Answer the following about molecules involved in translation. A) A transfer RNA

Question

Answer the following about molecules involved in translation.

A) A transfer RNA has the anticodon 5’-GGG-3’. What amino acid is attached to it when it is charged?

B) A transfer RNA has the anti codon 5’-GGc-3’ What amino acid is attached to it when it is charged?

C) A transfer RNA has the anticodon sequence 5’-UAG-3’ What amino acid is attached to it when it is charged?

Second letter Phe UCU UCC UAU UAC UAA Stop UGA Stop A UAG Stop UGG Trp G Tyr UGU UUC UGcCys Leu UCA Ser UUGJ UCG CCU CUC Leu CCA CCA Pro CAC His CGU CCC Pro CAA GIn CGG CUU CGC Arg A CCG CUG AUU A AUA ACU AUC lle ACC ACA AUG Met ACG AAU AAC FASn Asn AGUU AGC AGA AGG Thr Lys Arg AAG GCA Ala GAc FAsp GGU GCC Ala GAA Glu GGG GUU GCU GUA Val GCC GCG GUG

Explanation / Answer

Answer:

Anticodon will attach on mRNA from 3'-5' and mRNA will be read from 5'=3'

So we need to rewrie the anticodon to 3'-5' and write codon of mRNA. Finally we will find amino acid along the mRNA codon.

A)

tRNA----5’-GGG-3’

tRNA---3'-GGG-5'

mRNA-5'-CCC-3'

amino acid: Proline

B).

tRNA- 5’-GGC-3’

tRNA-3'-CGG-5'

mRNA-5'-GCC-3'

Amino acid-Alanine

C).

tRNA- 5’-UAG-3’

tRNA-3'-GAU-5'

mRNA-5'-CUA-3'

Amino acid-Lucine

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