The percentage of our total gene pool that determines our sex (X and Y chromosomes) is 0.2%.
In terms of numbers, the X chromosome has roughly 800-900800-900800, minus 900 protein-coding genes with a wide range of functions, whereas the Y chromosome has about 60-7060-7060, minus 70 protein-coding genes, of which about half are exclusively active in the testes.The chromosome that the male father provides determines the biological sex (male or female) of the child. The X or Y chromosome can be contributed by the male, who has XY sex chromosomes, whereas the X chromosome must be contributed by the female, who has XX sex chromosomes.Numerous processes, such as mutations, natural selection, and genetic drift, can cause this. As a result, the population's gene pool is modified to better suit the requirements of its particular habitat.To learn more about chromosome.
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What is the advantage of cells being so small?
A. Small cells contain a greater quantity of enzymes than large cells.
B. Small cells do not require energy and get everything they need from osmosis.
C. The cell has a smaller surface area to volume ratio which means it can move nutrients into
the cell and waste out more efficiently.
D. The cell then has a larger surface area to volume ratio which means it can move nutrients
into the cell and waste out more efficiently.
Answer:
D. The cell then has a larger surface area to volume ratio which means it can move nutrients into the cell and waste out more efficiently.
Explanation:
claim why is methodical thinking critical to engineers
Methodical thinking is critical to engineers because the ability to think critically is essential for engineering students and future engineers. This is due to the demands of their work, which include accuracy and fidelity, clarity in action, practical thought, decision-making, attentiveness, and systematization.
By completing a task systematically, methodical thinking helps engineers avoid accidents and perform tasks without making mistakes.
Engineers must have a methodical approach to problem-solving if they are to implement processes that will be repeated repeatedly. They must also follow each step carefully to prevent accidents or forgetting a crucial step in the creation of a material, the construction of an object, etc.
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What do you call the tool that summarizes all the chemical elements into a table?
C. Elemental Table
D. Periodic Table
A. Table of Symbols
B. Periodic Tale of Elements
b) periodic table of elemnts
Answer:
d the periodic table
Explanation:
it is split in to two sides metals and non metals and the chemical elemnts are on the non metal side
The diagram below represents a structure found in most cells.
What does section A in the diagram most likely represent?
O A. chromosome undergoing a mutation
B. part of a gene for a particular trait
C. protein composed of folded chains of base subunits
OD. biological catalyst
which statement best identifies new evidence that could change that change the history of science?
scientist removed the plaque present in ancient teeth
scientist find bacteria fossils in the plaque you ancient teeth
scientists describe ancient teeth
scientists observe ancient skeletons and their teeth
Answer:
b.
Explanation:
Label the components of the cell membrane
3. Label the components of the cell membrane: AL
The components of the cell membrane can be organized in the following order: cholesterol molecule, channel protein, phosphate, fatty acid, phospholipid bilayer, and receptor protein.
What is the cell membrane and what are its components?This is a complex layer that surrounds cells and allows them to communicate with the exterior. The most common elements are:
Phospolidi bilayer: This includes heads and tails that make the membrane attract water but also repel it.Cholesterol: This regulates fluidity and gives the membrane stability.Channel protein: This crosses the membrane and allows ions and other substances to enter.Learn more about the cell membrane in https://brainly.com/question/13524386
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5. Match the column
a. magnifying glass.
b. Amoeba
c. Ostrich egg
d. chloroplast
e. Mycoplasma
i) single celled organism
il) smallest cell
iii) plant cell
iv) largest cell
v) simplest microscope
Answer:
a-v
b-i
c-iv
d-iii
e-iv
Grizzly bears, whales, mice, and humans are very different genotypically and phenotypically. However, they do share some genotypic and phenotypic traits because they
Grizzly bears, whales, mice, and humans share some genotypic and phenotypic traits because they have evolved from a common ancestor and share a certain degree of genetic relatedness.
Despite the significant differences in genotype (genetic makeup) and phenotype (observable traits) among grizzly bears, whales, mice, and humans, there are underlying similarities that can be attributed to their common ancestry. All four species belong to the broader category of mammals and share a set of common genetic and developmental processes.
These shared traits are a result of evolutionary processes, where species have diverged from a common ancestor over millions of years. Through the inheritance of genetic material and gradual accumulation of genetic variations, different species have emerged, each adapting to specific ecological niches and exhibiting distinct phenotypic characteristics. However, due to their shared evolutionary history, there are genetic and developmental features that are conserved among these species.
For example, all mammals have a similar basic body plan, consisting of a bilateral symmetry, a vertebrate skeleton, specialized organ systems, and live birth or the ability to nurse offspring with milk. These shared characteristics can be attributed to common genetic and developmental pathways that have been conserved throughout mammalian evolution.
Overall, while grizzly bears, whales, mice, and humans may exhibit significant differences in their genotypic and phenotypic traits, they share certain fundamental similarities due to their common ancestry as mammals.
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Help please due soon
Answer:Sorry if im wrong but 3-8
Explanation:
Answer:
1-4
Explanation:
because that is the that is the rate of substrate breakdown indicated for pepsin
In the plasma membrane, the phospholipid heads Group of answer choices are hydrophilic and face inward, shielded from water. are hydrophobic and face outward toward the aqueous solution on both sides of the membrane. are hydrophobic and face inward, shielded from water. are hydrophilic and face outward toward the aqueous solution on both sides of the membrane.
Answer:
are hydrophilic and face outward toward the aqueous solution on both sides of the membrane
Explanation:
The plasma membrane is structurally made up of a phospholipid bilayer, which is amphipathic in natire. This means that the phospholipid layer of the plasma membrane consists of phosphate head that is water loving or hydrophilic in nature and a lipid tail that is water fearing or hydrophobic in nature.
Since the phosphate head is HYDROPHILIC, they face outward toward the aqueous (water) solution on both sides of the membrane. This allows the phosphate head to attract water molecules.
Bacterial flagella have a biological motor that spins within the cell wall and is powered by ATP. This allows the flagella to spin in a whiplike motion to propel the bacterium. Is this statement True or False?
Answer:
False
Explanation:
Bacterial flagella have a biological motor that spins within the cell wall and is NOT powered by ATP.
Instead the Bacterial flagella is known as the biological motor that spins the flagella for the motion of the bacteria and is as a result of the electron imbalance in the membranes which helps in the generation of a gradient. The cells makes use of the energy present in the gradient through the help of proton motive force which helps to propel it.
what do i have to draw?
The afflicted man and the purebred female are depicted in a pedigree chart that displays the potential genotypes of their progeny.
A pedigree reveals the ties between members of a family and identifies those who share certain genetic pathogenic features, illnesses, and vital position with other members of the family. A pedigree can be used to determine how illnesses are passed down within a family.
A pedigree animal is thought to be of high quality since it is derived from animals that were all the same breed.
The phrase is frequently used to describe a purebred dog's pedigree in the animal world.
The image of the pedigree is attached below.
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what does it mean when you keep having a dream about a place but with different people in it?
Answer:
I have had many dreams like that. Where a different kind of dream takes place in the same setting.
I don’t think it has anything to do with parallel universes. Rather, the details of the place are what are important. In my case, it is two different houses. The rooms, the house itself, what I’m doing there, the condition of the rooms and the house — all these details are important to finding whatever meaning it has for me.
1. What evidence would you want to see before you agreed that the deer population is too high? 2. Deer are herbivores. What effects do you think a high deer population would have on Wesselman Woods? 3. Let's assume that you agree that the deer population is too high. What solutions would you propose for solving the deer population problem? 4. What other solutions might people propose? 5. Who are the stakeholders in the Wesselman Woods deer herd management? (Hint: someone who drives by the woods would be a stakeholder, due to the risk of a collision).
Before agreeing that the deer population is too high, I would want to see evidence such as an increase in deer-related accidents, a decrease in the amount of vegetation in the area, and an increase in the number of deer sightings in the area.
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What is the most important factor in determining the specificity of an enzyme.
Answer:
Enzyme and substrate shape
In order for protein synthesis to occur, both transcription and translation must occur. Which of the following statements describes the difference between transcription and translation?
In transcription, the genetic code of a DNA molecule is encoded. Translation is the process of converting the DNA code into a code that RNA can use.
In transcription, an amino acid chain is encoded in a DNA molecule. Translation is the process of turning the amino acids into nucleic acids in an RNA molecule.
In transcription, a double helix DNA molecule is split into two separate single strands. Translation is the process of joining each single DNA strand with a single strand of matching RNA.
In transcription, the genetic code of a DNA molecule is transferred to a messenger RNA molecule. Translation is the process of creating an amino acid chain using the encoded messenger RNA.
Answer:
1
Explanation:
In transcription, the genetic code of a DNA molecule is transferred to a messenger RNA molecule. The translation is the process of creating an amino acid chain by using the encoded messenger RNA. So the correct option is D.
What are transcription and translation?The first step in the process of gene expression is called transcription. In this process, the DNA sequence of a gene is copied for the formation of an RNA molecule.
RNA polymerase enzymes link the nucleotides of DNA to form an RNA strand. The DNA strand is the template. For every gene in the genome, transcription is separately controlled.
The translation is the process by which an mRNA molecule encodes for a protein. The process of translation happens with the help of tRNA in the ribosomes.
Translation requires ATP which is produced by the tRNA. The tRNA in the ribosomes supplies energy to RNA for the transcription of proteins The entry of mRNA occurs by the smaller subunit of RNA and the amino acid chain extends from the larger subunit.
Therefore the correct option is D.
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A population of a wild animal is a frequent target for hunters. Hunters tend to hunt the larger animals with big horns. How might this affect the populations in the wild?
A.
Animals with average horns will increase in number.
B.
Smaller animals with a trait for short horns will become endangered.
C.
Traits for larger animals with big horns will be selected.
D.
Traits for smaller animals with short horns will be selected.
Reset
Answer:
D. Traits for smaller animals with short horns will be selected.
Explanation:
The process of natural selection will favour those individuals that possess the combination of characteristics that are most likely to survive and reproduce. As the hunters tend to target the larger animals with big horn, smaller animals with short horns will have better chances of survival so the traits for short animals with short horns will be selected.
hat is the correct order of structures in the electrical excitation pathway that generates a normal heartbeat?
The correct order of structures in the electrical excitation pathway that generates a normal heartbeat is as follows: SA node - The sinoatrial node (SA node) is the heart's natural pacemaker and generates the initial electrical impulse that initiates each heartbeat.
Atrioventricular node (AV node) - The atrioventricular node (AV node) is a specialized conducting tissue that acts as a bridge between the SA node and the ventricles. It slows the electrical impulse to allow the ventricles to fill with blood before contraction.
Bundle of His - The Bundle of His is a collection of specialized fibers that carries the electrical impulse from the AV node to the ventricles.
Purkinje fibers - The Purkinje fibers are a network of specialized fibers that spreads the electrical impulse from the Bundle of His to the ventricular muscle cells.
Ventricles - The ventricles are the lower chambers of the heart that contract to pump blood out of the heart.
This sequence of structures is known as the cardiac conduction system and plays a critical role in generating a normal heartbeat. Abnormalities in this pathway can lead to heart rhythm disorders, such as bradycardia or tachycardia.
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how did water come to earth?
Your Question: How did water come to earth?
Your answer: As a standard comet nears the heat of the Sun, the ice particles from its nucleus sublimate or go directly from solid ice to a gas, which can then condense later into liquid water if it were, say, to arrive on a planet's surface.
Hope this helped! :)
˜”*°•..•°*”˜
A genetic counselor is someone who
Explanation:
A genetic counselor is someone who works with individual, families, communities and other health care professionals to empower them ....
How does agriculture affect coral reef 5- 6 sentences .
Answer:
Agriculture negatively impacts coral reefs. Chemicals used by farmers, such as pesticides and fertilizers, runs off the land when it rains.
Coastal waters suffer from huge amounts of a variety of agricultural and industrial chemicals that are released into them. Fertilizers and pesticides used in agricul-tural development projects are discharged into the sea and might lead to coral reef destruction.
Answer:
Agriculture negatively impacts coral reefs. Chemicals used by farmers, such as pesticides and fertilizers, runs off the land when it rains.
When farming techniques harm the Great Barrier Reef. Sugar cane is the major agricultural crop grown within the Reef's catchments. ... Fertilisers are one of the major sources of nutrients entering the Reef. Fine sediments and the pesticides used on coastal floodplains also threaten water quality.
Explanation:
mark me brainlest
5. Fossils in lower rock layers are always
O
more complete
O older
O younger
more plentiful
older
the deeper you dig into the earth, the farther back into history you are going.
can someone help me please
Answer:
I think it's the second one. Binomial Nomenclature
which zone contains permable materials that are totally fixed with water
hey i need bio help asap will give crown
A.) Deoxyribose sugar
B.) phosphate group
C.) Nitrogen base
5. Why are there fewer women than men in India
Answer:
Poverty is the root of all evil in this situation along with gendder discrimination. Because of the social unpopularity regarding females and because many women lie below standard income, they simply cant afford or just refuse to have kids.
Explanation:
What is a special kind of stem cell and why is it special?.
Human stem cells are unique cells with the capacity to differentiate into a wide variety of cell types. This can range from muscle cells to brain cells. They can sometimes repair tissues that have been injured.
Human stem cells are unique cells with the capacity to differentiate into a wide variety of cell types. This can include everything from brain to muscle cells. They occasionally can also repair harmed tissues. Stem cell-based therapies may one day be used to cure severe ailments like paralysis and Alzheimer's disease, according to researchers.
various stem cell types
In general, there are two types of stem cells. Adult stem cells and embryonic stem cells are what they are.
stem cells from embryos. Currently unborn embryos are where the embryonic stem cells for research are derived from. These result from an in vitro fertilization process. They have been given to science. These pluripotent embryonic stem cells are. This implies that they have the ability to transform into various cell types.
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Denaturing a proteins causes a change in the shape of an enzyme. *
True or
False
Answer:
True
Explanation:
Denaturing is a process in which protein looses its shape. Due to loss of shape (structure), protein also looses its function. This change in shape is due to change in temperature or pH of the protein.
Due to high temperature the shape of active site gets distorted due to which it becomes non functional. Change in active site of enzyme will change shape of the enzyme and make it unfit for the substrate/reaction.
what is the chemical equation of digestion of carbohydrates?
Answer: Digestion of carbohydrates is performed by several enzymes. Starch and glycogen are broken down into glucose by amylase and maltase. Sucrose (table sugar) and lactose (milk sugar) are broken down by sucrase and lactase, respectively.
Explanation:
If someone’s urine is very dark, explain what is happening in the blood and kidney. Please use the terms concentration, solute, water, and osmosis.
Dark urine can be a sign that the urine is concentrated, meaning that there is a higher amount of solutes (such as urea, creatinine, and electrolytes) relative to water in the urine.
What is happening in the blood and kidney If someone’s urine is very dark?The kidneys are responsible for filtering the blood and regulating the composition of the urine. When there is a higher concentration of solutes in the blood, due to dehydration or other factors, the kidneys respond by reabsorbing more water from the urine back into the bloodstream to maintain a proper balance of solutes and water in the body. This results in a smaller volume of urine being produced, but with a higher concentration of solutes.
In terms of osmosis, water will move from an area of low solute concentration (such as the kidney tubules) to an area of high solute concentration (such as the bloodstream) to maintain an equal concentration of solutes on both sides of the membrane. So, in the case of concentrated urine, the kidneys are actively reabsorbing water from the urine by osmosis to maintain a proper balance of solutes in the body.
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