Transforming principle in Griffith’s experiment was $DNA$. It was discovered by
Zinder and Lederberg
Avery, McLeod and McCarthy
Lederberg and Tatum
Zinder and Tatum
Who revealed biochemical nature of the transforming principle ? How was it done ?
During the course of evolution why $DNA$ was chosen over $RNA$ as genetic material ? Give reasons by first discussing the desired criteria in a molecule that can act as genetic material and in the light of biochemical differences between $DNA$ and $RNA$.
Which property of $DNA$ double helix led Watson and Crick to hypothesise semiconservative mode of $DNA$ replication? Explain.
Which scientist experimentally proved that $DNA$ is the sole genetic material in bacteriophage ?
A molecule that can act as a genetic material having characteristics .........