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A zebra cell is just about to replicate its DNA. What happens first? An RNA molecule attaches to a DNA molecule. The DNA folds over on itself to create a dense chromosome. Enzymes unwind the DNA molecule
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A zebra cell is just about to replicate its DNA. What happens first?

An RNA molecule attaches to a DNA molecule.
The DNA folds over on itself to create a dense chromosome.
Enzymes unwind the DNA molecule into two strands.
The DNA molecule attaches to proteins.

User Ravi Parsania
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Answer:

Enzymes unwind the DNA molecule into two strands.

Step-by-step explanation:

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User Ioquatix
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