Which or the following absent in smooth muscles? A. Actin B. Myosin C. Tropomyos

Question

Which or the following absent in smooth muscles? A. Actin B. Myosin C. Tropomyosin D. Troponin E. sarcoplasmic reticulum In isometric muscle contraction, there is ____ in tension and ____ in muscle. A. no change; a shortening B. an increase; no change C an increase; a shortening D, a decreases as shortening E, no changer no change The Lambdoidal suture is located between the A. Frontal and parietal bones B. Parietal and temporal bones. C Temporal and occipital bones D. Parietal and occipital bones E. Two parietal bones Muscles exhibit the property of excitability. This means that the muscle A Shortens its length B. Recoils to Its original resting length stretches beyond its normal length D. Responds to stimulation by the nervous system E. Excites itself Each of the following is an example of an inorganic compound except one. Identify the exception. A. Water B. Acids C. Bases D. Salts E. Glucose Elements that have full outer shells of electron A. Will form many compounds B. Will normally form anions C. Will normally form cations D. Frequently form hydrogen bonds E. Are inert

Explanation / Answer

40. The answer is 'D'

Troponins are absent in smooth muscles and smooth muscles are least specialized tissues

41. The answer is 'B'

In isometric contraction muscle generates sufficient energy to prevent object from being dropped

42. The answer is 'D'

The lambdoid suture is a dense, fibrous connective tissue joint on the posterior part of the skull that connects the parietal bones with the occipital bone

43. The answer is 'D'

44. The answer is 'E'

Glucose is the energy source of cells and it is the organic compound

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