What is the main difference between natural and artificial selection in the context of organic chemistry?

In the context of organic chemistry, what is the typical percentage of $T$ in wheat DNA?

Bacteriophages can infect which of the following types of organisms?

Which of the following best describes the difference between allopatric and sympatric speciation?

Which functional group is most commonly found in alcohols?

Which of the following best describes the biological role of the $\mathrm{lac}$ operon in $\mathrm{E.} \mathrm{coli}$?

In which part of the cell does the $Calvin$ cycle occur?

Which of the following is a characteristic of a molecule with an $\mathrm{RNA}$ core genetic material?

In the context of organic chemistry, what are the primary products of the Calvin cycle?