(A) $DNA$ generally exists as a double-stranded helix and contains Adenine $(A)$,Guanine $(G)$,Cytosine $(C)$,and Thymine $(T)$ as its nitrogenous bas

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$DNA$ possesses a double-strand helix structure and contains thymine as one of the four bases.

(A) $DNA$ generally exists as a double-stranded helix and contains Adenine $(A)$,Guanine $(G)$,Cytosine $(C)$,and Thymine $(T)$ as its nitrogenous bases.$RNA$ is typically single-stranded and contains Uracil $(U)$ instead of Thymine $(T)$.

Class 12 Chemistry Biomolecules Nucleic Acids

Easy

The correct statement with regard to the secondary structure of $DNA$/$RNA$ is:

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A
$DNA$ possesses a double-strand helix structure and contains thymine as one of the four bases.
B
$DNA$ possesses a single-strand helix structure and contains uracil as one of the four bases.
C
$RNA$ possesses a double-strand helix structure and contains uracil as one of the four bases.
D
$RNA$ possesses a double-strand helix structure and contains thymine as one of the four bases.