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Solving time: 2 mins

DNA is very long. It is accommodated in small sized nucleus by

A
DNA-ase digestion

B
Super coiling

C
Elimination of repetitive DNA

D
Deletion of non-essential genes

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DNA is very long. It is accommodated in the small-sized nucleus by super coiling. The enzyme topoisomerase helps in the supercoiling of the DNA which helps in packaging and some biological process. The super coiled DNA is uncoiled during the process of transcription and translation. During transcription the enzyme helicase cuts the phosphate backbone and separates the two super coiled DNA strands while the topoisomerase balances the strain and prevents the recoiling of the DNA.
So, the correct answer is option B.
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Question Text
DNA is very long. It is accommodated in small sized nucleus by
TopicMolecular Basis of Inheritance
SubjectBiology
ClassClass 12
Answer TypeText solution:1
Upvotes141