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Question
Listed below are some amino acids and their corresponding mRNA codons:
| Amino acid | mRNA codons |
| Phenylalanine | UUU |
| Lysine | AAG |
| Arginine | CGA |
| Alanine | GCA |
Select the DNA sequence that would code for the following polypeptide sequence:
Polypeptide: Alanine - Arginine - Lysine - Phenylalanine
Options
CGT GCT TTC AAA
CGT GCT TTC TTT
CGU GCU UUC AAA
CGU GCU UUC TTT
MCQ
Solution
CGT GCT TTC AAA
Explanation:
Polypeptide sequence:
Alanine - Arginine - Lysine - Phenylalanine
mRNA : GCA - CGA - AAG - UUU
DNA : CGT - GCT - TTC - AAA
shaalaa.com
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