1. Microbial Metabolism In Class Activity

2. What is the name of the process in which larger molecules are broken down into smaller products to release energy?
anabolism
metabolism
catabolism
digestion

3. What is the name of the process in which larger molecules are broken down into smaller products to release energy?
anabolism
metabolism
catabolism
digestion

4. It degenerates. It is reduced. It becomes unstable. It is oxidized.
When electrons are transferred from donor molecules to acceptor molecules in a redox reaction, what happens to the donor molecule?
It degenerates.
It is reduced.
It becomes unstable.
It is oxidized.

5. It degenerates. It is reduced. It becomes unstable. It is oxidized.
When electrons are transferred from donor molecules to acceptor molecules in a redox reaction, what happens to the donor molecule?
It degenerates.
It is reduced.
It becomes unstable.
It is oxidized.

6. In the following reaction, is carbon being oxidized or reduced
In the following reaction, is carbon being oxidized or reduced? C5H12 + O2  CO2 + H2O In the following reaction, is carbon being oxidized or reduced? 2 C4H O2  8 CO H2O In the following reaction, identify what is being oxidized and reduced: Mg + 2 Cu+  Mg Cu

7. In the following reaction, is carbon being oxidized or reduced
In the following reaction, is carbon being oxidized or reduced? C5H12 + O2  CO2 + H2O In the following reaction, is carbon being oxidized or reduced? 2 C4H O2  8 CO H2O In the following reaction, identify what is being oxidized and reduced: Mg + 2 Cu+  Mg Cu

8. In the following reaction, is carbon being oxidized or reduced
In the following reaction, is carbon being oxidized or reduced? C5H12 + O2  CO2 + H2O In the following reaction, is carbon being oxidized or reduced? 2 C4H O2  8 CO H2O In the following reaction, identify what is being oxidized and reduced: Mg + 2 Cu+  Mg Cu

9. In the following reaction, is carbon being oxidized or reduced
In the following reaction, is carbon being oxidized or reduced? C5H12 + O2  CO2 + H2O In the following reaction, is carbon being oxidized or reduced? 2 C4H O2  8 CO H2O In the following reaction, identify what is being oxidized (Mg) and reduced (Cu): Mg + 2 Cu+  Mg Cu

10. How do enzymes catalyze reactions?
by creating an unstable transition state, that is high energy and will make the reaction run faster
by lowering activation energy needed to trigger a reaction
by changing the thermodynamics of a reaction and making a non-spontaneous reaction into a spontaneous one
by altering the shape of the substrate

11. How do enzymes catalyze reactions?
by creating an unstable transition state, that is high energy and will make the reaction run faster
by lowering activation energy needed to trigger a reaction
by changing the thermodynamics of a reaction and making a non-spontaneous reaction into a spontaneous one
by altering the shape of the substrate

12. DNA polymerase, an enzyme necessary in DNA replication, requires Mg2+ ions to carry out its function. These ions are referred to as
anions
coenzymes
inorganic cofactors
apoenzyme
holoenzyme

13. DNA polymerase, an enzyme necessary in DNA replication, requires Mg2+ ions to carry out its function. These ions are referred to as
anions
coenzymes
inorganic cofactors
apoenzyme
holoenzyme

14. Allosteric inhibition Non-compeitive inhibition Allosteric activation
HMG CoA reductase is an enzyme utilized in the biosynthesis of cholesterol. Statins are drugs that are administered to inhibit HMG CoA reductase; they resemble HMG CoA reductase’s substrate, HMG CoA. What type of inhibition do statins follow?
Allosteric inhibition
Non-compeitive inhibition
Allosteric activation
Competitive inhibition
Uncompetitive inhibition

15. Allosteric inhibition Non-competitive inhibition Allosteric activation
HMG CoA reductase is an enzyme utilized in the biosynthesis of cholesterol. Statins are drugs that are administered to inhibit HMG CoA reductase; they resemble HMG CoA reductase’s substrate, HMG CoA. What type of inhibition do statins follow?
Allosteric inhibition
Non-competitive inhibition
Allosteric activation
Competitive inhibition
Uncompetitive inhibition

16. Competitive inhibitor Uncompetitive inhibitor Allosteric inhibition
Hemoglobin is a protein that is responsible for delivering oxygen to the body’s tissues. Thus, hemoglobin has an oxygen binding site that serves as its “active site,” though it is not a enzyme. Another molecule, 2,3-BPG binds to another site on hemoglobin, and is able to make it so hemoglobin cannot bind oxygen as it normally would. Which of the following best describes the role of 2,3-BPG?
Competitive inhibitor
Uncompetitive inhibitor
Allosteric inhibition
Allosteric activator

17. Competitive inhibitor Uncompetitive inhibitor Allosteric inhibition
Hemoglobin is a protein that is responsible for delivering oxygen to the body’s tissues. Thus, hemoglobin has an oxygen binding site that serves as its “active site,” though it is not a enzyme. Another molecule, 2,3-BPG binds to another site on hemoglobin, and is able to make it so hemoglobin cannot bind oxygen as it normally would. Which of the following best describes the role of 2,3-BPG?
Competitive inhibitor
Uncompetitive inhibitor
Allosteric inhibition
Allosteric activator

18. Which of the following is true of fermentation?
Anaerobic process
Regenerates electron carriers
Creation of lactate and ethanol from 3-phosphoglycerate
I, II, III
I, III I
I, II
II, III

19. Which of the following is true of fermentation?
Anaerobic process
Regenerates electron carriers
Creation of lactate and ethanol from 3-phosphoglycerate
I, II, III
I, III I
I, II
II, III

20. Which cellular process results in the MOST significant production of ATP?
chemiosmosis
glycolysis
Krebs cycle
fermentation

21. Which cellular process results in the MOST significant production of ATP?
chemiosmosis
glycolysis
Krebs cycle
fermentation

22. Where does oxidative phosphorylation occur in eukaryotes?
mitochondrial matrix
inner mitochondrial membrane
cytoplasmic membrane
chloroplast

23. Where does oxidative phosphorylation occur in eukaryotes?
mitochondrial matrix
inner mitochondrial membrane
cytoplasmic membrane
chloroplast

24. Which statement about photosystems is FALSE?
They are embedded in thylakoids.
They use redox reactions to store energy in molecules of ATP.
They are involved in light-dependent and light-independent reactions.
They are involved in noncyclic photophosphorylation.

25. Which statement about photosystems is FALSE?
They are embedded in thylakoids.
They use redox reactions to store energy in molecules of ATP.
They are involved in light-dependent and light-independent reactions.
They are involved in noncyclic photophosphorylation.

26. Which of the following is TRUE of gluconeogenesis?
It is a highly exergonic process.
All of the reactions are catabolic.
The process allows cells to synthesize glucose when the body is low on glucose and high on energy supply
The process allows cells to synthesize glucose when the body is low on glucose and low on energy supply

27. Which of the following is TRUE of gluconeogenesis?
It is a highly exergonic process.
All of the reactions are catabolic.
The process allows cells to synthesize glucose when the body is low on glucose and high on energy supply
The process allows cells to synthesize glucose when the body is low on glucose and low on energy supply

28. Which of the following is present in chemotrophs?
Oxidative phosphorylation
Krebs cycle
Photosystems
Substrate-level phosphorylation
Glycolysis
Photophosphorylation
I, II, III, IV, V, VI
VI, III
I, II, IV, V
I, II, IV, V, VI
I, II, V

29. Which of the following is present in chemotrophs?
Oxidative phosphorylation
Krebs cycle
Photosystems
Substrate-level phosphorylation
Glycolysis
Photophosphorylation
I, II, III, IV, V, VI
VI, III
I, II, IV, V
I, II, IV, V, VI
I, II, V

30. What is a major difference between photosynthesis and cellular respiration?
Cellular respiration occurs in the cytoplasm only while photosynthesis occurs in the inner mitochondrial membrane
A proton motive force is used in cellular respiration but not in photosynthesis
Cellular respiration oxidizes carbon and photosynthesis reduces carbon
The light-independent reactions of photosynthesis make more ATP than cellular respiration
Cellular respiration occurs in autotrophs, while photosynthesis occurs in chemotrophs

31. What is a major difference between photosynthesis and cellular respiration?
Cellular respiration occurs in the cytoplasm only while photosynthesis occurs in the inner mitochondrial membrane
A proton motive force is used in cellular respiration but not in photosynthesis
Cellular respiration oxidizes carbon and photosynthesis reduces carbon
The light-independent reactions of photosynthesis make more ATP than cellular respiration
Cellular respiration occurs in autotrophs, while photosynthesis occurs in chemotrophs