Biology, asked by Anonymous, 10 months ago

what is the DNA rpackaging

Answers

Answered by Anonymous

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DNA packaging :

Length of DNA double helix molecule, in

a typical mammalian cell is approximately

2.2 meters. (This can be worked out simply by

multiplying the total number of base pairs with

distance between the consecutive base pairs).

Approximate size of a typical nucleus is 10-6

m. How this long DNA molecule can be then

accommodated in such a small nucleus? It,

therefore, must be condensed, coiled and super

coiled to fit inside such small nucleus

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Answered by ItZCutiEGiRl

The process starts when DNA is wrapped around special protein molecules called histones. The combined loop of DNA and protein is called a nucleosome. Next the nucleosomes are packaged into a thread, which is sometimes described as "beads on a string". The end result is a fiber known as chromatin.

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