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).
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Hydrogen peroxide may be used as a sterilant on living tissue
Indicate whether this statement is true or false.
In an evolutionary context, ________ structures do not currently have a function in present-day organisms
Fill in the blank(s) with correct word
The multiple sites of DNA replication along eukaryotic chromosomes are known as
A) replicons. B) centromeres. C) telomeres. D) plasmodesmata. E) targets of rapamycin.
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.