Describe the relationship between DNA and chromosomes

Answers

Answer 1

Answer: When a cell needs to duplicate, DNA strands are tightly coiled into chromosomes (chromosomes are made up of DNA and protein). Genes are certain stretches of DNA that code for a certain protein with a specific bodily function. On a chromosome, the location of the gene is called a locus.
DNA contains all the genetic material that decides a person's traits, such as hair color, eye color, etc. The DNA also passes on traits from the parents to the offspring, which is why children always have common traits with their parents. Genes carry the information needed to pass on these traits.
In summary, DNA, genes, and chromosomes are very similar in their 'composition', since genes are stretches of DNA that codes for certain proteins and chromosomes are made up of coiled DNA. Their functions are the same in the sense that they are all vital in passing on traits from the parent to the child, and therefore in determining the physical traits of the offspring.

Hope this helps! =')

Answer 2

Answer: DNA(Deoxyribonucleicacid)...it is the chemical in the cells of an animal or plant that controls what characteristics that plant or animal will have Chromosomes are the part of a cell in living things that decides the sex, character, shape etc...that a person, an animal or a plant will have.. Its my own opinion..

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At the present time both populations have the same number of individuals in which of these countries will the population growth over the next 20 years place the greatest strain on the enviorment
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In certain populations disruptive selection is occurring in this population which is most likely to survive1)organisms that are small 2) organisms that sexually select 3) organisms with average traits 4) organisms with extreme traits

Krebs cycle occurs in the ___ of a eukaryotic cell. Question 27 answers matrix of the mitochondrion cristae membranes of the mitochondrion nucleus cytoplasm

Answers

The answer to the question stated above is matrix of the mitochondria or matrix of the mitochondrion
Krebs cycle occurs in the matrix of the mitochondria of a eukaryotic cell.
Additional information:
>matrix of the mitochondria is the fluid filled interior of the mitochondria.

Final answer:

The Krebs Cycle occurs in the matrix of the mitochondrion of a eukaryotic cell, which is a part of the process of cellular respiration, generating energy for the cell.

Explanation:

The Krebs cycle, also known as the citric acid cycle or the tricarboxylic acid (TCA) cycle, takes place in the matrix of the mitochondrion of a eukaryotic cell. This cycle is a crucial part of cellular respiration, the process by which cells generate energy. During the Krebs cycle, the pyruvate molecules derived from glucose are oxidized and, in turn, produce ATP (adenosine triphosphate), the main source of cellular energy, and other high-energy compounds. The matrix of the mitochondrion provides the necessary environment and enzymes for this cycle to occur effectively.

Learn more about Krebs Cycle here:

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Explain how the human body cools itself.

Answers

Hi there!

There is a way that the human body cools itself, but it sounds so weird!

Did you know that when you sweat after doing something constantly, the sweat tries to cool the body down? It's true!

I learned this is physical science class, and we tested it for ourselves. We ran around a bunch of times around my old school and then we started sweating. Not too long afterwards, we started cooling down because of the sweat.

Weird, right?

Hope this helps!

Message me if you need anything else! :D

Whenever we sweat our body empty's salt out and we can cool of by simply our sweat drying. :)

it can be scientifically proven if you need reasons.

i really hope that this helps you a lot

The surface area of a sphere can be approximated as follows:Surface area = 4πr2;
where r is the radius of the sphere;
π is a constant that is roughly equal to 3.

Calculate the surface area of a sphere with a radius of 7 meters using the simple approximation above.

Answers

There are numerous information's already given in the question. Based on the information's provided, the answer can be easily deduced.
Radius of the sphere = 7 meters
Value of pi = 3]
Then
Surface area of the sphere in question = 4πr^2
= 4 * 3 * (7)^2
= 12 * 49
= 588 square meters.
From the above deduction, we can conclude that the surface area of the sphere in question is 588 square meters.

Bacteria come in assorted colors due to

Answers

Answer:

Different pigments.

Explanation:

Bacteria are the prokaryotic organisms that lacks the well developed nucleus. The endomembrane system is absent in bacteria and less cell organelle is present as compared with eukaryotic organism.

The bacteria are of different shape, size and colors. The colors of bacteria depend upon the type of pigment present in their body and the different wavelength of lights are absorbed by them. Pseudomonas contains the green color pigment pyoverdin and a blue pigment pyocyanin.

Thus, the answer is different pigments.

Bacteria come in assorted colors due to photosynthetic pigments.

Dog breeders have a purebred black male dog and a purebred white female dog of the same breed. When they bred these two dogs, all the F1 (first generation) offspring were black. Which term BEST describes the allele for blackness in this dog breed?a. heterozygous
b. homozygous
c. recessive
d. dominant

Answers

d. Dominant

It is dominant as...
The white coat alleles are recessive, meaning the black coat would most likely be dominant alleles. Assuming the black coated dog had the alleles of BB, and the white coated dog had the alleles ww, there would be a 100% chance that the offspring would have Bw alleles, where the black coat is dominant, "all the offspring were black".
B = Black, W = White
B B
w Bw Bw
w Bw Bw
The diagram above shows that the offspring would be 100% black coated.

Not sure if you wanted an explanation, but I tried.

Pre-industrial Revolution Bark (Light-colored)

Answers

Answer:

yes pre industrialization the the bark colour was light so the light coloured moths could easily camufladge in it but later on due to industrilization the bark bark turned dark which causes danger for the light colour moths\

Explanation:

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Another name for false productivity

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