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shepuryov [24]
2 years ago
10

Which process divides the chromosomes in the cell before dividing?

Biology
2 answers:
RoseWind [281]2 years ago
6 0

Answer:

option A says mitosis only

Kazeer [188]2 years ago
4 0
I think it’s gonna be a
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White raven [17]

Answer:

Option (d).

Explanation:

DNA is the genetic material of all the organism except some viruses. DNA is composed of nitrogenous base, deoxyribose pentose sugar and the phosphate group.

DNA replicatese by semi-conservative mode of replication in which one the daughter DNA consists of one newly synthesized strand and one parental strand. This mode of replication was explained by Messelson and Sthal experiment. The cells from 15N medium are transferred to 14N medium the band of intermediate density was observed. The daughter DNA consists of one 15N DNA strand and one 14N DNA strnd. This strand undergo replication in the 14N medium. This time one low density DNA band ( contains 14N - 14N DNA strand) and one intermediate density band ( 14N-15N DNA).

Thus, the correct answer is option (d).

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3 years ago
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Pani-rosa [81]

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It is one of the five major divisions of the brain which is most developed.

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