Portage Microbiology Lecture Exam 2
1. True or False. The ²-oxidation pathway ca- True
tabolizes the fatty acid chains of lipids.
2. True or False. Metabolism is a controlled True
set of biochemical reactions that occur in
living organisms in order to maintain life.
3. What is the term for metal ions that assist Cofactor
enzymes during the catalysis reaction?
4. The catabolism of a single molecule of glu- 1. Glycolysis
cose goes through what 3 distinct transi- 2. Fermentation or Respiration
tions? 3. Electron Transport Chain
5. What is the most energetic transition in the Throughout the electron trans-
catabolism of glucose? port chain up to 34 molecules
of ATP are formed. Glycoly-
sis and fermentation/respira-
tion each yield only 2 STP.
6. In order to convert proteins into amino catabolism
acids which metabolic process would be
active?
7. Define catabolism breakdown of larger mole-
cules into subunits
8. How many ATP does the tricarboxylic acid A
(TCA) cycle produce per pyruvate?
A. 1 ATP
B. 2 ATP
C. 4 ATP
D. 34 ATP
9. True or False: The Calvin cycle must occur false
in the absence of light.
10. Describe the energy transfer process rela- ADP undergoes phosphory-
tive to both ATP and ADP. lation to become energy-rich
ATP. A phosphoryl group
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, Portage Microbiology Lecture Exam 2
is added to ADP by way
of photophosphorylation, sub-
strate-level phosphorylation,
or oxidative-level phosphoryla-
tion. ATP is hydrolyzed in order
to become ADP.
11. Identify the reactants of the following Glucose, 2NAD+
chemical equation:
Glucose + 2NAD+ ’ 2 NADH + 2 Pyruvate +
2 ATP
12. True or False. The reactants of the TCA False
cycle directly enter and fuel the electron
transport system.
13. The process of carbon fixation begins with A, B, C, D, E
which of the following reactants: select all
that apply.
A. ATP
B. Glyceraldehyde-3-phosphate
C. CO2
D. NADPH
E. H2O
14. In phosphorylation, the light reactions al- The process of converting light
ways occur where? energy into chemical ener-
gy (photophosphorylation) al-
ways occurs in the membrane.
15. In the absence of glucose, which of the A, C, D
following can be used as alternative energy
sources? Select all that apply.
A. Lactose
B. Nucleic acids
C. Carbohydrates
D. Lipids
16. An organism that obtains its source of autotroph
carbon from inorganic molecules such
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1. True or False. The ²-oxidation pathway ca- True
tabolizes the fatty acid chains of lipids.
2. True or False. Metabolism is a controlled True
set of biochemical reactions that occur in
living organisms in order to maintain life.
3. What is the term for metal ions that assist Cofactor
enzymes during the catalysis reaction?
4. The catabolism of a single molecule of glu- 1. Glycolysis
cose goes through what 3 distinct transi- 2. Fermentation or Respiration
tions? 3. Electron Transport Chain
5. What is the most energetic transition in the Throughout the electron trans-
catabolism of glucose? port chain up to 34 molecules
of ATP are formed. Glycoly-
sis and fermentation/respira-
tion each yield only 2 STP.
6. In order to convert proteins into amino catabolism
acids which metabolic process would be
active?
7. Define catabolism breakdown of larger mole-
cules into subunits
8. How many ATP does the tricarboxylic acid A
(TCA) cycle produce per pyruvate?
A. 1 ATP
B. 2 ATP
C. 4 ATP
D. 34 ATP
9. True or False: The Calvin cycle must occur false
in the absence of light.
10. Describe the energy transfer process rela- ADP undergoes phosphory-
tive to both ATP and ADP. lation to become energy-rich
ATP. A phosphoryl group
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, Portage Microbiology Lecture Exam 2
is added to ADP by way
of photophosphorylation, sub-
strate-level phosphorylation,
or oxidative-level phosphoryla-
tion. ATP is hydrolyzed in order
to become ADP.
11. Identify the reactants of the following Glucose, 2NAD+
chemical equation:
Glucose + 2NAD+ ’ 2 NADH + 2 Pyruvate +
2 ATP
12. True or False. The reactants of the TCA False
cycle directly enter and fuel the electron
transport system.
13. The process of carbon fixation begins with A, B, C, D, E
which of the following reactants: select all
that apply.
A. ATP
B. Glyceraldehyde-3-phosphate
C. CO2
D. NADPH
E. H2O
14. In phosphorylation, the light reactions al- The process of converting light
ways occur where? energy into chemical ener-
gy (photophosphorylation) al-
ways occurs in the membrane.
15. In the absence of glucose, which of the A, C, D
following can be used as alternative energy
sources? Select all that apply.
A. Lactose
B. Nucleic acids
C. Carbohydrates
D. Lipids
16. An organism that obtains its source of autotroph
carbon from inorganic molecules such
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