A. Fatty acid synthetase
B. Malonyl CoA carboxylase
C. Carbomoyl Phosphate synthetase
D. Adenosine phospho ribosyl transferase
Enzymes
The main site of fluoride inhibition in the Embden Meyerhof pathway of acid____________?
A. ATPase
B. Enolase
C. Pyruvate Kinase
D. Fructose 6 phosphatase
Coenzyme responsible for single carbon transfer is______________?
A. Acetyl co enzyme A
B. Biotin
C. THF4
D. Pyridoxine
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
Enzymes concerned with the citric acid cycle are found in______________?
A. Nucleus
B. Mitochondria
C. Ribosomes
D. Non-particulate cytoplasm
Which of the following is correct of the pyruvate dehydrogenase enzyme complex ?
A. It is present in cytoplasm
B. Catalyzes the conversion of pyruvate to oxaloacetate
C. Requires TPP as cofactor
D. Catalyzes a reversible reaction
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
The combination of main supporting enzyme is called______________?
A. Apoenzyme
B. Coenzyme
C. Holoenzyme
D. Constitutive enzyme
Enzymes are classified according to_________________?
A. Action on substrate
B. Action of coenzymes
C. Nature of the enzymes
D. All of the above
Km of an enzyme is_____________?
A. Dissociation constant
B. The normal physiological substrate concentration
C. Substrate concentration at half maximal velocity
D. Numerically identical for all isozymes that catalyses a given reaction
