A $DNA$ strand is directly involved in the synthesis of following except
Another $DNA$
Protein synthesis
$tRNA$ molecule
$mRNA$ molecule
Which organism was used by Beadle and Tatum to proposed one gene-one enzyme hypothesis
Which one of the following ratio is constant in $DNAs$ of different species
Satellite $DNA$ is present in
Satellite $DNA$
In lac operon, the regulator gene codes for