Inactive precursors of enzymes are known as_______________?

Related Mcqs:

1. Megaloblasts are precursors of_____________?

   A. Megakaryocytes
   B. Norm oblasts
   C. Myelocytes
   D. Macrocytes

2. Ferritin – an inactive form of iron is stored in_____________?

   A. Gut
   B. Spleen
   C. Liver
   D. All of the above

3. A small Ca+2 binding protein that modifies the activity of many enzymes and other proteins in response to changes of Ca+2 concentration is known as______________?

   A. Cycline
   B. Calmodulin
   C. Collagen
   D. Kinesin

4. Acetyl Co-A acts as a substrate for all the enzymes except______________?

   A. HMG-Co A synthase
   B. Malic enzyme
   C. Malonyl CoA synthetase
   D. Fatty acid synthetase

5. Megnesium is needed for the activity of which enzymes ?

   A. Phosphatase
   B. Aldolase
   C. Dismutase
   D. ATPase

6. Which of the following is NOT a characteristic feature of allosteric enzymes ?

   A. They are multienzyme complex
   B. Follow Michaelis-Menton Kinetics
   C. Presence of Modulator site
   D. Give sigmoid shaped curve

7. Enzymes help by____________?

   A. Lowering the activation energy
   B. Increasing the substrate concentration
   C. Decreasing the surface tension
   D. Increasing the activation energy

8. Enzymes involved in degradation of epinephrine_____________?

   A. Cholinesterase
   B. Anticholinesterases
   C. Catechol 0-transferase
   D. Oxidases

9. The enzymes that catalyses the same reaction but differ in physical properties are called as_____________?

   A. Pro enzyme
   B. Iso enzyme
   C. Co-enzyme
   D. Holoenzyme

10. Enzymes stored in muscle is________________?

    A. Alkaline phosphatase
    B. SGOT
    C. SGPT
    D. CPK