Prostaglandins are synthesized from______________?

Related Mcqs:

1. Ketone bodies are normally synthesized from______________?

   A. Acetyl-CoA
   B. Glucose
   C. Glycerol
   D. Acetone

2. All of the following about prostaglandins and leukotriene are correct except________________?

   A. Arachidonic acid is metabolized to form prostaglandins and leukotrienes
   B. COX-1 is inducible in many tissues
   C. COX is induced by cytokines at the site of inflammation
   D. Leukotrienes cause bronchoconstriction

3. Following are functions of prostaglandins except__________?

   A. Increase capillary permeability
   B. Uterine contraction
   C. Lower blood pressure
   D. Elevates blood pressure

4. True about prostaglandins is______________?

   A. Short acting
   B. Present in many tissues
   C. Some require C-AMP for their action
   D. All are true

5. In humans and other primates as well as in guinea pigs, this vitamin cannot be synthesized because of the absence of the enzyme L-gulonolactone oxidase: the vitamin is_____________?

   A. Pantothenic acid
   B. Nicotinic acid
   C. Ascorbic acid
   D. Folic acid

6. The amino acid from which niacin synthesized is_______________?

   A. Tyrosine
   B. Tryptophan
   C. Threonine
   D. Histidine

7. Mannose 6 phosphate containing freshly synthesized proteins are directed to_____________?

   A. Nucleus
   B. Lysosomes
   C. Mitochondria
   D. Golgi apparatus

8. The process by which a base sequence of messenger RNA is synthesized (by a RNA polymerase) on a template of complementary DNA is called______________?

   A. Transcription
   B. Transduction
   C. Translation
   D. Translocation

9. The amino acid from which niacin is synthesized is______________?

   A. Tyrosine
   B. Theronine
   C. Tryptophan
   D. Histidine

10. Secretory piece of IgA is synthesized in______________?

    A. T-cells
    B. B-cells
    C. Lymph nodes
    D. Mucosal epithelium