MP Board · Class 11 · Biology · Locomotion and MovementThe light bands of a skeletal muscle fiber contain an isotropic protein and are known as:
Step-by-Step Solution
The light bands contain actin and are called 'I-bands' or Isotropic bands, whereas the dark bands contain myosin and are called 'A-bands' or Anisotropic bands.
Detailed Options Breakdown
Option : A-band
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Locomotion and Movement.
Option 1: I-band (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: H-zone
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Locomotion and Movement.
Option 3: Z-line
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Locomotion and Movement.
💡 Study Guide: This question tests core syllabus concepts from Locomotion and Movement. For formulas, key summaries, and mock exam reference guides, read the full Locomotion and Movement Revision Notes.