In chromosomes, the material controlling heredity is
$DNA$
Histones
Chromocentres
$RNA$
Which of the following is not correct for molecule acting as genetic material ?
$DNA$ contains
Recall the experiments done by Frederick Griffith, Avery, MacLeod and McCarty, where $DNA$ was speculated to be the genetic material. If $RNA$, instead of $DNA$ was the genetic material, would the heat killed strain of Pneumococcus have transformed the $R\,-$ strain into virulent strain ? Explain.
Name any three viruses which have $RNA$ as the genetic material.
Which property of $DNA$ double helix led Watson and Crick to hypothesise semiconservative mode of $DNA$ replication? Explain.