Which organism was used by Beadle and Tatum to proposed one gene-one enzyme hypothesis
E.coli
Nostoc
Drosophila
Neurospora
In protein synthesis, which of the following are required for the synthesis of charged $tRNA$?
Assertion: Polytene chromosomes have a high amount of $DNA$.
Reason: Polytene chromosomes are formed by repeated replication.
On which plant Taylor and his colleagues made experiment by using radioactive thymidine ?
In which form of $RNA$ most nucleotides are in modified form
Which of the following enzyme can form $RNA$ from $DNA$