BIOD171 OR BIOL271 MICROBIOLOGY W/LAB |MODULE 2 2026/2027 WITH 100 QUESTIONS AND EXPERT-VERIFIED CORRECT ANSWERS | ALREADY GRADED A+ | GUARANTEED PASS

BIOD171 OR BIOL271 MICROBIOLOGY
W/LAB |MODULE 2 2026/2027 WITH 100
QUESTIONS AND EXPERT-VERIFIED
CORRECT ANSWERS | ALREADY
GRADED A+ | GUARANTEED PASS




SECTION 1: METABOLISM BASICS (Questions 1–15)
1. Which term describes the sum of all chemical reactions within a living
organism?
 A) Anabolism
 B) Catabolism
 C) Metabolism
 D) Homeostasis
 Answer: C) Metabolism
2. The breakdown of large molecules into smaller ones with the release of
energy is called:
 A) Anabolism
 B) Catabolism

,  C) Metabolism
 D) Synthesis
 Answer: B) Catabolism
3. The synthesis of large molecules from smaller ones, requiring energy, is
called:
 A) Anabolism
 B) Catabolism
 C) Metabolism
 D) Hydrolysis
 Answer: A) Anabolism
4. True or False: Metabolism is a controlled set of biochemical reactions that
occur in only motile living organisms.
 Answer: False – metabolism occurs in all living organisms.
5. True or False: Metabolism can be defined as a controlled set of biochemical
reactions that occur in living organisms in order to maintain life.
 Answer: True
6. What is the primary function of enzymes in metabolic reactions?
 A) To provide energy for the reaction
 B) To slow down the reaction to conserve energy
 C) To speed up (catalyze) chemical reactions
 D) To change the products of the reaction
 Answer: C) To speed up (catalyze) chemical reactions
7. True or False: Enzymes slow down chemical reactions to conserve energy.
 Answer: False – enzymes speed up (catalyze) chemical reactions.
8. Enzymes are which type of biological molecule?
 A) Carbohydrates

,  B) Lipids
 C) Proteins
 D) Nucleic acids
 Answer: C) Proteins
9. True or False: Enzymes are polysaccharides that catalyze chemical
reactions.
 Answer: False – enzymes are proteins, not polysaccharides.
10. The specific location on an enzyme where the substrate binds is called the:
 A) Allosteric site
 B) Active site
 C) Binding pocket
 D) Regulatory site
 Answer: B) Active site
11. A competitive inhibitor binds to:
 A) The allosteric site
 B) The active site
 C) The substrate
 D) The product
 Answer: B) The active site
12. A non-competitive inhibitor binds to:
 A) The active site
 B) The allosteric site
 C) The substrate
 D) The product
 Answer: B) The allosteric site
13. The energy required to start a chemical reaction is called: