Megnesium is needed for the activity of which enzymes ?

Related Mcqs:

1. 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

2. Muscle glycogen, which cannot contribute to blood glucose due to the absence of which enzymes ?

   A. Phosphoglutamase
   B. Branching enzyme
   C. Debranching enzyme
   D. Glucose-6-phosphotase

3. 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

4. Enzymes concerned with the citric acid cycle are found in______________?

   A. Nucleus
   B. Mitochondria
   C. Ribosomes
   D. Non-particulate cytoplasm

5. Enzymes help by____________?

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

6. Enzymes involved in degradation of epinephrine_____________?

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

7. 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

8. Enzymes stored in muscle is________________?

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

9. Inactive precursors of enzymes are known as_______________?

   A. Apoenzymes
   B. Coenzymes
   C. Proenzymes
   D. Holoenzymes

10. Mutation in the oxidative enzymes (peroxisomes) could lead to_______________?

    A. Zellweger’s syndrome
    B. Gaucher’s disease
    C. Epidermolysis bullosa
    D. Leber’s neuropathy