BiomoleculesMedium
Question
The correct statement with regard to the secondary structure of DNA/RNA is
Options
A.RNA possesses a single strand helix structure and contains thymine as one of the four bases
B.DNA possesses a double strand helix structure and contains thymine as one of the four bases
C.RNA possesses a double strand helix structure and contains uracil as one of the four bases
D.DNA possesses a single strand helix structure and contains uracil as one of the four bases
Solution
Sol. [Key Concept: Secondary structure of DNA/RNA — double helix & base pairing]
- RNA is typically single standard but it contains uracil, not thymine.
- DNA is secondary structure has a double strand helix consisting of two polynucleotide chains. Its four nitrogenous bases are adenine (A), guanine (G), cytosine (C) and thymine (T).
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