MolSynapsequestion bank
MolSynapse / Question bank / Biomolecules / Nucleic acids: nucleotides, DNA and RNA
JEE Main levelSingle correct optionDifficulty 2 of 3bm206

A double-stranded DNA sample contains 28% adenine by number of bases. According to Chargaff's rules, the percentage of guanine is

  1. A28%
  2. B22%
  3. C44%
  4. D56%

Answer: B

A = T = 28%, so A + T = 56%. G + C = 44%, and G = C gives G = 22%.
Practice Biomolecules More on Nucleic acids: nucleotides, DNA and RNA

More questions on Nucleic acids: nucleotides, DNA and RNA