Chapter 5 – Microbial Metabolism

1
Chapter 5 Microbial Metabolism
Energy Production
Catabolic Reactions
Photosynthesis
Metabolic Pathways
Enzymes
100
100
100
100
100
200
200
200
200
200
300
300
300
300
300
400
400
400
400
400
500
500
500
500
500
FINAL ROUND
2
Topic 1 Enzymes100 Question

• The enzyme-regulated energy requiring
• reactions are mostly involved in
• a. Catabolism
• b. Anabolism
• c. Photosynthesis
• d. Oxidation

ANSWER
BACK TO GAME
3
Topic 1 Enzymes100 Answer

• The enzyme-regulated energy requiring
• reactions are mostly involved in
• a. Catabolism
• b. Anabolism (correct answer)
• c. Photosynthesis
• d. Oxidation

BACK TO GAME
4
Topic 1 Enzymes 200 Question

• In living cells, the enzyme-regulated chemical
  reactions that release energy are generally
  involved in
• a. Catabolism
• b. Anabolism
• c. Photosynthesis
• d. Oxidation

ANSWER
BACK TO GAME
5
Topic 1 Enzymes 200 Answer

• In living cells, the enzyme-regulated chemical
  reactions that release energy are generally
  involved in
• a. Catabolism (correct answer)
• b. Anabolism
• c. Photosynthesis
• d. Oxidation

BACK TO GAME
6
Topic 1 Enzymes 300 Question

• What is the energy needed to disrupt electronic
  configurations and start a chemical reaction?
• a. reaction energy
• b. Forward energy
• c. Activation energy
• d. Chemical energy

ANSWER
BACK TO GAME
7
Topic 1 Enzymes 300 Answer

• What is the energy needed to disrupt electronic
  configurations and start a chemical reaction?
• a. reaction energy
• b. Forward energy
• c. Activation energy (correct answer)
• d. Chemical energy

BACK TO GAME
8
Topic 1 Enzymes 400 Question

• Enzymes increase the speed of a chemical reaction
  by
• a. Lowering the energy of activation
• b. Increasing the energy of activation
• c. Increasing the frequency of collisions of the
  reactants
• d. Decreasing the frequency of collisions of the
  reactants

ANSWER
BACK TO GAME
9
Topic 1 Enzymes 400 Answer

• Enzymes increase the speed of a chemical reaction
  by
• a. Lowering the energy of activation
  (correct answer)
• b. Increasing the energy of activation
• c. Increasing the frequency of collisions of the
  reactants
• d. Decreasing the frequency of collisions of the
  reactants

BACK TO GAME
10
Topic 1 Enzymes 500 Question

• Apoenzymes are inactive by themselves and must be
  activated by
• a. Cofactors
• b. ATP
• c. Holoenzymes
• d. Substrates

ANSWER
BACK TO GAME
11
Topic 1 Enzymes 500 Answer

• Apoenzymes are inactive by themselves and must be
  activated by
• a. Cofactors (correct answer)
• b. ATP
• c. Holoenzymes
• d. Substrates

BACK TO GAME
12
Topic 2 Energy Production 100 Question

• The process in which electrons are removed from
  atoms is?
• a. electrolysis
• b. Atomic reduction
• c. reduction
• d. oxidation

ANSWER
BACK TO GAME
13
Topic 2 Energy Production 100 Answer

• The process in which electrons are removed from
  atoms is?
• a. electrolysis
• b. Atomic reduction
• c. reduction
• d. oxidation (correct answer)

BACK TO GAME
14
Topic 2 Energy Production 200 Question

• The addition of a phosphate to ADP is called
• a. Decarboxylation
• b. Phosphorylation
• c. Oxidative phosphorylation
• d. Reduction

ANSWER
BACK TO GAME
15
Topic 2 Energy Production 200 Answer

• The addition of a phosphate to ADP is called
• a. Decarboxylation
• b. Phosphorylation (correct answer)
• c. Oxidative phosphorylation
• d. Reduction

BACK TO GAME
16
Topic 2 Energy Production 300 Question

• Energy is released during a cells
• a. Reduction of glucose
• b. Decarboxylation of glucose
• c. Oxidation of glucose
• d. Phosphorylation of glucose

ANSWER
BACK TO GAME
17
Topic 2 Energy Production 300 Answer

• Energy is released during a cells
• a. Reduction of glucose
• b. Decarboxylation of glucose
• c. Oxidation of glucose (correct answer)
• d. Phosphorylation of glucose

BACK TO GAME
18
Topic 2 Energy Production 400 Question

• Which of the following releases energy from
  sugars or other organic molecules by oxidation?
• a. Krebs cycle
• b. Glycolysis
• c. Photosynthesis
• d. Fermentation

ANSWER
BACK TO GAME
19
Topic 2 Energy Production 400 Answer

• Which of the following releases energy from
  sugars or other organic molecules by oxidation?
• a. Krebs cycle
• b. Glycolysis
• c. Photosynthesis
• d. Fermentation (correct answer)

BACK TO GAME
20
Topic 2 Energy Production 500 Question

• In which of the following is chemical energy used
  for carbon fixation?
• a. Photosynthesis
• b. Krebs cycle
• c. Fermentation
• d. Glycolysis

ANSWER
BACK TO GAME
21
Topic 2 Energy Production 500 Answer

• In which of the following is chemical energy used
  for carbon fixation?
• a. Photosynthesis (correct answer)
• b. Krebs cycle
• c. Fermentation
• d. Glycolysis

BACK TO GAME
22
Topic 3 Catabolic Reactions100 Question

• The energy from catabolic reactions is
• used to produce
• a. ADP
• b. ATP
• c. AMP
• d. Phosphate

ANSWER
BACK TO GAME
23
Topic 3 Catabolic Reactions 100 Answer

• The energy from catabolic reactions is used to
  produce
• a. ADP
• b. ATP (correct answer)
• c. AMP
• d. Phosphate

BACK TO GAME
24
Topic 3 Catabolic Reactions 200 Question

• Catabolic reactions provide building blocks for
• a. enzymes
• b. Krebs cycle
• c. Glycolysis
• d. Anabolic reactions

ANSWER
BACK TO GAME
25
Topic 3 Catabolic Reactions 200 Answer

• Catabolic reactions provide building blocks for
• a. enzymes
• b. Krebs cycle
• c. Glycolysis
• d. Anabolic reactions (correct answer)

BACK TO GAME
26
Topic 3 Catabolic Reactions 300 Question

• The pentose phosphate pathway provides a means
  to break down glucose and
• a. works with glycolysis
• b. Is another way to create ATP without
  glycolysis
• c. Is one part of the Entner-Doudoroff pathway
• d. Is a type of photosynthesis

ANSWER
BACK TO GAME
27
Topic 3 Catabolic Reactions 300 Answer

• The pentose phosphate pathway provides a means to
  break down glucose and
• a. works with glycolysis (correct
  answer)
• b. Is another way to create ATP without
  glycolysis
• c. Is one part of the Entner-Doudoroff pathway
• d. Is a type of photosynthesis

BACK TO GAME
28
Topic 3 Catabolic Reactions 400 Question

• What is the first step in the Krebs cycle?
• a. Formation of lactic acid
• b. Formation of pyruvic acid
• c. Formation of citric acid
• d. Formation of acetyl COA

ANSWER
BACK TO GAME
29
Topic 3 Catabolic Reactions400 Answer

• What is the first step in the Krebs cycle?
• a. Formation of lactic acid
• b. Formation of pyruvic acid
• c. Formation of citric acid (correct
  answer)
• d. Formation of acetyl COA

BACK TO GAME
30
Topic 3 Catabolic Reactions 500 Question

• In aerobic respiration, what is the fate of the
  pyruvic acid produced in glycolysis?
• a. It is catabolized in glycolysis
• b. It is reduced to lactic acid
• c. It is oxidized in the Krebs cycle
• d. It is oxidized in the electron transport chain

ANSWER
BACK TO GAME
31
Topic 3 Catabolic Reactions 500 Answer

• In aerobic respiration, what is the fate of the
  pyruvic acid produced in glycolysis?
• a. It is catabolized in glycolysis
• b. It is reduced to lactic acid
• c. It is oxidized in the Krebs cycle (correct
  answer)
• d. It is oxidized in the electron transport chain

BACK TO GAME
32
Topic 4 Photosynthesis 100 Question

• Where does photosynthesis take place in
  eukaryotic cells?
• a. Mitochondria
• b. Ribosomes
• c. Chloroplasts
• d. Lysosomes

ANSWER
BACK TO GAME
33
Topic 4 Photosynthesis 100 Answer

• Where does photosynthesis take place in
  eukaryotic cells?
• a. Mitochondria
• b. Ribosomes
• c. Chloroplasts (correct answer)
• d. Lysosomes

BACK TO GAME
34
Topic 4 Photosynthesis 200 Question

• Photosynthesis takes place in
• a. One stage
• b. Two stages
• c. Three stages
• d. Four stages

ANSWER
BACK TO GAME
35
Topic 4 Photosynthesis 200 Answer

• Photosynthesis takes place in
• a. One stage
• b. Two stages (correct answer)
• c. Three stages
• d. Four stages

BACK TO GAME
36
Topic 4 Photosynthesis 300 Question

• In the Calvin-Benson cycle,
• a. Oxygen is used to synthesize
  sugars
• b. Carbon dioxide is used to synthesize sugars
• c. ADP is formed
• d. Light is required

ANSWER
BACK TO GAME
37
Topic 4 Photosynthesis 300 Answer

• In the Calvin-Benson cycle,
• a. Oxygen is used to synthesize
  sugars
• b. Carbon dioxide is used to synthesize sugars
  (correct answer)
• c. ADP is formed
• d. Light is required

BACK TO GAME
38
Topic 4 Photosynthesis 400 Question

• When water is oxidized by green plants,
• a. Oxygen is produced
• b. Carbon dioxide is produced
• c. Sulfur granules are produced
• d. Hydrogen sulfide is produced

ANSWER
BACK TO GAME
39
Topic 4 Photosynthesis 400 Answer

• When water is oxidized by green plants,
• a. Oxygen is produced (correct answer)
• b. Carbon dioxide is produced
• c. Sulfur granules are produced
• d. Hydrogen sulfide is produced

BACK TO GAME
40
Topic 4 Photosynthesis 500 Question

• In cyclic photophosphorylation, the electrons
• a. Return to chlorophyll
• b. Are incorporated in NADPH
• c. Are converted to ATP
• d. Are converted to glucose

ANSWER
BACK TO GAME
41
Topic 4 Photosynthesis 500 Answer

• In cyclic photophosphorylation, the electrons
• a. Return to chlorophyll (correct
  answer)
• b. Are incorporated in NADPH
• c. Are converted to ATP
• d. Are converted to glucose

BACK TO GAME
42
Topic 5 Metabolic Pathways100 Question

• In glycolysis, for each molecule of glucose that
  is oxidized there is a net gain of
• a. Two molecules of ATP
• b. Four molecules of ATP
• c. Six molecules of ATP
• d. Eight molecules of ATP

ANSWER
BACK TO GAME
43
Topic 5 Metabolic Pathways100 Answer

• In glycolysis, for each molecule of glucose that
  is oxidized there is a net gain of
• a. Two molecules of ATP (correct
  answer)
• b. Four molecules of ATP
• c. Six molecules of ATP
• d. Eight molecules of ATP

BACK TO GAME
44
Topic 5 Metabolic Pathways 200 Question

• In microbiology, fermentation is best defined as
• a. Spoilage of food
• b. Carbon fixation
• c. Release of energy by oxidation
• d. Release of energy by reduction

ANSWER
BACK TO GAME
45
Topic 5 Metabolic Pathways 200 Answer

• In microbiology, fermentation is best defined as
• a. Spoilage of food
• b. Carbon fixation
• c. Release of energy by oxidation (correct
  answer)
• d. Release of energy by reduction

BACK TO GAME
46
Topic 5 Metabolic Pathways 300 Question

• One test that helps to differentiate between
  Escherichia coli and Pseudomonas aeruginosa is
• a. urease
• b. Nitrate reduction
• c. Glucose fermentation
• d. Carbon dioxide production

ANSWER
BACK TO GAME
47
Topic 5 Metabolic Pathways 300 Answer

• One test that helps to differentiate between
  Escherichia coli and Pseudomonas aeruginosa is
• a. urease
• b. Nitrate reduction
• c. Glucose fermentation (correct answer)
• d. Carbon dioxide production

BACK TO GAME
48
Topic 5 Metabolic Pathways 400 Question

• The urease test signaling the production of
  urease is used to identify
• a. Mycobacterium tuberculosis
• b. Mycobacterium leprae
• c. Chlamydia tradhomatis
• d. Staphylococcus aureus

ANSWER
BACK TO GAME
49
Topic 5 Metabolic Pathways 400 Answer

• The urease test signaling the production of
  urease is used to identify
• a. Mycobacterium tuberculosis (correct
  answer)
• b. Mycobacterium leprae
• c. Chlamydia trachomatis
• d. Staphylococcus aureus

BACK TO GAME
50
Topic 5 Metabolic Pathways 500 Question

• Which of the following uses glucose for carbon
  and energy?
• a. photoautotroph
• b. Chemoautotroph
• c. photoheterotroph
• d. chemoheterotroph

ANSWER
BACK TO GAME
51
Topic 5 Metabolic Pathways 500 Answer

• Which of the following uses glucose for carbon
  and energy?
• a. photoautotroph
• b. Chemoautotroph
• c. photoheterotroph
• d. chemoheterotroph (correct answer)

BACK TO GAME
52
FINAL ROUND Question

• How does a noncompetitive inhibitor interfere
  with an enzyme reaction?
• a. It binds to the substrate.
• b. It binds to the active site.
• c. It binds to the allosteric site.
• d. It binds to the cofactor.

ANSWER
BACK TO GAME
53
FINAL ROUND Answer

• How does a noncompetitive inhibitor interfere
  with an enzyme reaction?
• a. It binds to the substrate.
• b. It binds to the active site.
• c. It binds to the allosteric site. (correct
  answer)
• d. It binds to the cofactor.

BACK TO GAME