Assertion: $mRNA$ attaches to ribosome through its $3'$ end.
Reason: The $mRNA$ has $F-$ capsular nucleotide and bases of lagging sequence.
If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
If the Assertion is correct but Reason is incorrect.
If both the Assertion and Reason are incorrect.
Clover leaf secondary structure of $tRNA$ has a loop for
Khorana got the Nobel Prize on
The chromosomes as thread like structures in nucleus was first described by
$A$ : $SNPs$-pronounced "snips" are common in human genome.
$R$ : It is minute variations that occurs at a frequency of one in every $300$ bases
Repressor of lac-operon