NCERT · Class 11 · Biology · Cell: The Unit of LifeThe number of peripheral microtubules in a centriole or basal body is:
Step-by-Step Solution
Centrioles and basal bodies have a '9 + 0' arrangement of microtubules, meaning nine peripheral triplet microtubules and no central microtubules.
Detailed Options Breakdown
Option : 9 doublets
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Cell: The Unit of Life.
Option 1: 9 triplets (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: 11 single tubules
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Cell: The Unit of Life.
Option 3: 13 protofilaments
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Cell: The Unit of Life.
💡 Study Guide: This question tests core syllabus concepts from Cell: The Unit of Life. For formulas, key summaries, and mock exam reference guides, read the full Cell: The Unit of Life Revision Notes.