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Chemistry · 2023 · 2 marks
CBSE 2023 · Region 2 · Set 3 · Q19
What are nucleic acids? Why two strands in DNA are not identical but are complementary? 1 × 2
What are nucleic acids? Why two strands in DNA are not identical but are complementary? $\displaystyle 1$ × $\displaystyle 2$
Marking-scheme solution
Nucleic acids are polymers of Nucleotides. Because the H-bonds are formed between specific pairs of bases / pairing between A \
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CBSE Class 12 Chemistry past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.