The total number of nitrogenous bases in human genome is estimated to be about
$3.5$ million
$35$ thousand
$35$ million
$3.1$ billion
In $t-RNA$
Heterogenous nuclear $RNA$
The possibility of three letter genetic code was pointed out by
For providing evidence in favour of semiconservative way of $DNA$ replication; Taylor, Woods and Hughes performed experiments on
Length of $DNA$ in $E$. coli is