Question: Which of the following statements best describes the eukaryotic chromosome?

Answer: It consists of a single linear molecule of double-stranded DNA plus proteins.

Question: During DNA replication, which of the following enzymes covalently connects segments of DNA?

Answer: ligase

Question: Which of the following enzymes synthesizes short segments of RNA?

Answer: primase

Question: If a cell were unable to produce histone proteins, which of the following would be a likely effect?

Answer: The cell’s DNA couldn’t be packed into its nucleus.