Multiple Choice
What is a molecular chaperone?
A) A protein that binds to ribosomes at the rough ER membrane.
B) A protein that post-translationally modifies a nascent polypeptide by adding or removing a phosphate group.
C) A protein component of the large ribosomal subunit that helps with correct peptide bond formation.
D) A protein that helps a nascent polypeptide chain to adopt its correct three-dimensional fold.
Correct Answer:
Verified
Correct Answer:
Verified
Q13: The signal recognition particle (SRP) is a
Q14: tRNA was originally thought to be a
Q15: You are investigating a tRNA<sup> </sup>whose charging
Q16: Which of the following does not need
Q17: Nascent polypeptides exit the ribosome via<br>A) the
Q19: Do stop codons always specify termination? Explain
Q20: Diagram the two steps of aminoacyl-tRNA charging.
Q21: Transfer RNAs are thought to improve the
Q22: Aminoacyl-tRNA synthetases are enzymes that<br>A) catalyze loading
Q23: The stop codon is recognized by<br>A) a