Question 1 of 9 After a virus infects a new host, it begins to reproduce. Which statement about viral reproduction is correct?
A virus must complete interphase before entering mitosis
A virus cannot reproduce on its own and depends on the host cell
A virus depends on the host to reproduce, because the virus does not contain DNA or RNA

You have just sequenced a new protein found in mice and observe that sulfur-containing cysteine residues occur at regular intervals. what is the significance of this finding? it will be important to include cysteine in the diet of the mice. cysteine residues are required for the formation of α helices and β pleated sheets. cysteine residues are involved in disulfide bridges that form tertiary structure. cysteine causes bends, or angles, to occur in the tertiary structure of proteins.