An Alternative Repair System by Error-Prone Translesion DNA Synthesis Can

question 9

Multiple Choice

An alternative repair system by error-prone translesion DNA synthesis can result in a high mutation rate because:

• A) alternative modified nucleotides can be incorporated more readily.
• B) interference from the RecA and SSB proteins hinders the normal replication accuracy.
• C) replication proceeds much faster than normal, resulting in many more mistakes.
• D) the DNA polymerases involved cannot facilitate base-pairing as well as DNA polymerase III.
• E) the DNA polymerases involved lack exonuclease proofreading activities.

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