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dmitriy555 [2]
3 years ago
10

Explain the protective significance of chromosomes condensing into tight coils during mitosis.

Biology
1 answer:
antoniya [11.8K]3 years ago
6 0

Answer:

Chromosomes condense before mitosis to allow them the ability to move smoothly, without becoming entangled and breaking. (So, they are conveniently packaged for cell division, in which the chromosomes must move to both poles of the cell.)

Explanation: Otherwise it would be a massive mess to untangle and separate like a meesed up fishing reel jammed with line mixed together with the jammed lines from 3000 other messed up lines

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An individual with a protein deficiency typically experiences increased susceptibility to illnesses, muscle and joint pain, and
sladkih [1.3K]

Answer:

A protein deficiency causes such diverse symptoms because immune, nervous, and muscle system cells require proteins for structure and regulation.

Proteins are the building blocks of bones, muscles, cartilage, skin, and blood. They also help in transporting oxygen, helps in blood clotting during injuries etc.

Explanation:

6 0
3 years ago
Suppose two brown haired parents have a red haired child what are the genotypes of each parent? And what % for them to have red
Savatey [412]
1) B- brown;  b- red hair

 Having brown hair is a dominant trait while red hair is recessive.
If the parents had a red-haired child it means they were carriers of the red hair trait, so their genotype is  Bb
 
2)
Getting their genotypes together would result in the possibilities that you see at the image below.
1/4 = 25% BB - brown
2/4 = 50% Bb brown but carrier
1/4 = 25% bb red hair
Answer: 25%
 
3) The genotype of the child, as i said before would be bb. By having both alleles being recessive the child will show red-hair. If it was any other genotype( BB or Bb), the child would have brown hair, like their parents.

4 0
3 years ago
Read 2 more answers
What is an example of quantitative variation?
iVinArrow [24]

Height and body weight

7 0
3 years ago
Why do leaves change in fall
s344n2d4d5 [400]
Leaves change color due to changes in length of daylight and changes in temperatures, the leaves stop their food-making process. The chlorophyll breaks down, the green color disappears, and the yellow to orange colors become visible and give the leaves part of their fall splendor.

Sources - Google
8 0
4 years ago
In analyzing the number of different bases in a DNA sample, which result would be consistent with the base-pairing rules?
n200080 [17]

Answer:

b. A + G = C + T

Explanation:

Chargaff's rule states that<em> </em><u>a DNA molecule has the same amount of pyrimidines (T and C) as purines (A and G)</u>.

In the DNA, A pairs with T and G pairs with C. For that reason, the number of A bases has to be the same as the number of T bases, and the number of G has to be the same as the number of C.

4 0
4 years ago
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