MHT CET Biology question
Which statements about RNA is true? (i) It is simple, straight or coiled, single stranded molecule (ii) Components of RNA are ribose sugar, phosphate and N-bases (iii) The N-bases of RNA are adenine, guanine, thiamine and cytosine (iv) Strand of RNA is a long chain of nucleotides joined by phosphodiester bond (v) Base pairing between complementary bases occur on coiling or folding of RNA molecule
Answer: (B)
Solution
Statements (i), (ii), (iv) and (v) are correct, but (iii) is incorrect because RNA has uracil instead of thymine ('thiamine' is a vitamin);
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