Who was awarded Nobel Prize for synthesis of $RNA$ in $1959$
S. Ochoa
A. Kornberg
H. Khorana
Nirenberg
Balbiani rings are sites of
Clover leaf secondary structure of $tRNA$ has a loop for
The chemical knives of $DNA$ are
The grouping of human chromosomes is based on
Average life span of $mRNA$ in eukaryotes is