Multiple Choice
Aminoacyl-tRNA synthetases are enzymes that
A) catalyze loading of an anticodon onto the 3? end of a tRNA.
B) catalyze loading of an amino acid onto the 3? end of a tRNA.
C) catalyze loading of an amino acid onto the anticodon loop of a tRNA.
D) act as chaperones to fold tRNA into its functional L-shaped tertiary structure.
Correct Answer:
Verified
Correct Answer:
Verified
Q17: Nascent polypeptides exit the ribosome via<br>A) the
Q18: What is a molecular chaperone?<br>A) A protein
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
Q23: The stop codon is recognized by<br>A) a
Q24: Does a special tRNA bind to the
Q25: Which step of translation requires mRNA decoding
Q26: Explain (or draw a clearly labeled diagram)
Q27: Describe a toeprint assay involving mammalian ribosomal