Which of the following is not a component of $DNA$?

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?

What are the consequences of having $\mathrm{pyrimidine}\mathrm{dimers}$ in $\mathrm{DNA}$?

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

What is the primary structural difference between $\mathrm{RNA}$ and $\mathrm{DNA}$?

What enzyme allows a retrovirus to synthesize $D_{N}A$ from an $R_{N}A$ template?

Which statement about $\mathrm{RNA}$ is correct?

How is $\mathrm{RNA}$ different from $\mathrm{DNA}$ in terms of structure and function?

Which is a major difference between messenger RNA ($m\mathrm{RNA}$) molecules and transfer RNA ($t\mathrm{RNA}$) molecules?