What are two main reasons why DNA replication is so error-free?

What will be an ideal response?


DNA polymerase has a proofreading activity, and any mismatches not fixed using that mechanism
have a chance to be fixed by DNA repair mechanisms (mismatch repair).

Biology & Microbiology

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Hydrogen peroxide may be used as a sterilant on living tissue

Indicate whether this statement is true or false.

Biology & Microbiology

In an evolutionary context, ________ structures do not currently have a function in present-day organisms

Fill in the blank(s) with correct word

Biology & Microbiology

The multiple sites of DNA replication along eukaryotic chromosomes are known as

A) replicons. B) centromeres. C) telomeres. D) plasmodesmata. E) targets of rapamycin.

Biology & Microbiology

Why does HIV cause disease in people?

A) It produces a toxin. B) It destroys helper T cells. C) It stimulates the growth of memory cells. D) It causes the loss of plasma nutrients.

Biology & Microbiology