BIO NMDCAT Ribonucleic acid (RNA)

nmdcat.online July 3, 2026

69. The region of a tRNA molecule that is responsible for its unique specificity towards a particular aminoacyl-tRNA synthetase enzyme is the

A. Poly-A sequence

B. Variable loop and acceptor stem

✓

C. Only the terminal adenine residue

D. 5' triphosphate cap

📝 Explanation

Specific identity elements scattered across the acceptor stem and variable loops allow the synthetase to accurately identify its matching tRNA.

📖 Additional Information

Poly-A sequence
Variable loop and acceptor stem
Only the terminal adenine residue
5' triphosphate cap

Specific identity elements scattered across the acceptor stem and variable loops allow the synthetase to accurately identify its matching tRNA.

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