The Signal Sequences That Direct Proteins to the Nucleus Are

question 22

Multiple Choice

The signal sequences that direct proteins to the nucleus are:

• A) always at the amino terminus of the targeted protein.
• B) cleaved after the protein arrives in the nucleus.
• C) glycosyl moieties containing mannose 6-phosphate residues.
• D) not located at the ends of the peptide, but in its interior.
• E) the same as those that direct certain proteins to lysosomes.