The mrna codons 5'-caa-3' or 5'-cag-3' are translated as the amino acid glutamine by ) the trna with an anticodon 5'-guu-3' and glutamine at its other endb) by trna molecules that have been charged with glutamine by two different aminoacyl-trna synthetasesc) separate trna molecules with anticodons 3'-guu-5' and 3'-guc-5', respectivelyd) the same trna with the anticodon 3'-guu-5'e) the small and large ribosomal units

c) separate tRNA molecules with anticodons 3'-GUU-5' and 3'-GUC-5', respectively.

Explanation:

Glutamine would be covalently linked to two different tRNA molecules encoding the 3'-GUU-5' and one containing the 3'-GUC-5'. Only one would be allowed to bind to the P-site of the ribosome at a time.

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