- 1(current)
Q. No.A motor neuron along with all the muscle fibers innervated by it constitute a:
| 1. | Fascicle | 2. | Motor end plate |
| 3. | Motor unit | 4. | Myoneural junction |
Subtopic: Skeletal Muscle: Basic Anatomy | Skeletal Muscle: Myofilaments |
68%
From NCERT
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Consider the following statements:
| I: | The head of myosin is made of LMM and the tail is made of HMM |
| II: | F Actin is monomeric while G actin is polymeric |
| III: | Tropomyosin is composed of three globular proteins |
1. I and II only
2. I and III only
3. II and III only
4. I, II and III
Subtopic: Skeletal Muscle: Myofilaments |
61%
From NCERT
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Myosin myofilaments are
1. made up of thick and thin myofilaments.
2. found only in the H zone.
3. not seen in the H zone.
4. attached to filaments that form the M line.
Subtopic: Skeletal Muscle: Myofilaments |
63%
From NCERT
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Identify the correct statement:
1. Tropomyosin is found in two forms – monomeric G and polymeric F.
2. The head of the myosin molecule binds to an active site on G actin.
3. ATPase is present in troponin A.
4. Actin molecules do not move during muscle contraction.
Subtopic: Skeletal Muscle: Myofilaments |
62%
From NCERT
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- 1(current)
Q. No.
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