Question 1

The dark reactions of photosynthesis are directly coupled to chlorophyll and light energy.

Accepted Answer

A) True 
 B)False

Question 2

Plastoquinone (PQ) is involved as an electron carrier from either PS II or PS I to cytochrome bf. In transferring electrons from PS I, the plastoquinone is part of cyclic electron flow, while in the case of transfer from PS II it is not. What is the key difference between the two processes?

Accepted Answer

In the case of PS I, the elect

Question 3

Oxidation of one molecule of NADH leads to the synthesis of how many molecules of ATP?

Accepted Answer

The answer of Oxidation of one molecule of NADH leads...

Question 4

The mode of action of mitochondrial ATP synthase involves mechanical coupling between protein subunits and hence can be considered an example of a rotary motor.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following is a product of glycolysis that is transported into the mitochondria?

Accepted Answer

A)  Acetate as acetyl CoA 
B)  Pyruvate 
C)  Ethanol 
D)  Lactic acid 
A)  Acetate as acetyl CoA 
B)  Pyruvate 
C)  Ethanol 
D)  Lactic acid

Question 6

Polymerization of DNA and RNA is driven by _______ as activated precursors.

Accepted Answer

nucleoside

Question 7

The mobile carrier that transfers electrons from Complex I or II to Complex III of the electron transport chain is called _______.

Accepted Answer

coenzyme Q

Question 8

In eukaryotic cells, the citric acid cycle occurs in the

Accepted Answer

A)  cytosol. 
B)  nucleus. 
C)  mitochondria. 
D)  chloroplasts. 
A)  cytosol. 
B)  nucleus. 
C)  mitochondria. 
D)  chloroplasts.

Question 9

The $\Delta$ G°'  for hydrolysis of ATP to ADP and Pi is _______ kcal/mole.

Accepted Answer

A)  +14 
B)  +7.3 
C)  -7.3 
D)  -0.5 
A)  +14 
B)  +7.3 
C)  -7.3 
D)  -0.5

Question 10

Through the oxidation process, fatty acids produce approximately _______ energy per gram compared to carbohydrates.

Accepted Answer

A)  the same 
B)  50% more 
C)  2.5 times more 
D)  5 times more 
A)  the same 
B)  50% more 
C)  2.5 times more 
D)  5 times more

Question 11

In anaerobic reactions, pyruvate is converted to either lactate or ethanol. In both of these anaerobic reactions, the cofactor NADH is oxidized to NAD+, which then can be used to perform what function?

Accepted Answer

NAD⁺ is a required electron acc

Question 12

Coenzyme Q carries electrons from complex _______ to complex _______.

Accepted Answer

A)  I; II 
B)  II; III 
C)  I; III 
D)  III; IV 
A)  I; II 
B)  II; III 
C)  I; III 
D)  III; IV

Question 13

The light reactions in photosynthesis produce _______ and _______ while the dark reactions produce _______.

Accepted Answer

ATP (NADPH

Question 14

Where in "typical" eukaryotic cells does oxidative phosphorylation of ATP occur? Be specific if the process or event occurs in only one part of an organelle. If you are not sure, give the location of the enzymes that catalyze the process.

Accepted Answer

The inner

Question 15

The final electron acceptor in oxidative phosphorylation is O2.

Accepted Answer

A) True 
 B)False

Question 16

If the equilibrium constant for the reaction A $\leftrightarrow$B is 0.5, and the initial concentration of A is 30 mM and of B is 15 mM, then the reaction

Accepted Answer

A)  will proceed in the direction it is written, producing a net increase in the concentration of B. 
B)  will produce energy, which can be used to drive ATP synthesis. 
C)  will proceed in the reverse direction, producing a net increase in the concentration of A. 
D)  is at equilibrium. 
A)  will proceed in the direction it is written, producing a net increase in the concentration of B. 
B)  will produce energy, which can be used to drive ATP synthesis. 
C)  will proceed in the reverse direction, producing a net increase in the concentration of A. 
D)  is at equilibrium.

Question 17

Gluconeogenesis normally starts from

Accepted Answer

A)  amino acids. 
B)  glycerol. 
C)  lactate. 
D)  All of the above 
A)  amino acids. 
B)  glycerol. 
C)  lactate. 
D)  All of the above

Question 18

In which location does cytochrome c carry electrons from complex III to complex IV?

Accepted Answer

In the intermembrane

The dark reactions of photosynthesis are directly coupled to chlorophyll and light energy.

Plastoquinone (PQ) is involved as an electron carrier from either PS II or PS I to cytochrome bf. In transferring electrons from PS I, the plastoquinone is part of cyclic electron flow, while in the case of transfer from PS II it is not. What is the key difference between the two processes?

Oxidation of one molecule of NADH leads to the synthesis of how many molecules of ATP?

The mode of action of mitochondrial ATP synthase involves mechanical coupling between protein subunits and hence can be considered an example of a rotary motor.

Which of the following is a product of glycolysis that is transported into the mitochondria?

Polymerization of DNA and RNA is driven by _______ as activated precursors.

The mobile carrier that transfers electrons from Complex I or II to Complex III of the electron transport chain is called _______.

In eukaryotic cells, the citric acid cycle occurs in the

The $\Delta$ G°' for hydrolysis of ATP to ADP and P_i is _______ kcal/mole.

Through the oxidation process, fatty acids produce approximately _______ energy per gram compared to carbohydrates.

In anaerobic reactions, pyruvate is converted to either lactate or ethanol. In both of these anaerobic reactions, the cofactor NADH is oxidized to NAD⁺, which then can be used to perform what function?

Coenzyme Q carries electrons from complex _ to complex _.

The light reactions in photosynthesis produce ___ and _ while the dark reactions produce _____.

Where in "typical" eukaryotic cells does oxidative phosphorylation of ATP occur? Be specific if the process or event occurs in only one part of an organelle. If you are not sure, give the location of the enzymes that catalyze the process.

The final electron acceptor in oxidative phosphorylation is O₂.

If the equilibrium constant for the reaction A $\leftrightarrow$ B is 0.5, and the initial concentration of A is 30 mM and of B is 15 mM, then the reaction

Gluconeogenesis normally starts from

In which location does cytochrome c carry electrons from complex III to complex IV?

An Overview of Cells and Cell Research

Molecules and Membranes

Fundamentals of Molecular Biology

Genomics, Proteomics, and Systems Biology

Genes and Genomes

Replication, Maintenance, and Rearrangements of Genomic Dna

RNA Synthesis and Processing

Transcriptional Regulation and Epigenetics

Protein Synthesis, Processing, and Regulation

The Nucleus

Protein Sorting and Transport

Mitochondria, Chloroplasts, and Peroxisomes

The Cytoskeleton and Cell Movement

The Plasma Membrane

Cell Walls, the Extracellular Matrix, and Cell Interactions

Cell Signaling

The Cell Cycle

Cell Death and Cell Renewal

Cancer

Filters

Exam 3: Bioenergetics and Metabolism

The dark reactions of photosynthesis are directly coupled to chlorophyll and light energy.

Plastoquinone (PQ) is involved as an electron carrier from either PS II or PS I to cytochrome bf. In transferring electrons from PS I, the plastoquinone is part of cyclic electron flow, while in the case of transfer from PS II it is not. What is the key difference between the two processes?

Oxidation of one molecule of NADH leads to the synthesis of how many molecules of ATP?

The mode of action of mitochondrial ATP synthase involves mechanical coupling between protein subunits and hence can be considered an example of a rotary motor.

Which of the following is a product of glycolysis that is transported into the mitochondria?

Polymerization of DNA and RNA is driven by _______ as activated precursors.

The mobile carrier that transfers electrons from Complex I or II to Complex III of the electron transport chain is called _______.

In eukaryotic cells, the citric acid cycle occurs in the

The Δ\DeltaΔ G°' for hydrolysis of ATP to ADP and Pi is _______ kcal/mole.

Through the oxidation process, fatty acids produce approximately _______ energy per gram compared to carbohydrates.

In anaerobic reactions, pyruvate is converted to either lactate or ethanol. In both of these anaerobic reactions, the cofactor NADH is oxidized to NAD+, which then can be used to perform what function?

Coenzyme Q carries electrons from complex _______ to complex _______.

The light reactions in photosynthesis produce _______ and _______ while the dark reactions produce _______.

Where in "typical" eukaryotic cells does oxidative phosphorylation of ATP occur? Be specific if the process or event occurs in only one part of an organelle. If you are not sure, give the location of the enzymes that catalyze the process.

The final electron acceptor in oxidative phosphorylation is O2.

If the equilibrium constant for the reaction A ↔\leftrightarrow↔ B is 0.5, and the initial concentration of A is 30 mM and of B is 15 mM, then the reaction

Gluconeogenesis normally starts from

In which location does cytochrome c carry electrons from complex III to complex IV?

An Overview of Cells and Cell Research

Molecules and Membranes

Fundamentals of Molecular Biology

Genomics, Proteomics, and Systems Biology

Genes and Genomes

Replication, Maintenance, and Rearrangements of Genomic Dna

RNA Synthesis and Processing

Transcriptional Regulation and Epigenetics

Protein Synthesis, Processing, and Regulation

The Nucleus

Protein Sorting and Transport

Mitochondria, Chloroplasts, and Peroxisomes

The Cytoskeleton and Cell Movement

The Plasma Membrane

Cell Walls, the Extracellular Matrix, and Cell Interactions

Cell Signaling

The Cell Cycle

Cell Death and Cell Renewal

Cancer

Filters

The $\Delta$ G°' for hydrolysis of ATP to ADP and P_i is _______ kcal/mole.

In anaerobic reactions, pyruvate is converted to either lactate or ethanol. In both of these anaerobic reactions, the cofactor NADH is oxidized to NAD⁺, which then can be used to perform what function?

Coenzyme Q carries electrons from complex _ to complex _.

The light reactions in photosynthesis produce ___ and _ while the dark reactions produce _____.

The final electron acceptor in oxidative phosphorylation is O₂.

If the equilibrium constant for the reaction A $\leftrightarrow$ B is 0.5, and the initial concentration of A is 30 mM and of B is 15 mM, then the reaction