What was the name first given to $DNA$ by Friedrich Miescher?

Transformation was discovered by

The present concept of central dogma in retrovirus is given by . . . . . . in $1970$.

The result of which of the following reaction experiments carried out by Avery et al. on $Streptococcus \text{ } pneumoniae$ has proved conclusively that $DNA$ is the genetic material?

Which characteristics are possessed by the $S$ strain of $Streptococcus$ $pneumoniae$?

What is the main conclusion of Griffith's transformation experiment?