Which of the following structures are present in core particle of nucleosome?
Octamer of histone proteins
$200$ bp of $DNA$
Non-histone proteins
Linker $DNA$
At a particular locus, frequency of $‘A’$ allele is $0.6$ and that of $‘a’$ is $0.4$. What would be the frequency of heterozygotes in a random mating population of equilibrium
Which one of the following hydrolyses internal phosphodiester, bonds in a polynucletide chain
The possibility of three letter genetic code was pointed out by