Metabolism and Enzymes

25 MCQs on metabolism, catabolism, anabolism, enzymes, enzyme characteristics, specificity, active sites, intracellular and extracellular enzymes, cofactors, and enzyme applications.

MCQs

25 questions · 20 min · 25 marks

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Sample questions

The first 5 of 25. Try each one, then tap to see the answer.

Question 1
The biochemical reactions occurring in living organisms are called:
- AMetabolism
- BDigestion
- CRespiration
- DSynthesis
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Answer: A
The textbook defines metabolism as all biochemical reactions occurring in living organisms.
Question 2
The two subsets of metabolism are:
- ACatabolism and anabolism
- BRespiration and digestion
- CPhotosynthesis and respiration
- DTranscription and translation
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Answer: A
The textbook identifies catabolism and anabolism as the two subsets of metabolism.
Question 3
Catabolism involves:
- ABuilding complex molecules from simpler ones
- BBreaking complex molecules into simpler ones
- CJoining amino acids only
- DProducing DNA
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Answer: B
Catabolism involves the breakdown of complex molecules into simpler ones.
Question 4
Catabolic reactions generally:
- AConsume energy
- BRelease energy
- CStop enzyme activity
- DProduce only proteins
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Answer: B
The textbook states that catabolism releases energy during the breakdown of complex molecules.
Question 5
Cellular respiration is an example of:
- AAnabolism
- BCatabolism
- CEnzyme inhibition
- DProtein synthesis
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Answer: B
The textbook gives cellular respiration as an example of catabolism.

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