Even Though DNA Polymerase Has a Proofreading Function, It Still

question 54

Multiple Choice

Even though DNA polymerase has a proofreading function, it still introduces errors in the newly synthesized strand at a rate of 1 per 10⁷ nucleotides.To what degree does the mismatch repair system decrease the error rate arising from DNA replication?

• A)2-fold
• B)5-fold
• C)10-fold
• D)100-fold

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Definitions:

Neoplasms

Neoplasms are abnormal growths of tissue that arise from uncontrolled, progressive multiplication of cells and can be benign or malignant (cancer).

Accompanying Figure

Auxiliary visual material, such as a diagram or graph, provided to support or illustrate textual information.

Telomerase

An enzyme that adds telomere sequences to the ends of chromosomes, helping to maintain their integrity during cell division.