Molecular Basis of Inheritance · Class 12 · CBSE · Science Biology
Which of the following chemical components is completely absent in a standard RNA molecule?
Practice question from Molecular Basis of Inheritance (Class 12 · CBSE · Science Biology), with the correct answer and a step-by-step solution.
easy · MCQ · Q-6DF1B6
Which of the following chemical components is completely absent in a standard RNA molecule?
- A.Adenine
- B.ThymineCorrect answer
- C.Uracil
- D.Ribose sugar
Solution
RNA contains ribose sugar, phosphate, and nitrogenous bases Adenine, Guanine, Cytosine, and Uracil. Thymine is characteristically found in DNA instead of Uracil.
More from Molecular Basis of Inheritance
- In the Meselson and Stahl experiment, ^{15}N was incorporated into E. coli DNA by growing them for many generations in a medium containing:
- During DNA replication, the discontinuously synthesized fragments on the lagging strand are eventually joined together by which enzyme?
- In the lac operon of E. coli, the z gene codes for which of the following enzymes?
- Which of the following features of the genetic code indicates that a single amino acid can be coded by multiple codons?
Practise more Biology
Sign up free for adaptive practice on this chapter, with instant feedback and hints on every question.
Start practising freeFree to start · No credit card needed