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What is the count of unique DNA sequences that encode for the amino acid polypeptide RAGMPPM?...

What is the count of unique DNA sequences that encode for the amino acid polypeptide RAGMPPM? Assume that the DNA sequence has only exon nucleotides. Please provide justification for your answer

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Answer #1
Amino acid RNA DNA
R CGU/CGA/CGG/CGC/AGA/AGG GCA/GCT/GCC/GCG/TCT/TCC
A GCU/GCA/GCG/GCC CGA/CGT/CGC/CGG
G GGU/GGA/GGG/GGC CCA/CCT/CCC/CCG
M AUG TAC
P CCU/CCA/CCG/CCC GGA/GGT/GGC/GGG
P CCU/CCA/CCG/CCC GGA/GGT/GGC/GGG
M AUG TAC

DNA sequence number

= (6)×(4)×(4)×1×(4)×(4)×1

=1536

DNA sequence from the third column in sequencial manner represent

One of example is

GCA CGA CCA TAC GGA GGA TAC

Because some amino acids are coded by more than one RNA sequence. Each amino acid is coded by the three nitrogen bases. Out of which third position of amino acids is not playing important role in identification of amino acid by tRNA. It is wobble hypothesis. This is a reason for more than one RNA or DNA sequence code for single amino acid.

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