An important difference between a class I and class II aminoacyl-tRNA synthetase is:
A) The two classes proceed through different aminoacyl-AMP intermediates.
B) Class I synthetases first attach the amino acid to the 2'-hydroxyl on ribose, whereas class II attach them to the 3'-hydroxyl.
C) Class I synthetases attach amino acids to the 5'-end of the tRNA, whereas class II attach them to the 3'-end.
D) The 5'-end of the tRNA molecule is phosphorylated only for those tRNAs recognized by class I synthetases.
E) None are true.
Correct Answer:
Verified
Q1: Which of the following statements is true
Q2: All are characteristics of ribosomal subunit assembly
Q3: Ribosomal proteins are typically rich in the
Q5: _ are the agents of protein synthesis.
A)
Q6: The anticodon of a tRNA is 5'UUG.
Q7: Codons representing the same amino acid or
Q8: Amino-acyl-tRNA synthetases catalyze the reaction of a:
A)
Q9: Which of the following is/are true regarding
Q10: Ribosomes constitute about _ of the dry
Q11: All are true for the "wobble position"
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