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ira [324]
3 years ago
14

What is different about the compactness of DNA when a gene is turned on versus turned off.

Biology
1 answer:
Mnenie [13.5K]3 years ago
3 0

Answer:

Explanation:

Gene expression is a tightly regulated process that allows a cell to respond to its changing environment. It acts as both an on/off switch to control when proteins are made and also a volume control that increases or decreases the amount of proteins made.

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If the DNA content of a diploid cell in prophase I is x, what would it be for the same cell at prophase II?
pentagon [3]
<span>A is the correct answer. Diploid cells all contain two sets of chromosomes. Prophase 1 occurs during the first phase of meiosis, a type of cell division, and prophase 2 is the same process, but this time occurring without chromosome reduplication. As a result, there is the original and duplicated cells, which makes two.</span>
8 0
3 years ago
Mitosis can occur in both haploid and diploid cells, but meiosis cannot occur in haploid cells. Why not?.
allochka39001 [22]

Mitosis can occur in both haploid and diploid cells because it is equational division where the number of chromosomes remain the same after division. But meiosis cannot happen in haploid cells because it is reductional division and haploid cells do not have any extra copy of chromosomes to be halved.

Mitosis is the cell division where the number of chromosomes do not change after cell division. It usually happens in the somatic cells of the body. Cancer cells also undergo mitosis

Meiosis is the cell division where the number of chromosomes are halved after cell division. The process of meiosis occurs in two phases: meiosis I and meiosis II. The germ cells of the body undergo meiosis.

To know more about mitosis, here

brainly.com/question/26678449

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4 0
1 year ago
In the image is the blood hypertonic, isotonic, or hypotonic compared
BabaBlast [244]

Answer:

Hypotonic

Explanation:

there is less concentration in the blood compared to the brain

7 0
3 years ago
PLSSSSSSSSSSSS HELPPPPPPPPPPPPPPP ASAPPPPPPPPPPPPPPPPPPPPPPP!
lys-0071 [83]

Answer:

To maintain this balance, the Hardy-Weinberg Equilibrium Principle states that a population should meet five main assumptions. There should be random mating, large population size, no mutation, no selection on the gene in question, and no gene flow in or out of the population.

Explanation:

3 0
3 years ago
(WILL GIVE BRAINLIST) A student investigated the effect of root space on plant growth. The student grew two groups of plants of
My name is Ann [436]

Answer:

Throughout the experiment at hand, the student will likely find that root space does indeed effect the length to which plantswill grow. Although I could not locate the table online, I will offer a general hypothesis for what the experiment will conclude. The student is testing the effects of root space on the way plants grow. The students experiment is well designed, keeping many variables constant and making sure that the amount of root spaceis the only difference between the plantsensures the accuracy of the experiment. Since we know that the experiment is well designed we are able to directly infer the effects of root space limitations without having to account for other factors. We can assume that the limited root space will in turn limit the extent to which a plant can grow. This is because plants need larger and deeper roots to support extended growth. Therefore, the plants in group Bwill grow smaller than those in group A.

Explanation:

mark me brainliest!!

8 0
2 years ago
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