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Enzymes
Which of the following is correct of the pyruvate dehydrogenase enzyme complex ?
Catalyzes the conversion of pyruvate to oxaloacetate
It is present in cytoplasm
Requires TPP as cofactor
Catalyzes a reversible reaction
Author:
rikazzz
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Enzymes
Coenzyme, in an enzymatic reaction usually functions to_____________?
Increase the active sites of apoenzyme
Activate the substrate
Enhance the specificity of apoenzyme
Accept one of the cleavage products
Author:
rikazzz
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Enzymes
Megnesium is needed for the activity of which enzymes ?
Aldolase
Phosphatase
Dismutase
ATPase
Author:
rikazzz
Comment
Enzymes
Iron is present in all of the following except_______________?
Cytochrome
Myoglobin
Catalase
Pyruvate kinase
Author:
rikazzz
Comment
Enzymes
Benzidine test is positive with the enzyme______________?
Dehydrogenase
Cytochrome oxidase
Hydrolase
Peroxidase
Author:
rikazzz
Comment
Enzymes
The combination of main supporting enzyme is called______________?
Coenzyme
Apoenzyme
Holoenzyme
Constitutive enzyme
Author:
rikazzz
Comment
Enzymes
Coenzyme responsible for single carbon transfer is______________?
Biotin
Acetyl co enzyme A
THF4
Pyridoxine
Author:
rikazzz
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Enzymes
Which of the following is NOT a characteristic feature of allosteric enzymes ?
Presence of Modulator site
Follow Michaelis-Menton Kinetics
They are multienzyme complex
Give sigmoid shaped curve
Author:
rikazzz
Comment
Enzymes
Enzymes involved in degradation of epinephrine_____________?
Anticholinesterases
Cholinesterase
Catechol 0-transferase
Oxidases
Author:
rikazzz
Comment
Enzymes
Fraction of CPK is an enzyme that is elevated in a myocardial infarct is____________________?
BB fraction
MB fraction
MM fraction
Both MM and BB fraction
Author:
rikazzz
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