Question 20 0.5 pts at is the correct amino acid sequence of this mRNA strand? m

Question

Question 20 0.5 pts at is the correct amino acid sequence of this mRNA strand? mRNA 5 UACCUG 3 Second base of codon Phenylalanine UCU TyrosineU Cysteine Leucine UCAser UCA ser STOP codon uco GSTOP codon A UUG eu UCG CAU Histidine CAChis CGC Arginine CUU CUAleu CCAProCAA Glutamine CGArg A CUG CCG CAGinCGG AAU Asparagine AGUSerine AUU AuC Isoleucine AUA ACC Threonine AAC asnAGC ser C ACAt thr AAA ysine AghingA tcodon GUU Aspartic acd GGU Valine GCCAlanineGACapGGC Glycine GCG Val-Lys Tyr-Leu Hist-Val Bananas

Explanation / Answer

Ans. mRNA is translated in 5’-3’ direction.

The 1st codon 5’-UAC-3’ encodes the amino acid Tyrosine (Tyr, Y).

The 2nd codon 5’-CUG-3’ encodes Leucine (Leu, L).

# Therefore, the correct amino acid sequence (from N- to C-ter) = Tyr-Leu

So, correct option is – II. Tyr-Leu

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