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Cellular and Molecular Biology

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Mutations Affecting DNA Replication II

CELLS-ATZUBL

A gene encoding one of the following proteins (or one of its subunits) has sustained a mutation that renders the protein nonfunctional. The phenotypic effect of this mutation is that attempted DNA replication results in a collection of very short RNA fragments but no DNA.

Which protein is not functioning?

A

DNA helicase.

B

DNA ligase.

C

DNA polymerase.

D

DNA primase.