The activities of the cell are powered by cellular respiration which is the final process of the metabolic pathway to generate energy, in this oxygen acts as a final electron acceptor, hence option C is correct.
What is the process of cellular respiration?Cellular respiration is the metabolic process in which all the electrons, are finally moved into the electron transport system which generates the energy in the form of ATP.
Glucose, protein, and fatty acids are catabolized to give energy by the oxidation process, this oxidative breakdown produces electrons and protons which finally produce an electromotive force to produce ATP.
Oxygen is the final electron acceptor in this process, in some cells if oxygen is not present, another substrate acts as a final electron acceptor, but produces less amount of energy.
Therefore, option C is correct.
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Final answer:
Cells use cellular respiration to acquire energy by converting carbohydrates and oxygen into ATP, the principal energy carrier within the cell. The correct option is A.
Explanation:
To power the activities of the cell, cells use cellular respiration to acquire energy in the form of adenosine triphosphate (ATP). ATP serves as the principal energy carrier within the cell. During the process of cellular respiration, cells convert biomolecules like carbohydrates into energy. The carbohydrates react with oxygen, which is an essential reactant in this process, and as a result, carbon dioxide and water are produced alongside ATP. The ATP produced is then utilized to fuel various cellular functions, serving as the energy currency of the cell. It's crucial to understand that although oxygen is required for aerobic respiration, ATP can also be produced in the absence of oxygen through anaerobic processes like fermentation.
A person receives an O allele and an A allele for blood type. What is the individual’s blood type? type A type B type AB type O
Answer:
type A
Explanation:
If a person receives an O allele from one parent and an A allele from another parent then this person will have A type blood.
Blood group of a person is decided by the presence or absence of antigen A and B & their antibodies. We have ABO type of blood group system in which A and B antigens are co-dominant i.e. if both the antigens are present on the surface of red blood cells then the person will have AB blood group because both are equally dominant.
Rest of the blood groups and their allelic combinations are mentioned as under:
A blood group → AA or AO
B blood group → BB or BO
AB blood group → AB
O blood group → OO
In the given question the person has one O allele but it is receiving an A allele also. A allele is dominant on O allele so the person will have A type blood group.
O type blood group will be exhibited by a person only when it has both the alleles as 'O'.
carbohydrates are important in the body because they contribute to the body's ability to
Answer:
carbohydrates are important in the body because they contribute to the body's ability to produce ATP
Answer:
To produce ATP.
Explanation:
Carbohydrates are important in the body because they contribute to the body's ability to produce ATP.
When a person eats food, the carbohydrates in it are broken down which in turn produce an energy rich component called ATP (adenosine triphosphate).
These carbohydrates are broken down by certain enzymes in the small intestine which are present in the form of glucose which then yields ATP to drive the cell.
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Answer:
Explanation:
Experiment 1.
Independent variable: SoilDependent variable: Height of plantConstants : Sunlight and amount of water for each.Control: Use of same kind of corn seedsExperiment 2
Independent Variable: The drinks usedDependent Variable: The amount worn away by each liquid.Constants : The type of Jar used. Control : She better be using the same kind of bone. A part of a thigh bone would be best.Experiment 3
Independent Variable :The type of water used to water the plants.Dependent Variable : the growth of the plants Constants : soil, containers time of exposure to sunlight Control : identical tulip plants.
What kind of change occurs when salt dissolves in water
Answer: physical change
Explanation:
A physical change is defined as a change in which there is alteration in shape, size etc. No new substance gets formed in these reactions.
Example: Dissolution of salt in water
A chemical change is defined as a change in which a change in chemical composition takes place. A new substance is formed in these reactions.
Example: Oxidation of magnesium to give magnesium oxide
[tex]2Mg+O_2\rightarrow 2MgO[/tex]
Thus physical change occurs when salt dissolves in water.
All of these are characteristics of the tropical rain forest except
a. lots of rainfall
b. nutrient rich soil
c. high temperatures
d. constant amoutn of sunlight
Answer:
b.nutrient rich soil
Explanation:
All of these are characteristics of the tropical rain forest except nutrient rich soil.
Functional proteins are enzymes that are made up of ___ and have an asymmetrical carbon.
A. proteins
B. vesicles
C. amino acids
D. carbohydrates
Functional proteins, vital enzymes are composed of amino acids. Variety in protein function and structure is made possible by the 20 different types of amino acids. A chiral center or asymmetric carbon atom in a protein enables its unique 3-dimensional structure.
Explanation:Functional proteins are enzymes that are fundamentally composed of amino acids. Amino acids are the building blocks of proteins and play a significant role in the body, including creating and repairing tissues and making enzymes and hormones. Hence, the correct answer is C. Amino acids. The presence of an asymmetric carbon atom, often called a chiral center offers these proteins their unique three-dimensional structure critical for their biological function.
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Enzymes, which are functional proteins, are composed of amino acids, and each amino acid includes an asymmetrical carbon. Hence the correct option is C.
Functional proteins, which include enzymes, are indeed made up of amino acids and have an asymmetrical carbon, known as a chiral center, in each amino acid residue. Enzymes are a type of protein that catalyze biochemical reactions in living organisms and are essential for various metabolic processes. Proteins are polymers, and their monomers, the amino acids, are linked together by peptide bonds to form long chains known as polypeptides. The unique sequence of amino acids dictates the protein's three-dimensional structure and function.
Starting with the atom and ending with the biosphere, record the Levels of Organization found in life.
A star has a declination of approximately –90°. In what direction is the star located from the celestial equator?
East
North
South
West
Answer:
South
Explanation:
The declination of a star is measured in degrees, whether if it’s north (+) or south (-). Also, the declination has a central line that defines the north and the south that is called the celestial equator. If a star has a +90 degree declination, then it’s referring to the North Celestial Pole; and if the star has a -90 degree declination, then it’s referring to the South Celestial Pole.
when the gravitational pull of the sun and moon partially cancel each other out,earth experiences a ___ tide.
Answer:
Neap tide
Explanation:
When the sun and the moon are positioned as such that a right angle is created, as shown in the picture, neap tides occur. This is because the moon and the sun are pulling in directions perpendicular to each other.Because the pulls are working against each other, so the bulges each create kind of spread out or cancel out. That's why they are weak.
Answer:
Neap tide
Explanation:
Neap tide is the type of tide that occurs when the moon is in its first and third quarter or when the moon appears half full in the sky.
The neap tide is also referred to as the smallest difference between the high and low tides.
They are gotten by picking the two lowest high tides of the month.
The burning of coal to generate electricity has been good in some ways and bad in others. The electricity has allowed for an improvement in many areas of life, but the burning of coal is also responsible for a great deal of pollution. Which activity helps solve the pollution problem through the use of new technology ?
Technologies such as Carbon Capture and Storage (CCS), clean coal technology, and the use of renewable energy sources can help solve the pollution problems caused by burning coal to generate electricity.
Explanation:The pollution problem caused by burning coal for electricity can be addressed using new technologies in various ways. One method is Carbon Capture and Storage (CCS), a technology designed to trap and store carbon dioxide produced from coal-fired power plants to prevent it from being released into the atmosphere. Another way is the use of clean coal technology, aimed at improving the efficiency of coal burning and reducing greenhouse gas emissions.
Furthermore, exploring and expanding the use of renewable energy sources such as wind, solar energy, and hydropower as an alternative to burning coal plays a significant role in reducing pollution and counteracting the warming effect on the planet.
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Question 2
Which of the following is (are) considered when selecting a germicidal chemical
Toxicity
O Cost
Compatibility with the material being treated
Environmental impact
All of the choices are correct.
Answer:
The correct option is ALL OF THE CHOICES ARE CORRECT.
Explanation:
Germicidal chemicals are chemical substances that are normally used to eliminate germs. There are many factors that one needs to consider when it comes to choosing and buying the right germicide. For instance, one has to consider the suitability of the germicide with the material that is been treated, one has to consider the impacts of the chemical on the environment, one also has to consider the cost, toxicity, safety and other factors. Thus, all the factors given in the options have to be considered when one is trying to decide on the right germicide.
Environmental factors can influence the gene expression in some organisms. Using a specific example, explain how a lighter shade of a color can affect the gene expression in an organism where lighter shading affects the phenotypes of the organism. First answer will mark as the brainliest
An example is the drop of white-colored moths and an increase in dark-colored moths in London after the industrial revolution. Because darker-colored moths could camouflage well in the sooty environment (due to industrial emissions), they were preyed less by their predators. White-colored moths stood out and due to being preyed more their numbers declined over generations – because they wouldn’t survive long enough to reproduce and pass their genes to the next generation. The predominant color for the moths’ population became dark color.
Environmental factors such as ultraviolet (UV) light can significantly influence the expression of genes related to skin color in humans, leading to changes in melanin production and resulting in a darker pigment as an adaptive response.
Explanation:Effects of Environment on Phenotype
Environmental factors play a crucial role in the expression of genotypes in organisms, influencing phenotypes across various species. A clear example of this is seen in the variable pigmentation of human skin. While skin color is determined by multiple genes, the exposure to environmental elements like sunlight can markedly alter pigmentation levels. Specifically, exposure to ultraviolet (UV) light signals melanocytes in the skin to increase the production of melanin, leading to a darker complexion. This is a direct instance where an environmental stimulus affects gene expression, altering the phenotype.
In simple terms, while our genes provide the blueprint for traits such as skin color, the environment in which we live can impact how these genes are 'read' and 'acted upon' by the body. This results in the phenotypic variations we observe, not only in humans but across a wide range of organisms. Consequently, identical genetic information can lead to diverse phenotypes under different environmental conditions.
When a student adds a few drops of diluted picric acid to a paramecium slide, he observes that the paramecium releases some transparent spine-like projections to protect its body from the acid. What is the significance of these projections?
The projections that are released to protect its body from the acid are trichocysts. These trichocysts are released for the self-defense of the paramecium.
good day son
Answer:
The correct answer is - trichocysts
Explanation:
The picric acid is a organic compound that tastes bitter and explosive in nature. When its dilute solution is added to the Paramecium, it reacts against the picric acid by releasing transparent spine-like projections called trichocysts for its self-defence.
Trichocysts form a barrier around body of the Paramecium to protect its body from the picric acid.
2 Points
What happens when alleles for a trait are codominant?
Final answer:
When alleles are codominant, both are expressed equally in the phenotype. This is observed in the AB blood type in humans, where both A and B antigens are visible. Codominant traits lead to unique phenotypes with both inherited traits being equally expressed.
Explanation:
When alleles for a trait are codominant, it means that both alleles are expressed equally in the phenotype of the organism. Unlike complete dominance where only the dominant allele is visible, or incomplete dominance where a blend of both alleles is seen, codominance allows each allele to maintain its identity and be seen distinctly in the phenotype.
A classic example of codominance can be found in the ABO blood group system. Individuals with type AB blood inherit one A allele and one B allele. These alleles are codominant, allowing for the expression of both A and B antigens on the surface of red blood cells. Likewise, in plants, a flower with codominant alleles for petal color may display both red and white petals simultaneously. This distinct expression of both alleles leads to unique phenotypes that do not blend but rather are expressed together.
In a Mendelian monohybrid cross involving codominance, the heterozygous offspring will express both alleles. The genotypic ratio remains the classical 1:2:1, typical of Mendelian inheritance, yet the phenotypes will distinctly show both inherited traits.
What term describes a process the cell uses to control metabolism? lactic acid fermentation cellular respiration feedback inhibition ethyl alcohol fermentation
Answer:
feedback inhibition
Answer:
cellular respiration feedback
Explanation:
Cellular respiration feedback is the term that describes a process the cell uses to control metabolism.
Photosynthesis occurs when
a. plants absorb energy from carbon dioxide
b. plants absorb energy from sunlight
c. oxygen concentration in the atmosphere increases
d. all of the above
Please select the best answer from the choices provided
Answer:
Option (B)
Explanation:
Photosynthesis is an important process that plants carry out, in which the plants absorb the energy provided by the sun, in the presence of CO₂, water and in return, liberates food, oxygen, and some water. This is how the green plants prepare their own food and the consumers are directly dependent on them.
This process helps in converting light energy into chemical energy.
Thus, the correct answer is option (B).
Photosynthesis occurs when plants absorb energy from sunlight. Therefore, option (B) is correct.
Plants, algae, and some bacteria use sunshine, carbon dioxide, and water to make glucose (chemical energy) and oxygen. Plant chloroplasts absorb sunlight to power photosynthesis. This energy powers biological activities that turn carbon dioxide and water into glucose.
Photosynthesis uses carbon dioxide and oxygen, but they are not energy sources. Sunlight powers photosynthesis. Therefore, option b is correct—plants absorb sunlight. Therefore, option (B) is correct.
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]6. Which neurotransmitter stimulates the beginning of muscle contraction and movement?
A. Acetylcholine
B. Dopamine
C. Epinephrine
D. Serotonin
Answer:
The correct answer option is A. Acetylcholine.
Explanation:
Acetylcholine is that neurotransmitter which stimulates the beginning of the muscle contraction and movement its movement.
The muscle tissues are composed of cells known as the muscle fibers. The nerve terminals present at the neuro muscular points releases a chemical message which is actually released by the motor neuron.
This neurotransmitter called acetylcholine binds itself to receptors on the outside of the muscle fiber which then causes muscle contraction and movement.
Answer:
A. Acetylcholine
Explanation:
How do mass movement impact people ?
a) they can use damage to property, sometimes even burying villages
b) they are two slow to causes any impacts
C) Mass movement are too slow to result in loss of lives
D) homes are always built strong enough to resist damage
Answer: a) they can use damage to property, sometimes even burying
Explanation:
A mass movement or mass wasting is natural phenomena in which the unstable materials like stones, boulders, sediments move down the slope under the influence of gravity. The fall of material can cause huge damage on villages settled at the hilly region. This can cause loss of property and lives. This can lead to burying of individuals.
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Which body system includes involuntary movements of pumping blood and moving food through the digestive system?
Integumentary system
Muscular system
Skeletal system
Synovial joint system
Involuntary movements means that you can not control whether it does its function or not. This would include your heart. The muscular system includes these involuntary movements. The heart is a muscle and there are muscles in the digestive system that constrict to move food through our body.
This means that the answer is Muscular system.
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Answer:
The correct answer is B, Muscular system.
which of the following best describes why invertebrates isn't considered a scientifically valid word when classifying animals
Glaciers are most likely to advance during _______ summers.
Answer:
The correct answer would be Late.
Explanation:
Glaciers are the dense layers of solid ice which are accumulated on the tops of the mountains, or on the surface of the mountains, or on the rivers, near the poles, and they are moving slowly under their own mass or weight. Glaciers are most likely to advance during the Late Summers. When the summer passes and the heat accumulates and reaches the inner surfaces of the snow, it starts to advance in the late summers due to the continuous exposure to the sunlight. They start to melt and move forward in the late summers and heavy melting usually lead to floods in the nearby towns and cities.
Answer:
Cool
Explanation:
its from feedback 100 correct
all Answers below
1. Glaciers
2. Wind
3. continental
4. deflation.
5. ablation
6. suspension.
7. cool
8. particle size
9. abrasion.
10. Dust Bowl.
A woman is heterozygous for a rare dominant autosomal genetic disease,
Neurofibromatosis. She marries a normal man (homozygous recessive for
Neurofibromatosis), who has Red-Green Color blindness, an X-linked recessive
trait. They have children. What is the phenotype ratio for the Neurofibromatosis
gene?
Answer:
The phenotypic ratio for the neurofibromatosis gene would be 1:1.
This is because woman has one dominant allele for neurofibromatosis, so there would be 50% of female gametes with dominant allele for neurofibromatosis. On the other hand, man is normal, so there would be all normal male gametes. Therefore, half of their progeny would have neurofibromatosis from mother.
Further explanation:
A). Dominant autosomal genetic disease.
A dominant autosomal genetic disorder can be defined as disorder, in which one mutated copy of gene (allele) is sufficient to affect the person. It is known as autosomal disorder as genes for this disease are present on autosomes.
B). Red-Green Color blindness.
Red-green color blindness is a sex-linked recessive genetic disorder, which mutated gene is present on X chromosome (sex chromosome). It is know as recessive as it is expressed only if both the recessive copies of X chromosomes are present.
C). Phenotype.
Phenotype of an individual can be defined as a set of features or characteristics, which are observable or expressed physically. For example, height, color of eye or hair, or observable traits for a disease
D).Phenotypic ratio of for diseased gene in children.
People with autosomal dominant disorder are affected with disorder either in heterozygous or homozygous dominant conditions. In this case, female is heterozygous and affected.
Assume genotype of woman is Aa (where 'A' represents dominant allele and 'a' represents recessive allele for neurofibromatosis).
On the other hand, man is normal for neurofibromatosis as he has both recessive alleles for neurofibromatosis. Assume genotype of man is aa (both recessive alleles).
Even if the man is affected with color blindness, there is no role of color blindness (a sex-linked disorder) in inheritance of neurofibromatosis, which is an autosomal disorder.
So, the phenotypic ratio for neurofibromatosis can be determined as:
Parents: Woman X Man
(Aa) (aa)
Gametes: ↓ ↓
A a a
(50%) (50%) (100%)
Children: Aa (with diseased phenotype) = 50%
aa (normal normal phenotype) = 50%
(For more information please find the Punnet square attached with answer).
Thus, phenotypic ratio for the neurofibromatosis would be 1:1 as 50% of their children are affected with disease.
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Grade: 5-9.
Subject: Biology
Subchapter: Genetics
Keywords: Autosomal dominant genetic disorder, color-blindness, X-linked recessive trait, phenotypic ratio.
The phenotypic ratio of neurofibromatosis gene will be 1:1 that is the 50% of the offspring will be affected.
Further Explanation:
Homozygous is the condition in which a particular gene has similar alleles present on a homologous chromosome. While on the contrary heterozygous condition is when a particular gene has dissimilar alleles present on the homologous chromosome.
If we take an example of Height where (T) represent tall and (t) represents dwarf, the homologous and heterologous condition can be represented as,
TT – tall homozygous condition
Tt- tall heterozygous condition
Autosomal dominant genetic disease- In this condition only one ‘dominant’ gene is enough to cause a disease or a condition. This occurs in only autosomes that is 22 pairs of chromosome other than one sex chromosome. In short the diseases which are caused by transfer of dominant autosomes which are affected are autosomal dominant genetic disease.
Neurofibromatosis- This is a genetic disorder which causes development of tumors in nerve tissue. These tumors can develop in any part from nerves, spinal cord or brain.
Let us consider the condition given in the problem,
Woman is heterozygous for neurofibromatosis- Nn
Man is homozygous recessive for neurofibromatosis- nn
The gametes which can be formed from Nn is N and n, while from nn two gametes n and n can be formed as shown in the image attached below.
The punnett square showing the number of offspring there genotype and phenotypes can be visualized in the image attached below.
We have the genotypic and phenotypic ratio as,
Genotypic ratio- 1 : 1
1 heterozygous dominant: 1 homozygous recessive
Phenotypic ratio- 1 : 1
1 neurofibromatosis: 1 non- neurofibromatosis
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Answer Details:
Grade: High school
Subject: Biology
Chapter: Genetics
Keywords:
Heterozygous, homozygous, neurofibromatosis, dominant, recessive, genetic disease, color blindness, children, offspring, phenotypic ratio, genotypic ratio, Heterozygous dominant, homozygous recessive.
20 POINTS!!
If the tip of a sugarcane plant is removed from the field, even then it keeps on growing in length. Why?
Answer:
Because Intercalary meristems are found in the the stem part of the sugarcane in whole length.
Explanation:
As we have studied about meristem regions, that these are the regions found at the nodal areas which are able of cell division and growth. Intercalary meristem are present in the nodes of sugarcane stem which lead to the rapid increase in elongation of stem.Intercalary meristem are located at the base of leaves and nodes that leads to the increase in length. On the tip of sugarcane, apical or tip region meristem are found. When the tip region is removed, the presence of intercalary meristems play the role by facilitating the elongation of stems in sugarcane.Please see attached image for better understanding.
Hope it helps!
Which of the following is NOT an example of bias?
A. Anti biofuel article written by a journalist working for an oil company.
B. Pro ADHD medicine article written by pharmaceutical company.
C. Pro high fructose corn syrup advertisements paid for by corn farmers.
D. Anti smoking article written by the National Health Association.
Answer: D. Anti smoking article written by the National Health Association.
Explanation:
Biasness can be define as the process of manipulating the evidences and sources so as to make profit. The biasness can be seen in the advertisement and research works so as to support the sales of a new product or innovation.
D is not biased because the article has been from a authentic source any discrepancy and manipulation cannot be observed as the results are obtain from experimental and observatory trials instead of external influence.
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Pick out the correct sentences that correctly characterize life in the intertidal zone.
The intertidal zone is mostly made up of soft body organisms that don't require much protection. Organisms use s uckers to anchor themselves to rocks. The spray zone is the most exposed to the elements outside the sea. The high-intertidal zone sees vast quantities and diversity in vegetation Nudibranchs are mostly found in the high-intertidal zone. The low-intertidal zone is characterized by small pools of water.
Answer:
Here's what I get
Explanation:
TRUE:
Organisms use s_uckers to anchor themselves to rocks. Examples are starfish and sea urchins.
The spray zone is the most exposed to the elements outside the sea. It is above high-water level, so organisms here must cope with exposure to air, heat, cold, and predators.
FALSE:
The intertidal zone is mostly made up of soft body organisms that don't require much protection. Instead, most of the animals in the intertidal zone have hard protective shells.
The high-intertidal zone sees vast quantities and diversity in vegetation. Instead, it is dry for long periods between high tides, so it is inhabited only by sea life that can withstand pounding waves.
Nudibranchs are mostly found in the high-intertidal zone. Instead, nudibranchs have soft bodies, so they inhabit the lower intertidal zone.
The low-intertidal zone is characterized by small pools of water. Instead this region is usually under water except at low tide.
Final answer:
In the intertidal zone, organisms have adaptations to survive dry periods and wave damage, with tough exoskeletons being common. The spray zone is most exposed, while the low intertidal zone has tide pools; but high-intertidal vegetation is sparse.
Explanation:
The intertidal zone is the region between high and low tide, constituting an environment that varies with the ebb and flow of tides. Organisms in this zone are adapted to being dry for extended periods and can withstand the damage from waves. The correct characterization of life in this zone includes organisms having adaptations such as tough exoskeletons to protect against desiccation and wave action, rather than being mostly composed of soft-bodied organisms.
The spray zone is indeed the most exposed to air and the elements, and the low intertidal zone often features small pools known as tide pools. However, the high intertidal zone is not characterized by vast quantities of vegetation due to the harsh conditions preventing many plants and algae from establishing themselves. Thus, the statement about a high diversity of vegetation in the high-intertidal zone and the presence of nudibranchs is incorrect; nudibranchs are more typical of other zones.
Which type of traits are determined by more than one gene?
When the quadriceps contact what also must happen at the same time?
A. The gastrocnemius must contract.
B. The hamstrings must relax.
C. The hamstrings must contact.
D. The gastrocnemius must relax.
Answer:
B. The hamstrings must relax.
Explanation:
When the quadriceps contact, the hamstrings must relax at the same time.
Can you put these cats in the right order (from Largest to Smallest) according to their actual real-life size?
Answer:
I would say it goes something like this: Siberian Cat, British Shorthair, Turkish Van, and then Ragdoll Cats.
Explanation:
Siberian Cat Length - 17 to 25 inches, up to 25 lbs
British Shorthair Length- 22 to 25 inches, about 17 lbs
Turkish Van Length- I could not find the exact length, but they weigh less than the British Shorthairs, which are at 17 lbs, while the Turkish Vans weigh in at about 12-14 lbs.
Ragdoll Cat Length- Also could not find length, but they weigh about 8-15 lbs.
I hope this somewhat helps. Have a great day!
Answer: ADCB
Explanation: I did a few tries to find out the answer to this. It turns out it was this one! Your welcome for the answer! :)
Why do gametes contain half the number of chromosomes as body cells?
Answer:
Explanation:
This is because meoisis division occurs in gamates which are sperm cell and egg cell . And in meoisis division the number of chromosomes for the daughter cells is half the number of chromosomes that the parent cell have. This is because when there is a fussion of male and female sex cells ,the zygote which is the daughter cell should have the 46 chromosomes which is the normal chromosomes for humans and when this chromosomes are in pairs then they should be in 23 pairs of chromosomes which are haploid and later be used for another cycle when the person matures and ready to reproduce
Gametes such as sperm and eggs contain half the number of chromosomes as body cells to ensure that upon fertilization, the resulting zygote has the correct number of chromosomes.
Body cells, also known as somatic cells, are diploid, which means they have two sets of chromosomes - one from each parent, totaling 46 chromosomes in humans. On the other hand, gametes, which are reproductive cells like sperm and eggs, contain half the number of chromosomes, or 23 in humans. This is because they are produced through a special type of cell division called meiosis.
During meiosis, the chromosome number is reduced by half to ensure that when two gametes merge at fertilization, the resulting zygote will have the correct number of chromosomes. Each parent contributes one set of chromosomes, so the zygote is equipped with a complete set, maintaining the species' chromosome number. This process not only allows for sexual reproduction but also introduces genetic variation, which is vital for the viability and evolution of a species.
It is important to correct the misconception that body cells are called gametes. In fact, the body cells, or somatic cells, have double the chromosomes found in gametes. Gametes are specifically designed to contain half so that normal diploidy is restored upon fertilization.
10. If two species occupy the same space, how might they adapt to avoid interspecific competition?
A. One species will start using another food source if possible.
B. Species don't avoid interspecific competition
C. The more adaptable species will quickly change their genes to eat another food.
D. The stronger species will cause the weaker species to die out in that area.
Answer:
A. One species will start using another food source if possible
Explanation:
Naturally, it is rare to see different species sharing the exact niche. They may feed on the same things but their diets may consist of a variety of sources. So one way to avoid interspecific competition is that one or both of the species can feed on another type of food source. Another way they can avoid this as well is change in feeding patterns, meaning they would feed at different times. Like one can eat at night, and the other would eat in the morning.