Allosteric enzymes are larger than simple enzyme smaller than simple enzyme larg

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

Discuss

Correct Answer: enzymes

4. 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

5. 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

6. 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

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

Discuss

Correct Answer: holoenzyme

8. In aerobic respiration, the terminal electron acceptor is
Options
A. oxygen
B. nitrogen
C. hydrogen
D. nitrate

Discuss

Correct Answer: oxygen

9. Which of the following(s) is/are the products of the light reactions of photosynthesis?
Options
A. ATP only
B. NADPH only
C. ATP and O₂ only
D. ATP, NADPH, and O₂

Discuss

Correct Answer: ATP, NADPH, and O₂

10. The catabolic reaction, pentose-phosphate exists in
Options
A. prokaryotic cells
B. eukaryotic cells
C. prokaryotic and eukaryotic cells both
D. none of these

Discuss

Correct Answer: prokaryotic and eukaryotic cells both

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