The couplings between base units of $$DNA$$ is through
A.
hydrogen bonding
B.
electrostatic bonding
C.
covalent bonding
D.
van der Waals’ forces
Answer :
hydrogen bonding
Solution :
In $$DNA$$ the two strands are held together by hydrogen bonds. For example guanine is bonded to cytosine and adenine to thymine by hydrogen bonding.
Releted MCQ Question on Organic Chemistry >> Biomolecules
Releted Question 1
The pair of compounds in which both the compounds give positive test with Tollen’s reagent is