The type of linkage present between nucleotides is: NTS PST (A)2021 (7:30)
a) Glycosides
b) Purines
c) Phosphodiester
d) Peptide
When James Watson and Frencis Crick determine the structure of DNA?
a) 1953
b) 1962
c) 1972
A nucleotide is formed of which of the following units?
a) nitrogen base and phosphate
b) nitrogen base, sugar and phosphate
c) nitrogen base and sugar
d) sugar and phosphate
Double-helix structure of DNA is discovered by
a) GobindKhurana
b) Nirenberg
c) Watson and Crick
d) Darwin
What is DNA replication?
a) Conservative
b) Non-conservative
c) Semi-conservative
Semi-conservative DNA replication was first demonstrated in…………
a) Drosophila melanogaster
b) Escherichia coli
c) Streptococcus pneumonae
d) Drosophila melanogaster
