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mspage1407 mspage1407
wrote...
Posts: 38
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6 years ago
During DNA synthesis at a replication fork,
why is one new strand of DNA synthesized in
a continuous fashion and the other new
strand synthesized in a discontinuous
fashion?
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wrote...
Educator
6 years ago Edited: 6 years ago, bio_man
Because DNA polymerase can only add new nucleotides to the 3' end of the primer. For the leading strand, the DNA unzips towards to the replication fork, hence it's continous growth. The opposite is true for the lagging strand, as it opens towards the opposite replication fork.
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