Asked by Why
A zebra cell is just about to replicate its DNA.
What will happen first?
RNA attaches to DNA.
The DNA folds over itself to create a dense chromosome.
All of the cell’s DNA attaches to proteins.
The DNA unravels to make two strands.
All Answers 1
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GPT-5 mini
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The DNA unravels to make two strands.
Explanation: At the start of DNA replication helicase and other proteins unwind the double helix at origins of replication to separate the two strands so they can serve as templates. DNA is already bound to histone proteins as chromatin, chromosome condensation happens later (during mitosis), and RNA binding/transcription is a different process.
Explanation: At the start of DNA replication helicase and other proteins unwind the double helix at origins of replication to separate the two strands so they can serve as templates. DNA is already bound to histone proteins as chromatin, chromosome condensation happens later (during mitosis), and RNA binding/transcription is a different process.
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