34. Nucleic Acids

During the formation of nucleic acid polymers, what molecule is removed?

Which of the following techniques is not based on nucleic-acid hybridization?

How do restriction enzymes cut $DNA$ sequences?

Which of the following molecules is used to make radioactively labeled $DNA$?

Why does $\mathrm{DNA}$ move from the negative end of the gel to the positive end during gel electrophoresis?

Which nitrogenous base is present in $\mathrm{RNA}$ but not in $\mathrm{DNA}$?

Why is $\mathrm{DNA}$ polymerase from Thermus aquaticus ideal for $\mathrm{PCR}$?

Which component of $DNA$ forms the backbone of the molecule?

A hydroxyl group is present at the $3^{\prime }$ end of the growing DNA strand. What functional group is typically found at the $5^{\prime }$ end?

Which of the following is a way $\mathrm{RNA}$ differs from $\mathrm{DNA}$?

Which of the following techniques can be used to determine the general location of radioactively labeled $\mathrm{DNA}$?

Which of the following factors can cause $DNA$ to mutate?

RNA contains which of the following nitrogenous bases?

Which of the following is a characteristic of $\mathrm{RNA}$?

What are the three components of a nucleotide?