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Scilla [17]
2 years ago
9

There are only about 40 different tRNAs in a cell even though 61 codons code for amino acids. This discrepancy can be attributed

to the fact that the first nucleotide in the anticodon can base-pair with more than one nucleotide in the codon. This phenomenon is known as __________ and is, in part, due to __________ and the presence of __________ at this position in some tRNA molecules.
Biology
1 answer:
bogdanovich [222]2 years ago
3 0

Answer:

The correct answer is - wobble; the curvature of the anticodon loop; inosine.

Explanation:

The wobble phenomenon or hypothesis tells that why there are multiple codons are present for a single amino acid. 20  amino acids are coded by 61 codons. It states that tRNA can identify and attach to more than one amino acid due to the curvature of the anticodon loop.

The curvature of the anticodon loop is that the base at the 1st position on the anticodon to binding but the less-precise base pairs that can arise between the 3rd base of the codon. The inosine is the nucleoside that presents in a position in the curvature of the anticodon loop and its position responsible for wobble as well.

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