$tRNA$ is composed of about how many nucleotides
$50$ to $55$
$75 $ to $90$
$92$ to $98$
More than $100$
Out of the two strands of $DNA$ one is carrying genetic information for transcription and it is called
The structure present over chromosome is
The segment of $DNA$ which acts as the instrumental manual for the synthesis of the protein is:
Mark the correct one (w.r.t. application of $DNA$ fingerprinting)
Genetic codes are