Biology
Arnette210
7

A zebra cell is just about to replicate its DNA. Which of the following will happen first? The DNA folds over on itself to create a dense chromosome. RNA attaches to DNA. All of the cell’s DNA attaches to proteins. The DNA unravels to make two strands.

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(1) Answers
nakiawells

First, the two strands of DNA unwound, just like a zipper. D is the right one.

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