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Why Are There Only 45 Different TRNA Anticodons Rather Than

Question 92

Multiple Choice

Why are there only 45 different tRNA anticodons rather than 64 to match each of the mRNA codons?


A) The first nucleotide of a tRNA anticodon allows some flexibility or "wobble."
B) The second nucleotide of a tRNA anticodon allows some flexibility or "wobble."
C) The third nucleotide of a tRNA anticodon allows some flexibility or "wobble."
D) The remaining 19 tRNA anticodons are used for initiation and termination of protein synthesis.

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