In DNA replication there are leading and lagging strands, because

A) DNA replication is conservative and a completely new DNA molecule must be made.
B) DNA replication is semiconservative and each strand is copied simultaneously in opposite directions.
C) the strands of DNA are parallel and are copied in the same direction simultaneously.
D) one strand of DNA is copied faster than the other.


Answer: B

Biology & Microbiology

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