Optical activity of DNA is due to its
(a) bases
(b) sugars
(c) phosphates
(d) hydrogen bonds
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Optical activity of DNA is due to its
(a) bases
(b) sugars
(c) phosphates
(d) hydrogen bonds
Optical activity of DNA is due to its
(a) bases
(b) sugars
(c) phosphates
(d) hydrogen bonds
Answer is : (b) sugars
DNA polymer is made up of nitrogenous base, a sugar and one or more phosphate. Optical activity results due to the molecular asymmetry. The nucleic acid bases have a plane of symmetry. Hence, they do not induce optical activity. Sugars are asymmetric and cause optical activity of DNA.