1. Genetic code SECOND POSITION Codon table Wobble table Cys Stop mRNA RNA His H
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1. Genetic code SECOND POSITION Codon table Wobble table Cys Stop mRNA RNA His His Gin Gin C, U Pro Leu (Met)*Pro A, G C, A, U Lys Met (Start) Lys Gly Gly Asp Val Val Val Val (Met)* Ala Ala Ala Ala Asp a. What amino acid(s) do the following codons code for? i. 3' CAU 5 ii. 5' CAA 3' b. What codon(s) encode for the following amino acids? Include directionality i. Asp ii. Cys c. A tRNA has the anticodon 5' IGA 3'. (1) What codon (s) can it bind to? Include directionality. (2) What amino acid(s) will be attached to this tRNA? d. The sequence of a given mRNA is 5' AUGUAG 3'. If the amino acid sequence of the protein made from this mRNA is Met-Cys-Val, this would mean the genetic code is (OVERLAPPING/NON-OVERLAPPING)Explanation / Answer
amino acids for codons 3’CAU5’ =Tyr 5’CAA3’= Gln Codons for amino acids Asp= 5’GAU3’ or 5’ GAC3’ Cyc = 5’ UGU3’ or 5’ UGC3’ tRNA 5’ IGA3’ can bind to 5’CCU3’ ,5’ACU3’, 5’UCU3’, 5’AUU3’,5’UUU3’ Amino acids attached to this tRNA Pro, Thr, Ser, lle, Phe The sequence of given mRNA 5’ AUGUAG3’ gives Met-Cys-Val that means it is overlapping genetic code.
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