Transformation was discovered by
Meselson and Stahl
Hershey and Chase
Griffith
Watson and Crick.
Griffith have performed series of experiments on
Who revealed biochemical nature of the transforming principle ? How was it done ?
Transformation experiments using Pneumococcus bacteria led to the hypothesis that
$DNA$ is found primarily
$DNA$ exists in a double-stranded form whereas $RNA $ is mainly a single stranded molecule. What is the likely reason for $DNA$ being double stranded?