Questions
If the sequence of bases in the coding strand of DNA at a cistron is 5ʹ ATGTCATGGCCCTTATAA 3ʹ, the sequence of amino acid in a polypeptide would be.
a
Methionine → Serine →Tryptophan → Proline → Isoleucine
b
Methionine → Serine →Tryptophan → Proline → Phenyl alanine
c
Methionine → Serine →Tryptophan → Proline → Leucine
d
Methionine → Threonine →Tryptophan → Proline → Leucine
detailed solution
Correct option is C
The sequence of coding strand of DNA and the mRNA is same except in Uracil and Thymine. The codons and corresponding amino acids are AUG – Methionine, UCA – Serine, UGG – Tryptophan, CCC – proline, UUA – Leucine and UAA is a non-sense codon (does not indicate any amino acid).Talk to our academic expert!
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The process of polymerisation of amino acids to form a polypeptide is
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