CBSE · Class 11 · Biology · BiomoleculesNucleotides are composed of:
Step-by-Step Solution
A nucleotide consists of a nitrogenous base, a pentose sugar (ribose or deoxyribose), and at least one phosphate group.
Detailed Options Breakdown
Option : Nitrogenous base and sugar only
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Biomolecules.
Option 1: Nitrogenous base, sugar, and phosphate group (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: Sugar and phosphate group only
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Biomolecules.
Option 3: Nitrogenous base and phosphate group only
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Biomolecules.
💡 Study Guide: This question tests core syllabus concepts from Biomolecules. For formulas, key summaries, and mock exam reference guides, read the full Biomolecules Revision Notes.