A. Apoenzyme
B. Proenzyme
C. Protoenzyme
D. Holoenzyme
Related Mcqs:
- Vitamin B12 acts as a coenzyme to which one of the following enzyme ?
A. Isocitrate dehydrogenase
B. Homocyteine methyl transferase
C. Glycogen synthase
D. G-6-P dehydrogenase - Coenzyme responsible for single carbon transfer is______________?
A. Acetyl co enzyme A
B. Biotin
C. THF4
D. Pyridoxine - Coenzyme, in an enzymatic reaction usually functions to_____________?
A. Activate the substrate
B. Increase the active sites of apoenzyme
C. Enhance the specificity of apoenzyme
D. Accept one of the cleavage products - Coenzyme forms are correctly matched except_____________?
A. Biotin – carboxylated biotin
B. Vitamin B – ATP
C. Niacin – NAD+NADP
D. Vitamin B2 – FMN+FAC - Coenzyme A contains which of the following vitamins_______________?
A. Biotin
B. Pyridoxine
C. Pantothenic acid
D. Niacin - Which of the following enzymes use NADP as coenzyme ________________?
A. Glyceraldehyde 3 phosphate dehydrogenase
B. Lactate dehydrogenase
C. Glucose 6-Phosphate dehydrogenase
D. Beta hydroxy acyl CoA dehydrogenase - Fraction of CPK is an enzyme that is elevated in a myocardial infarct is____________________?
A. MM fraction
B. MB fraction
C. BB fraction
D. Both MM and BB fraction - The most common enzyme deficiency in man is___________?
A. Glucose 6 phosphate dehydrogenase
B. Glucose 6 phosphatase
C. Hexokinase
D. Glucose 1,6 diphosphatase - 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 - Which of the following is a membrane bound enzyme that catalyzes the formation of cyclic AMP from ATP ?
A. Tyrosine kinase
B. Polymerase
C. ATP synthase
D. Adenylate cyclase
