Question

189. Chargaff's rule is applicable to:
(a) Single stranded DNA
(b) Double stranded DNA
own, then
(C) Single stranded RNA
(d) Single stranded DNA and RNA
Nucleic Acids/Nucleotides
rough the 199. If base order in one chain of DNA is "ATCGA" then how
many no. of H-bond found in DNA duplex:
Tricky
(a) 20
(b) 12
(c) 10
(d) 11
191. Nucleotides are building blocks of nucleic acids. Each
nucleotide is a composite molecule formed by:
(a) Base-sugar-OH (b) Base-sugar-phosphate
(c) Sugar-phosphate (d) (Base-sugar-phosphate),​

Answer 1

Answer:

189. b ) double stranded DNA

190.b ) 12

191. b ) Base-sugar-phosphate