Which of the following movements can be seen in a human body?

I. Amoeboid II. Ciliary III. Flagellar
 
1. I and II only 2. I and III only
3. II and III only 4. I, II and III
Subtopic:  Introduction to Locomotion |
 74%
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ATPase activity is found in:

1. Myosin head 2. Myosin tail
3. G-Actin 4. Troponin
Subtopic:  Energy for Muscle Contraction |
 94%
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Skeletal muscles are:
1. Striated, Multinucleate and Voluntary
2. Non-Striated, Multinucleate and Voluntary
3. Striated, Multinucleate and Involuntary
4. Non-Striated, Uni-nucleate and Voluntary

Subtopic:  Skeletal Muscle: Basic Anatomy |
 92%
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With respect to the red muscle fibers [Type I], the white muscle fibers [Type II] are richer in:

1. Blood capillaries 2. Myoglobin
3. Sarcoplasmic reticulum 4. Mitochondria
Subtopic:  Muscle Contraction: Other Considerations |
 83%
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The smallest, functional unit of contraction is the:

1. muscle fiber 2. sarcomere
3. myofilament 4. myofibril
Subtopic:  Skeletal Muscle: Basic Anatomy |
 87%
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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 |
 67%
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During muscle contraction, the part that does not get shortened in length is labeled as the letter:

1. A 2. B
3. C 4. D
Subtopic:  Excitation Contraction Coupling I | Excitation Contraction Coupling II |
 69%
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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

The incorrect statements are:

1. I and II only 2. I and III only
3. II and III only 4. I, II and III
Subtopic:  Skeletal Muscle: Myofilaments |
 62%
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Select the correct match for the parts labeled as A, B, C and D in the given diagram of a sarcomere:
 
A B C D
1. I band A band H zone M line
2. I band H zone M line Z line
3. A band I band Z line M line
4. H zone I band M line Z line

Subtopic:  Skeletal Muscle: Sarcomere |
 88%
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As the distance from Z line to Z line decreases, which bands shorten in a sarcomere?

1. the I band and H band 2. the I band and A band
3. the A band and H band 4. all bands shorten
Subtopic:  Sliding Filament Theory |
 89%
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