Majority of unusual bases are found in $tRNA, T \Psi C$ loop is
First loop from $5 '-$end of $tRNA$
$AA - tRNA$ synthetase binding loop
Ribosomal binding loop
Nodoc site
The formation of multivalents at meiosis in diploid organism is due to
$Y$ gene in lac operon responsible for .....
Assertion: $mRNA$ attaches to ribosome through its $3'$ end.
Reason: The $mRNA$ has $F-$ capsular nucleotide and bases of lagging sequence.
The chromosomes as thread like structures in nucleus was first described by
The total number of nitrogenous bases in human genome is estimated to be about