Organic molecules that increase the rate of metabolic reactions with themselves

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Home ‣ Microbiology ‣ Enzymes Regulation Comments

Question
Organic molecules that increase the rate of metabolic reactions with themselves changing are known as
Options
A. coenzymes
B. enzymes
C. substrates
D. reactants

Correct Answer

enzymes

Enzymes Regulation problems

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1. 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

Discuss

Correct Answer: decrease the activation energy

2. 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

Discuss

Correct Answer: synthesize cellular material and perform catabolic reaction

3. The inactive organic molecular portion of enzyme is
Options
A. apoenzyme
B. coenzyme
C. holoenzyme
D. none of these

Discuss

Correct Answer: coenzyme

4. 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

Discuss

Correct Answer: have different structural forms but identical catalytic properties

5. Who coined the word enzyme first?
Options
A. Kuhne
B. Pasteur
C. Liebig
D. Buchner

Discuss

Correct Answer: Kuhne

6. Enzyme catalase has non-protein metal as
Options
A. magnesium
B. manganese
C. iron
D. zinc

Discuss

Correct Answer: iron

7. Enzymes can
Options
A. not pass through semipermeable membrane
B. pass through semipermeable membrane
C. dissolve semipermeable membrane
D. none of these

Discuss

Correct Answer: not pass through semipermeable membrane

8. 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

Discuss

Correct Answer: larger and more complex than simple enzyme

9. Enzymes are
Options
A. organic compounds produced by living organism
B. inorganic compounds
C. organic as well as inorganic compounds
D. all of these

Discuss

Correct Answer: organic compounds produced by living organism

10. The active form of enzyme is
Options
A. apoenzyme
B. coenzyme
C. holoenzyme
D. none of these

Discuss

Correct Answer: holoenzyme

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Organic molecules that increase the rate of metabolic reactions with themselves changing are known as

Enzymes Regulation problems

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