonies with the genotype a+b+c-) and the total number of offspring is 1000, so the map distance is:
map distance = (190 / 1000) x 100 = 0.9 cM
Therefore, the map distances between the 3 markers are 0.1 cM (a and b), 0.9 cM (b and c).
T/F: Polypeptides inside the ER are usually smaller than polypeptides synthesized from the same mRNA that have not entered the ER.
true
It is accurate to say that peptides inside the ER are typically smaller than polypeptides made from the same mRNA outside of the ER.
What are the uses of polypeptides?Since polypeptides (macromolecules made of amino acids) are essential components of molecules created for use in gene therapy or medication administration, they have been the focus of extensive research.
A polypeptide: is it a protein?Each one of these acids is joined to its neighbors through a covalently peptide bond to form a lengthy chain that makes up a protein. Consequently, polypeptides is another name for proteins. A distinct amino acid sequence that is identical from one monomer to the next makes up each form of protein.
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a. What proportion of the gametes formed from Parent 1 have the composition b+b? [Choose ] b. What proportion of gametes formed from Parent 1 have the composition b [Choose ] > c. What proportion of gametes formed from Parent 1 have the composition b+? [Choose ] > d. What proportion of gametes formed from Parent 1 have the composition bb? [Choose ] e. What proportion of offspring from cross I will have brown body? [Choose ] f. What proportion of offspring from cross I will have yellow body? [ Choose g. What proportion of the gametes formed from Parent 3 have the composition b+b+? [Choose ] > g. What proportion of the gametes formed from Parent 3 have the composition b+b+? [Choose ] < h. What proportion of gametes formed from Parent 3 have the composition b+b? [Choose ] > i. What proportion of gametes formed from Parent 3 have the composition b+? [ Choose V j. What proportion of gametes formed from Parent 3 have the composition b? [Choose ] j. What proportion of gametes formed from Parent 3 have the composition b? [Choose ] k. What proportion of gametes formed from Parent 4 have the composition b+? [ Choose l. What proportion of gametes formed from Parent 4 have the composition b? m. What proportion of offspring from cross ll will have brown bofy[ Choose [Choose ]> n. What proportion of offspring from cross Il will have yellow body? [Choose ] < o. What proportion of offspring from cross Il will be trisomic? [Choose ]
The child would be born with twice as many chromosomes as it should. The organism's somatic cells are diploid (2n). This indicates that they have n double chromosomes.
Gametes (egg and sperm cells) are haploid cells, which means they contain n fewer chromosomes than other cells. A diploid zygote (2n) is created when haploid egg cell (n) and haploid sperm cell (n) combine:n + n = 2n
Consequently, the freshly created organism's somatic cells are diploid once more (2n).
Imagine a scenario where the gametes are diploid rather than haploid (n) (2n). A tetraploid zygote (4n) would result from the union of a diploid egg cell (2n) and a diploid sperm cell (2n):2n + 2n = 4n
The offspring will have twice as many chromosomes as they normally would. The result is that the baby would have twice as many chromosomes as it should have if the gametes were not haploid.
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How do serotonin and dopamine affect mood differently? or perhaps how do dopamine and serotonin affect one another?
Answer:
Serotonin and dopamine are considered the "happy hormones". This helps boost happy moods and emotions.
Explanation:
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, why do you think the digestive cavity needs to be the center of the flatworms?
The digestive cavity of flatworms is typically located at the center of the body, and this arrangement has several advantages for the animal. One of the main reasons for this arrangement is that it allows the digestive cavity to be in close proximity to the major organs and tissues of the body, which is important for the efficient digestion and absorption of nutrients.
Having the digestive cavity at the center of the body also allows flatworms to move and change shape easily. This is important for many flatworms, which are highly mobile and need to be able to move quickly and efficiently in order to capture prey and avoid predators. The central location of the digestive cavity allows the flatworm to move and change shape without disrupting the flow of food or the functioning of the digestive organs.
In addition, the central location of the digestive cavity allows flatworms to distribute nutrients and waste products evenly throughout the body. This is important for maintaining a balanced and healthy internal environment, which is essential for the survival and reproduction of the animal.
Overall, the central location of the digestive cavity in flatworms is advantageous because it allows the animal to move and change shape easily, it facilitates the efficient digestion and absorption of nutrients, and it helps to maintain a balanced and healthy internal environment.
Assume that the price underestimates the value that society places on the flu vaccine. If firms produce where P = MC, firms will be producing ________ the socially efficient amount of flu vaccine.
a) exactly
b)more than
c)less than
d)sometimes more than and sometimes less than
Firms will be producing less than the socially efficient amount of flu vaccine.
A vaccine is an organic instruction that gives active received immunity to a particular infectious or malignant disease. The protection and effectiveness of vaccines have been broadly studied and validated.
Vaccines help your frame create protective antibodies—proteins that assist it to fight off infections. With the aid of getting vaccinated, you may shield yourself and also keep away from spreading preventable diseases to other human beings in your network.
Vaccines give you immunity to an ailment without you getting sick first. They're made using killed or weakened versions of the disease-causing germ or parts of the germ (called antigens).
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Answer: The amino acids that compose proteins are universal to all organisms
Explanation:
scientists developed a set of guidelines to address the safety of dna technology. which of the following is one of the adopted safety measures?
Recombinant DNA experiments involve genetically damaged microorganisms that are unable to thrive outside of the lab.
What is done in biology labs?Apply the scientific process, making testable hypotheses based on observations and facts, and so on. Analyze how abiotic factors affect enzymatic activity. Investigate the processes of photosynthetic, mitotic, and meiosis in cells. Determine inheritance patterns using Mendelian genetics.
What do biological tools entail?In the context of a Legacy Program, "Biological Tools" refers to (a) strains of bacteria and plasmid created in a lab, (b) biochemical reagent (containing protein and substrate), (c) cellular and molecular biology reagents, and (d) transcription plasmids and protein from TPAT.
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Well observing an Elodea plant cell through a microscope a student noticed some small moving green disc these organelles were most likely responsible for
Answer: Based on the description you provided, the small moving green discs that the student observed in the Elodea plant cell are most likely chloroplasts.
Chloroplasts are organelles found in the cells of plants and other photosynthesizing organisms. They are responsible for photosynthesis, the process by which plants convert sunlight into chemical energy. Chloroplasts contain chlorophyll, a pigment that absorbs light energy and converts it into chemical energy. This is why chloroplasts are often described as being green in color.
Chloroplasts are typically found in the cells of plants and algae, where they are responsible for producing energy for the organism through photosynthesis. They are found in the cytoplasm of cells, and they are typically oval or disk-shaped. They are typically small in size, and they are often described as being "in motion" due to the movement of the pigments within them.
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write an inequality that represents the points that the teams earned.
which property of water is most responsible for plants being able transport water from their roots to their leaves
which property of water is most responsible for plants being able transport water from their roots to their leaves
Water may reach the roots advanced up thanks to capillary action. Water may move all the way up to the branches and leaves with the aid of adhesion and cohesion. Cohesion or a water patch's propensity to" stick" to another.
What about plants?A factory is a living reality with a stem, leaves, and roots that develops in the soil.As with fantastic shops, water each factory as frequently as necessary.Indispensable words flower, shrub, veggie, condiment More factory's contraries.In the area of Planate, multicellular brutes called shops use photosynthesis to produce their own food.There are different types of shops, with meadows, trees, and shrubs serving as popular examples.Natural shops have emblematic and spiritual connotations just like people and creatures do.In general, the term" factory" denotes the presence of the following characteristics: multicellularity, the presence of cellulose- containing cell walls, and the capacity to perform photosynthesis using primary chloroplasts.shops, flowers, and other foliage serve as symbols for studies, passions, and deeds.Every factory has a special significance, and girding yourself with shops that stand for effects you value or want might help you feel more.You may choose décor and presents that are more significant and unique by being apprehensive of factory symbolism.The vine, the columbine, the carnation, and the blowing cross which emerges from an acanthus factory encircled by tendrils are exemplifications of Christological shops.Olive, cedar, cypress, rose, flower, and win are some exemplifications of mariological totems. Saints, particularly recruits and killers, are constantly shown with shops as rates.Learn more about plants here:
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Tyra created a chart that compared DNA and RNA for her science class. Tyra made a mistake while she was creating her chart. Which best identifies the mistake Tyra made?
Answer:The RNA remains in the nucleus and that dna leave the nucleus is the one that is incorrect
Rna is called the messenger dna because after it creates a copy it leave the nucleus and goes to the ribosome to make proteins while dna stays in the nucleus
A nurse is caring for an adolescent client who is gravida 1 and para 0. The client was admitted to the hospital at 38 weeks gestation with a diagnosis of pregnancy induced hypertension. Which of the following findings should the nurse identify as inconsistent with the admitting diagnosis?
A. 1+ pitting sacral edema
B. 3+ protein in the urine
C. Blood pressure 148/98 mm Hg
D. Deep tendon reflextes of +1
The finding that is most inconsistent with the admitting diagnosis of pregnancy induced hypertension (PIH) is deep tendon reflexes of +1. Therefore, option (D) is correct.
What is Deep tendon reflexes of +1?Pregnancy induced hypertension is a condition that occurs during pregnancy and is characterized by high blood pressure. It can be a serious complication and may lead to further complications such as preterm labor and delivery. Common signs and symptoms of PIH may include high blood pressure, swelling in the hands and feet, protein in the urine, and occasionally, abdominal pain.
Deep tendon reflexes are a type of reflex that can be tested by a healthcare provider to assess the functioning of the nervous system. A deep tendon reflex is considered normal if the reflex is present and the response is graded at +2 or +3. A reflex graded at +1 is considered hyporeflexive, which means that the reflex is weaker than normal. This finding is not consistent with the diagnosis of PIH. If the nurse observes a deep tendon reflex of +1 in the client, they should report this finding to the healthcare provider, as it may indicate an underlying neurological condition that needs further evaluation.
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Which best describes the net result of meiotic cellular division?
A Two genetically identical daughter cells.
B
C
Two genetically different daughter cells.
Four genetically identical daughter cells.
D Four genetically different daughter cells.
Answer:
D
Explanation:
Meiosis and mitosis are different. Meiosis occurs in gamete-producing cells. Meiosis is essentially happens in two stages, with the first stage producing 2 cells and then those 2 cells each producing 2 cells, making the net result 4. The chromosomes are divided, creating genetically different daughter cells.
which of the following correctly explains a long-distance signaling method animals use to perform cell communication? a) chemical signals travel down a nerve cell and are converted to electrical signals at synapsesb) endocrine cells release hormones that travel through the bloodstream to target cellsc) local regulator molecules pass through gap junctions to transmit signals to target cellsd) proteins on a cell's surface recognize and interact with molecules on another cell's surface
A signaling molecule acting on a target cell that is far away from the signaling cell is known as long-distance signaling.
Endocrine signaling is another name for long-distance communication. A hormone is a substance that an endocrine gland secretes that is intended to cause a reaction in a specific cell. The bloodstream is responsible for hormone distribution.Hormones are the chemical messengers that target other cells while travelling through the circulation.The endocrine system uses chemical signals called hormones to transmit information from one area of the body to another. The extracellular environment is where hormones are released from the endocrine cell, but they ultimately reach their target tissues via the bloodstream.The body's chemical messengers are called hormones. They move information and commands from one set of cells to another.
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What do all organisms need to survive?
Space
Dirt
Plants
Energy
Answer:
Energy
Explanation:
A group of plants that are not capable of
interbreeding is called
a.vegetation
b.biome
C. Community
d. a population.
Answer:
A group of plants that are not capable of interbreeding would be known as a species, however that is not one your options.
Explanation:
For plants, another way to describe it would be "hybrid plants" however, that ia also not an option, but if you consider each option, you would end up at the conclusion that the answer is most likely be biome or community but community interbreeding often result in weak offspring.
A group of plants that are not capable of interbreeding would be known as a species.
What is interbreeding?In both biology and philosophy, there is debate over the nature of species. Philosophers and biologists argue over the ontological significance of species, while biologists disagree over the definition of the word "species."
The basic taxonomic units of biological classification are species. Species are used to frame environmental legislation. Even how we view human nature is influenced by how we view different animals.
Numerous species are distinguishable with ease. The nature of species is significantly less evident when we look at the scholarly literature on species. There are more than twenty definitions of "species" provided by biologists.
Therefore, A group of plants that are not capable of interbreeding would be known as a species.
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Darwin's finches are an example of adaptive radiation, the evolution of an animal or plant group into different types adapted to specialized ways of life. Their common ancestor arrived on the Galapagos about two million years ago. Over time, Darwin's finches have evolved into 15 recognized species differing in body size, beak shape, song and feeding behavior. The picture here shows finches with four different types of beaks.
What statement best represents how one species of finches became many?
A. In order to survive, the finches with different beaks flew to the island with the best food source for each beak type. Over time they evolved into different species.
B. The finches became isolated from one another on different islands. Because each island was different and presented different food sources, those finches with the beak type best fit for each island ecosystem survived to reproduce, over time evolving into different species
C. The finches became isolated from one another on different islands. Because each island was different and presented different food sources, those finches with the beak type best fit for each island ecosystem survived to reproduce, over time evolving into different species
D. The finches became isolated from one another on different islands. Finches developed the beaks that would best help them survive, over time evolving into different species.
Answer:d
Explanation:
You need to clean your sidewalk with the hose and a certain amount of pressure is required. What are 2 ways you can increase the pressure coming from the hose?
Answer:
1. Attach a pressure booster to the hose.
2. Increase the water pressure of the water source.
Explanation:
The two ways in which we can increase the pressure which is coming from the hose is to attach a pressure booster to the hose. Increase the water pressure of the water source or container.
What is pressure in a hose?Pressure hoses are the heavy-duty hoses which are designed to withstand a certain amount of the pressure. The amount of pressure which they can withstand easily is typically measured in the units of pounds per square inch (PSI). Some pressure hoses have also been found to withstand almost about 1,000 PSI of pressure, whereas others can withstand up to about 3,000 PSI of pressure.
An effective method to increase the pressure which is coming from the hose is using a high-powered nozzle to increase the amount of water output significantly. A person could get one from any hardware store near us. A water pump can be referred to as a sure alternative to a powered nozzle. Installation of the pump into the end of the hose pipe and plug it into a power outlet.
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Data suggests that Baikal seals can sustain much longer dives than emperor penguins. Propose a hypothesis that could explain the evolution of different dive responses in emperor penguins and baikal seals
The suggested hypothesis is that fermentation may be to blame for the rise in lactate levels. Different bacteria with the capacity to utilise a variety of carbohydrate sources create lactic acid through the fermentation process.
What is the use of primary bacteria?The primary bacteria utilised to create lactic acid are lactic acid bacteria, and among these, Lactobacillus spp. have demonstrated intriguing fermentation abilities. Lactic acid fermentation was a consequence of a deficiency in oxygen inside the muscle cells.
This is because oxygen is required by the cell as a terminal electron acceptor in order to make ATP. The cells had to find an alternative way to produce energy since there was no oxygen present. As a byproduct, lactic acid, or lactate, and H+ were produced.
Therefore, The suggested hypothesis is that fermentation may be to blame for the rise in lactate levels.
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Infection by which of the following results in the formation of Ghon complexes? A. Bordetella pertussisB. Corynebacterium diphtheriaeC. Mycobacterium tuberculosisD. Streptococcus pyogenesE. Blastomyces dermatidis
Mycobacterium tuberculosis, the pathogen that causes TB, also generates a Ghon complex.
What factor does Streptococcus pneumoniae's virulence depend on most?There is a lot of genetic variation in Streptococcus pneumoniae, and some lineages are more successful than others. The key driver of virulence and immunodominant surface structure of S. pneumoniae, the capsular polysaccharide (CPs), is a significant source of strain-to-strain variation.
Which of the following can cause a tuberculin skin test to be positive?The PPD test's positive skin reaction might happen in: infection with active TB. prior exposure to TB (latent TB infection) Earlier BCG vaccination (live attenuated mycobacterial strain) infection with different Mycobacteria that do not cause tuberculosis.
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How do organisms interact with and respond to changes in their environment?
Organisms interact and use available resources, such as food, space, light, heat, water, air, and shelter. Each population of organisms, and the individuals within it, interact in specific ways that are limited by and can benefit from other organisms.
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Identify each event as either a sympathetic nervous system response or a hypothalamic pituitary-adrenal (HPA) axis response to stress
Heart rate rises, epinephrine and norepinephrine are released, blood pressure rises, and respiration increases as a result of the sympathetic nervous system.Cortisol release- Glucose levels rising in the blood- The pituitary gland's activation
What are the nervous system's four primary purposes?The control center of your body is your neurological system.It is controlled by your brain and governs your actions, thoughts, and automatic reactions to your environment.Other bodily functions and systems, including digestion, respiration, and sexual development, are also under its control.
What are the nervous system's functions?Signals are sent from the brain to the rest of the body, such as the internal organs, via the nervous system.Thus, its nervous system's activity regulates a variety of functions, including the capacity to move, breathe, see, and think.1. The nerve cell, or neuron, is the basic building block of the neurological system.
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Attached earlobes are a recessive trait in humans. In the tree below, people
I with attached earlobes are shaded in. Which best describes the person
labeled X in the tree?
A. A male with one recessive allele
B. A female with one recessive allele
C. A male with no recessive alleles
D. A female with no recessive alleles
The correct answer is a male with one recessive allele.
Explanation:As we can see, a homozygous recessive parent and a heterozygous parent are crossed to produce the offspring.
These are the results of such a cross:
r r
R Rr Rr
r rr rr
The results of the cross indicate that the progeny from such a hybrid will either be heterozygous dominant with unattached ear lobes or they will have both recessive alleles with attached ear lobes.
The person labelled X is not shaded, as can be seen from the pedigree, hence it cannot bear the alleles rr. As a result, the individual is heterozygous, carrying both a dominant and a recessive allele.
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Label the following diagrams of stratified and columnar epithelium to better understand the body's epithelial barriers. Not all labels are used.
It is an uncommon column-shaped epithelium that can be found on the throat, anus, lobar ducts, and conjunctiva. Multiple layers of epithelial cells make up stratified columnar epithelium.
It frequently occurs between simple columnar epithelia and squamous epithelia.It has numerous layers of cells, with columnar cells making up the apical layer and cuboidal or columnar cells making up the lower layer.When compared to other epithelial tissues, stratified columnar epithelial tissues are rare. The following parts of the human body contain it. With many layers of epithelial cells, the primary purpose of stratified columnar epithelium is to protect underlying structures. They also carry out secretion.To know more about stratified columnar epithelium
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3. Define: A phase change is a change from one state to another, such as from a liquid to a gas. Based on what you have read in the Gizmo, fill in the blanks with the words 'liquid," "gas," or 'solid' to define each change.
4. Practice: Fill in the process that causes each transition. Your choices are evaporation, condensation. precipitation, melting, and freezing.
5. Practice: Fill in the two processes that cause each of the following transitions
6. Think and discuss: Water covers over two-thirds of Earth's surface. Yet water shortages are a major problem for many people around the world. Why do you think this is the case?
Evaporation is the process by which a material transforms from its liquid state into its gaseous state.
explain about the phase change processes ?
Evaporation is the process by which a material transforms from its liquid state into its gaseous state. Condensation is the process by which a material transitions from its gaseous state into its liquid state. Sublimation is the process of a solid converting directly to a gas without first going through a liquid phase.
Evaporation : change from liquid state to gases state.Condensation : change from gases state to liquid state.Melting : change from solid state to liquid state.Freezing : change from liquid state to solid state.4. Ocean → atmosphere :
change of water from ocean to atmosphere was evaporation.
Atmosphere → clouds :
change of atmosphere to cloud was condensation.
Clouds → Snow :
change of clouds to snow was condensation.
Glacier → river :
change of glacier to river was evaporation.
Ocean → cloud :
change of ocean water to cloud was evaporation.
cloud → glacier :
change of cloud to glacier was melting and refreezing.
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(PLEASE ANSWER FAST!!!!!!!!!!)start with the sentence "I feel hungry". In the space below draw a cycle diagram to show how your body would respond to this situation.
In a hunger situation, the body releases some hormones such as ghrelin that stimulate the hunger center of the brain, and then the person feels hungry and eats some foods.
What happens to the body in a hunger situation?In a hunger situation, the energy level drops, the body uses stored materials like glycogen or fats, and hormones like ghrelin release and act on the hunger center, causing the person to feel hungry, and then they eat foods.
Hence, in a hunger situation, the body releases some hormones such as ghrelin that stimulate the hunger center of the brain, and then the person feels hungry and eats some foods.
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Consider the fossil features described below. Which best indicates that a fossilized ape is a hominin? a. Curved finger bones. b. A short, broad pelvis. c. A femur with a short neck. d. A skull with a large sagittal crest. e. A funnel-shaped ribcage.
d. A skull with a large sagittal crest indicates that a fossilized ape is a hominin.
A hominine is a member of the subfamily Homininae: gorillas, chimpanzees, and human beings (excludes orangutans). A hominin is a member of the tribe Hominini: chimpanzees and human beings. 'Hominin' is a time period given to human beings and all of our extinct bipedal ancestors – the ones ancestors who walked upright on feet. 'Hominid' is the time period given to all cutting-edge and extinct remarkable apes, consisting of human beings, chimpanzees, gorillas, orangutans and all their instantaneously ancestors.
Thus, option d is correct.
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Which worm has the thinnest body, when measured dorsoventrally (back to belly)? The thickest?
Which worm has the shortest body, when measured anteroposteriorly {head to tail)? The longest?
a. The worm which has the thinnest body, when measured dorsoventrally (back to belly) is the horsehair worms.
b. The worm which has the thickest body is the gippsland earthwormc. The worm with the shortest body when measured anteroposteriorly is greeffiella.d. The worm with the longest body is the bootlace worm when measured from head to tail.What are worms?Worms are a group of invertebrate animals which do not have notochords, let alone backbones. This goes to say that all worms do not have back bones. Some of them are flatworms, round worms, earthworms and so on and so forth. Some worms have segmented bodies while some have unsegmented bodies.
In conclusion, it can therefore be deduced from the explanation given above that worms are invertebrates.
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if in a population there are only two alleles at a certain locus, then their frequencies are related as follows: p
if the allele frequencies in a population with two alleles at a locus are p and q, then the expected genotype frequencies are p2, 2pq, and q2. This frequency distribution will not change from generation to generation once a population is in Hardy-Weinberg equilibrium
What is Hardy-Weinberg principle ?A population's genetic variation will remain constant from one generation to the next if no unfavourable factors arise, according to the Hardy-Weinberg equilibrium principle.
There are five fundamental Hardy-Weinberg presumptions: absence of mutation, asexual reproduction, absence of gene flow, infinite population size, and absence of selection. The population for a gene may evolve if the presumptions are not true (the allele frequencies of the gene may change).
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Create a map to compare simple diffusion, protein-mediated transport, and vesicular transport across membranes.
By simple diffusion, it will be transferred across the plasma membrane.
Simple diffusion is the process by which molecules penetrate the plasma membrane without the assistance of channels that are present on the membrane's surface. Since the identified molecule was polar, it will not stick when it enters the hydrophobic part of the membrane since this region is non-polar, and it will travel smoothly across that region.Simple diffusion is a process in which a substance crosses a membrane without the aid of an outside agent or middleman, diffusion acts as the force that propels the molecules. In biology, diffusion is the migration of a molecule from a high concentration region to a low concentration region.To know more about membrane
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Which statement best describes the physical features of mountain regions?
A.
Mountain regions are geographic areas that receive little rain and can be very dry.
B.
Mountain regions are geographic areas that have high elevations.
C.
Mountain regions are geographic areas like oceans and lakes.
D.
Mountain regions are geographic areas that are not much higher than sea level.
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