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Ierofanga [76]
2 years ago
15

What is the relation between a chromosome and dna

Biology
1 answer:
USPshnik [31]2 years ago
7 0

Chromosomes are DNA coiled tightly around proteins for structure. So chromosomes are made of DNA

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Put the steps of DNA Replication in the correct order.
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Answer:

1. The 2 bases forming each rung of the 'ladder' snap apart. This is caused by an enzyme that passes along the strands, 'unzipping' it

2. Spare nucleotides (in the nucleus of the cell) attach themselves to the 'broken rungs' to repair the break. Each repairing nucleotide is identical to the broken one

3. As each 'broken rung' is repaired, two 'ladders' form, that is 2 identical strands of DNA. The 'repairing' is really the process of replica

Explanation:

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