In E. coli, aminoacyl-tRNA synthetases:
A) activate amino acids in 12 steps.
B) are amino acid-specific; there is at least one enzyme specific for each amino acid.
C) fall into two classes, each of which attaches amino acids to different ends of the tRNA.
D) have no proofreading activities.
E) require a tRNA, an amino acid, and GTP as substrates.
Correct Answer:
Verified
Q1: Which step is NOT one of the
Q2: Formation of the ribosomal initiation complex for
Q4: Which statement is TRUE for protein synthesis
Q5: Which statement describes a feature of the
Q6: Bacterial ribosomes:
A) bind tightly to specific regions
Q7: In the "activation" of an amino acid
Q8: Which statement is TRUE about the genetic
Q9: In bacteria the elongation stage of protein
Q10: The enzyme that attaches an amino acid
Q11: Assuming that the average amino acid residue
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