Question

Use the mutations lab to answer the following questions. ldentify which DNA base triplet from the lab was mutated by clicking on one of its nucleotides. The most 3 DNA triplet corresponds with the mRNA codon that codes for methionine 3 How does this mutatian change the prolein being synthesized? O Histidine is replaced with arginine in the polypeptide chain. O Cysteine is replaced with serine in the polypeptide chain. O Alanine is replaced with valine in the polypeptide chain Threonine is replaced with lysine in the polypeptide chain.

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Answer #1

1. Correct answer:- (d) threonine is replaced by lysine in the polypeptide chain.

2. Correct answer:- (a) Met His Trp Thr Met Phe Ala Lle.

3. Correct answer:- (a) insertion mutation
Explanation:-
(i) Insertion :- it is the addition of one or more nucleotide base pairs into a DNA sequence.

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