Identify the protein that is not associated with others when the skeletal muscle is relaxed:
1. | Actin | 2. | Myosin |
3. | Tropomyosin | 4. | Troponin |
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 |
The type of joint that will allow least mobility amongst the following would be:
1. | Fibrous joint | 2. | Primary cartilaginous joint |
3. | Secondary cartilaginous joint | 4. | Synovial joint |
A bone disorder especially seen in post-menopausal women would be:
1. | Rheumatoid arthritis | 2. | Rickets |
3. | Bone cancer | 4. | Osteoporosis |
What is usually used to treat osteomalacia?
1. Estrogen
2. Androgens
3. Vitamin D
4. Calcium
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 |
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 |
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 |
During muscle contraction, the length of which of the following remains the same?
1. I-Band
2. H-Zone
3. Sarcomere
4. A-Band