A-LevelBiologyNucleic acids and protein synthesis9700/12 · Feb/Mar 2023 · Q221 Mark
Two polynucleotide strands make up a DNA molecule. Which description is correct?
AThe percentage of cytosine is 50% of that of guanine in the whole molecule.
BThe percentage of cytosine is the same as that of guanine in the whole molecule.
CThe percentage of cytosine is the same as that of guanine in each strand.
DThe percentage of cytosine is the same in each strand of the molecule.
✓ Correct answer
B: The percentage of cytosine is the same as that of guanine in the whole molecule.
Practise more questions on this topic
Oracle Prep sorts past-paper questions by topic, so you can drill Nucleic acids and protein synthesis and see which topics are most likely to come up next.
Sign up free →