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Microbiology
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Enzymes Regulation
Comments
Question
Main function of an enzyme is to
Options
A. increase the activation energy
B. decrease the activation energy
C. maintain constant activation energy
D. none of these
Correct Answer
decrease the activation energy
Enzymes Regulation problems
Search Results
1. Intracellular enzymes
Options
A. synthesize cellular material only
B. synthesize cellular material and perform catabolic reaction
C. synthesize cellular material and perform anabolic reaction
D. only provide energy to the cell
Show Answer
Scratch Pad
Discuss
Correct Answer: synthesize cellular material and perform catabolic reaction
2. The inactive organic molecular portion of enzyme is
Options
A. apoenzyme
B. coenzyme
C. holoenzyme
D. none of these
Show Answer
Scratch Pad
Discuss
Correct Answer: coenzyme
3. Isozymes or iso enzymes are those enzyme which
Options
A. have same structural forms
B. have different structural forms but identical catalytic properties
C. catalyses oxidation reactions
D. none of these
Show Answer
Scratch Pad
Discuss
Correct Answer: have different structural forms but identical catalytic properties
4. Who coined the word enzyme first?
Options
A. Kuhne
B. Pasteur
C. Liebig
D. Buchner
Show Answer
Scratch Pad
Discuss
Correct Answer: Kuhne
5. The inactive protein from of enzyme is
Options
A. apoenzyme
B. enzyme
C. haloenzyme
D. cofactor
Show Answer
Scratch Pad
Discuss
Correct Answer: apoenzyme
6. Organic molecules that increase the rate of metabolic reactions with themselves changing are known as
Options
A. coenzymes
B. enzymes
C. substrates
D. reactants
Show Answer
Scratch Pad
Discuss
Correct Answer: enzymes
7. Enzyme catalase has non-protein metal as
Options
A. magnesium
B. manganese
C. iron
D. zinc
Show Answer
Scratch Pad
Discuss
Correct Answer: iron
8. Enzymes can
Options
A. not pass through semipermeable membrane
B. pass through semipermeable membrane
C. dissolve semipermeable membrane
D. none of these
Show Answer
Scratch Pad
Discuss
Correct Answer: not pass through semipermeable membrane
9. Allosteric enzymes are
Options
A. larger than simple enzyme
B. smaller than simple enzyme
C. larger and more complex than simple enzyme
D. smaller than simple enzyme but not complex
Show Answer
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Discuss
Correct Answer: larger and more complex than simple enzyme
10. Enzymes are
Options
A. organic compounds produced by living organism
B. inorganic compounds
C. organic as well as inorganic compounds
D. all of these
Show Answer
Scratch Pad
Discuss
Correct Answer: organic compounds produced by living organism
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