Naturally occurring nucleotides are of …… types.
a) 2
b) 3
c) 4
d) 5
The monomers of nucleic acids are called…..
a) nucleosides
b) nucleotides
c) phosphate group
d) none of these
Nucleotides are composed of………distinct parts.
a) 2
b) 3
c) 4
d) 5
Nucleotides are composed of…………
a) pentose sugar
b) nitrogenous bases
c) phosphate group
d) all of these
DNA structure was discovered by…………
a) J.Watson
b) F.Crick
c) both a & b
d) none of these
DNA was discovered in…………
a) 1951
b) 1953
c) 1952
d) 1954
