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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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 |
 61%
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Accumulation of uric acid in joints will lead to:

1. Rheumatoid arthritis 2. Osteoarthritis
3. Osteomalacia 4. Gouty arthritis
Subtopic:  Synovial Joint |
 89%
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The dark and light bands seen as striations in a skeletal muscle are located on:

1. Myofilaments 2. Muscle fiber
3. Myofibril 4. Motor unit
Subtopic:  Skeletal Muscle: Sarcomere |
 55%
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All the following regarding red muscle fibers are true except:

1. They are adapted for slow and sustained activity
2. They have a high content of myoglobin
3. They are rich in mitochondria
4. They depend on anaerobic process for energy
Subtopic:  Muscle Contraction: Other Considerations |
 85%
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A flat bone present on the ventral midline of thorax is called as:

1. Hyoid 2. Clavicle
3. Sternum 4. Vertebral body
Subtopic:  Axial Skeleton: I | Axial Skeleton: II |
 91%
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The central part of the thick filaments not overlapped by the thin filaments is called as:

1. A band 2. I band
3. H zone 4. Sarcomere
Subtopic:  Skeletal Muscle: Sarcomere |
 88%
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What protein is arranged along the length of actin filaments and is involved in regulation of skeletal muscle contraction?

1. Troponin 2. Calmodulin
3. Tropomyosin 4. Light meromyosin
Subtopic:  Sliding Filament Theory |
 64%
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During relaxation of a skeletal muscle:

1. Calcium ions that are bound to troponin C now bind to troponin A
2. Cross bridge formation between myosin head and actin takes place
3. The A band of the sarcomere lengthens
4. Calcium ions are pumped back to the sarcoplasmic cisternae
Subtopic:  Sliding Filament Theory | Energy for Muscle Contraction |
 86%
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What type of muscles do you expect to find in the inner walls of hollow visceral organs?

1. Involuntary, nonstriated 2. Voluntary, nonstriated
3. Involuntary, striated 4. Voluntary, striated
Subtopic:  Skeletal Muscle: Basic Anatomy |
 89%
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