AP BIOLOGY

CELL DIVISION

THE CELL CYCLE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
During most of interphase, DNA is found in a relaxed form called
A
chromosome
B
centromere
C
centriole
D
chromatin
Explanation: 

Detailed explanation-1: -During interphase, the chromatin is structurally loose to allow access to RNA and DNA polymerases that transcribe and replicate the DNA. The local structure of chromatin during interphase depends on the specific genes present in the DNA.

Detailed explanation-2: -Throughout interphase, nuclear DNA remains in a semi-condensed chromatin configuration.

Detailed explanation-3: -During S phase of the eukaryotic cell division cycle, newly replicated DNA is rapidly assembled into chromatin.

Detailed explanation-4: -During interphase the DNA strands are uncoiled (uncondensed) in the nucleus. This uncondensed genetic material is called chromatin; thus an uncondensed chromosome can be called chromatin.

Detailed explanation-5: -The relaxed form of DNA that can be found in the nucleus is referred to as chromatin.

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