Statement P: Uracil is not present in the str | vedclass

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(D) Statement $P$ is correct because $DNA$ contains the nitrogenous base thymine instead of uracil,which is found in $RNA$.Statement $Q$ is correct be

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Both statements $P$ and $Q$ are correct.

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(D) Statement $P$ is correct because $DNA$ contains the nitrogenous base thymine instead of uracil,which is found in $RNA$.Statement $Q$ is correct because $DNA$ follows Chargaff's rule,where adenine $(A)$ pairs with thymine $(T)$ via two hydrogen bonds.While both statements are scientifically accurate,statement $P$ (the absence of uracil) does not directly explain why $A-T$ pairing occurs (which is due to the specific chemical structure and hydrogen bonding capacity of these bases). Therefore,both statements are correct,but $P$ is not the explanation for $Q$.

Statement $P$: Uracil is not present in the structure of $DNA$.
Statement $Q$: $A-T$ complementary base pairing is present in the structure of $DNA$.

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Statement $P$: Uracil is not present in the structure of $DNA$.Statement $Q$: $A-T$ complementary base pairing is present in the structure of $DNA$.