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Which of the statements most accurately describes the benefits of the proofreading function of DNA polymerase?
a. DNA polymerase is always present in the nucleus and can repair all mutations when they occur.
b. All DNA mutations can be detected and repaired during DNA replication.
c. DNA polymerase can repair most mutations as they occur during DNA replication.
d. DNA polymerase can be recruited to recently mutated sites to repair mutations.

Respuesta :

Statement c is the most accurate description of the benefits of proofreading by DNA polymerase.

A DNA polymerase belongs to a family of enzymes that facilitates the synthesis of DNA molecules from nucleoside triphosphates. This enzyme adds nucleotides to a DNA strand's three prime (3')-end position.

During replication, this enzyme connects nucleotides to create a new DNA strand. It also proofreads the new DNA strand and checks for any error or mutation. If detected, this helps to repair that error.

They can correct most of the mutations. But some mutations can escape and survive them. Therefore, not all mutations can be repaired by this enzyme.

To know more about DNA polymerase:

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