The contribution of cytoplasmic $DNA$ in cells to total $DNA$ is
$1$ to $5\%$
$45$ to $50\%$
$65$ to $75\%$
$95$ to $99\%$
Crossing over takes place at a stage between
A complex of ribosomes attached to a singlestrand of $RNA$ is known as
Enzyme aminoacyl synthetase is responsible for
Which of the following inhibits protein synthesis by binding to $50 S$ ribosome