DNA exist in the form of……polynucleotide chains.
a) 2
b) 3
c) 4
d) 5
The…………carbon sugar and a phosphate group make the backbone of each chain
a) 2
b) 3
c) 4
d) 5
The strand of DNA are held together by …… bond.
a) oxygen
b) hydrogen
c) sulphur
d) carbon
DNA has the ability to………form generation to generation.
a) reproduce
b) store
c) transmit genetic information
d) all of these
The genetic information for the cell are contained in the form of specific codes in..… molecules.
a) DNA
b) RNA
c) both a & b
d) none of these
DNA also instruct how to synthesize a particular protein from…………
a) carbon
b) hydrogen
c) amino acid
d) oxygen
