What Is True About DNA Polymerases

question 31

Multiple Choice

What is true about DNA polymerases?

• A) There are at least five structural classes.
• B) All have finger and thumb domains that wrap around the DNA.
• C) All catalyze the same reaction, which requires metal cofactors.
• D) All the answers are correct.
• E) There are five structural classes, and all catalyze the same reaction, which requires metal cofactors.

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