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what are the steps involved in DNA replication

DNA replication steps. There are three main steps to DNA replication: initiation, elongation, and termination. In order to fit within a cell's nucleus, DNA is packed into tightly coiled structures called chromatin, which loosens prior to replication, allowing the cell replication machinery to access the DNA strands.

The answer is B

Explanation:

it's supposed to represent a single covalent bond