$A$: Polypeptide sequences are dictated by $DNA$ and represented by $mRNA$.
$R$: Sequence of amino acids in a polypeptide can be predicted by the exact sequence of nucleotides on the $mRNA$ and template $DNA$.
$R$: Sequence of amino acids in a polypeptide can be predicted by the exact sequence of nucleotides on the $mRNA$ and template $DNA$.
- AAssertion and Reason both are correct and Reason is the correct explanation of Assertion.
- BAssertion and Reason both are correct but Reason is not the correct explanation of Assertion.
- CAssertion is correct,but Reason is incorrect.
- DBoth Assertion and Reason are incorrect.
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Similar Questions
$(i)$ The codon is read in mRNA in a contiguous fashion. There are no punctuations.
(ii) Some amino acids are coded by more than one codon.
(iii) $UUU$ would code for phenylalanine.
(iv) $GAA$ is a stop terminator codon.
Comparing the above statements (i-iv),select the correct option marked with $T$ (True) and $F$ (False) with respect to the salient features of the genetic code.
(ii) Some amino acids are coded by more than one codon.
(iii) $UUU$ would code for phenylalanine.
(iv) $GAA$ is a stop terminator codon.
Comparing the above statements (i-iv),select the correct option marked with $T$ (True) and $F$ (False) with respect to the salient features of the genetic code.
Select the incorrect statement$(s)$.
$i.$ Six codons do not code for any amino acid.
$ii.$ Codon is read in $mRNA$ in a contiguous fashion.
$iii.$ Three codons function as stop codons.
$iv.$ The initiation codon $AUG$ codes for methionine.
$i.$ Six codons do not code for any amino acid.
$ii.$ Codon is read in $mRNA$ in a contiguous fashion.
$iii.$ Three codons function as stop codons.
$iv.$ The initiation codon $AUG$ codes for methionine.
Medium
View SolutionThe possibility of a three-letter genetic code was first suggested by:
Easy
View SolutionHow many genetic codons are considered stop codons (nonsense codons)?
Medium
View SolutionWhich one of the following pairs is correctly matched with regard to the codon and the amino acid coded by it?
MediumAIIMS 2004
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