- 1(current)
Q. No.The H Zone in a sarcomere is:
| 1. | a band where only actin molecules are found |
| 2. | a band where only myosin molecules are found |
| 3. | an attachment point for actin molecules |
| 4. | an attachment point for myosin molecules |
Subtopic: Skeletal Muscle: Sarcomere |
82%
Level 1: 80%+
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Consider the given two statements:
| Statement I: | Each actin (thin) filament is made of two ‘F’ (filamentous) actins helically wound to each other. |
| Statement II: | Each ‘F’ actin is a polymer of monomeric ‘G’ (Globular) actins. |
| 1. | Statement I is correct; Statement II is correct |
| 2. | Statement I is correct; Statement II is incorrect |
| 3. | Statement I is incorrect; Statement II is correct |
| 4. | Statement I is incorrect; Statement II is incorrect |
Subtopic: Skeletal Muscle: Basic Anatomy | Skeletal Muscle: Myofilaments | Skeletal Muscle: Sarcomere |
92%
Level 1: 80%+
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Hints
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Consider the given two statements:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | The unit in a myofibril from Z line to Z line is a sarcomere. |
| II: | A muscle motor unit includes one motor nerve fiber and all the muscle fibers innervated by it. |
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Skeletal Muscle: Basic Anatomy | Skeletal Muscle: Myofilaments | Skeletal Muscle: Sarcomere |
79%
Level 2: 60%+
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- 1(current)
Q. No.
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