Biomolecules Ques 54
54. The couplings between base units of DNA is through :
[1992]
(a) Hydrogen bonding
(b) Electrostatic bonding
(c) Covalent bonding
(d) van der Waals forces
Topic 4: Vitamins and Hormones
Show Answer
Solution:
- (a) DNA consists of two polynucleotide chains, each chain forms a right handed helical spiral with ten bases in one turn of the spiral. The two chains coil to double helix and run in opposite direction held together by hydrogen bonding.
BETA
