Rate limiting step in cholesterol synthesis is_______________?

Related Mcqs:

1. Rate limiting step in adrenaline synthesis is conversion of____________?

   A. Tyrosine to dopa
   B. Phenylalanine to tyrosine
   C. Dopa to dopamine
   D. Dopamine to nor epinephrine

2. The precursor of cholesterol synthesis is________________?

   A. Acetic acid
   B. Acetyl CoA
   C. Oxalo acetic acid
   D. Pyruvate

3. Triglyceride synthesis synthesis is increased by______________?

   A. Growth hormone
   B. Insulin
   C. Cortisol
   D. Gulcagon

4. The normal level of serum cholesterol is_______________?

   A. 100-140 mgs/100 ml
   B. 260-360 mgs/100 ml
   C. 150-250 mgs/100 ml
   D. 80-250 mgs/100 ml

5. The lipoprotein particles that have the highest percentage concentration of cholesterol is_______________?

   A. Chylomicron
   B. VLDL (Very low density lipoprotein)
   C. LDL (Low density lipoprotein)
   D. HDL (High density lipoprotein)

6. The most important role of cholesterol is_____________?

   A. It is a component of cell membrane
   B. It is a precursor of polyunsaturated fatty acids
   C. It stores up energy
   D. None of the above

7. All are derived of cholesterol except________________?

   A. Chenodeoxy cholic acid
   B. Glycocholic acid
   C. Testosterone
   D. Cholecystokinin

8. High content of cholesterol is present in_______________?

   A. Coconut oil
   B. Egg yolk
   C. Hydrogenated fat
   D. Ghee (unsaturated)

9. Cholesterol levels in abnormal person should be preferably less than_____________?

   A. 200 mg/dl
   B. 180 mg/dl
   C. 150 mg/dl
   D. 120 mg/dl

10. The activity of this plasma enzyme is responsible virtually for all plasma cholesterol esters in humans_______________?

    A. Lecithin cholesterol acyl transferase (LCAT)
    B. Pyrophospho mevalonate decarboxylase
    C. HMG CoA reductase
    D. Phospho mevalonate kinase