T

3| DNA synthesis starts again on the upper strand, at the fork, each time proceeding away from the fork until it runs out of template.

3| DNA synthesis starts again on the upper strand, at the fork, each time proceeding away from the fork until it runs out of template.

^ DNA synthesis on this strand is discontinuous; short fragments of DNA produced by discontinuous synthesis are called Okazaki fragments.

Lagging strand

Discontinuous DNA synthesis

^ DNA synthesis on this strand is discontinuous; short fragments of DNA produced by discontinuous synthesis are called Okazaki fragments.

Lagging strand

Discontinuous DNA synthesis

Leading strand

Continuous DNA synthesis

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