The final proof for $DNA$ as the genetic material came from the experiments of
Hershey and Chase
Avery, MacLeod and McCarty
Hargobind Khorana
Griffith.
(a)
Describe in short about $RNA.$
The carrier of genetic information is
$DNA$ exists in a double-stranded form whereas $RNA $ is mainly a single stranded molecule. What is the likely reason for $DNA$ being double stranded?
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 $RNA$.
Genes are
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