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Electron transport chain

Campbell AP Bio Study Guide Chapter 9

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Campbell's Biology, 9e (Reece et al.) Chapter 9 Cellular Respiration and Fermentation This is one of the most challenging chapters for students to master. Many students become overwhelmed and confused by the complexity of the pathways, with the multitude of intermediate compounds, enzymes, and processes. The vast majority of the questions in this chapter address central concepts rather than details of these pathways. Other questions have accompanying figures that provide details for reference and ask students to interpret or use these models. Overall, the emphases are on the inputs and outputs of each pathway, the relationships among these pathways, the cellular locations, redox as a central principle in respiration, and chemiosmosis. Multiple-Choice Questions

chapter 9 question

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MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Which of the following statements concerning the breakdown of glucose to CO2 and water is (are) true? A) Adding electrons to another substance is known as reduction. B) The breakdown of glucose is exergonic. C) An electron acceptor is called the reducing agent. D) A and B only are correct. E) A, B, and C are correct. 2) The oxygen consumed during cellular respiration is directly involved in A) the oxidation of pyruvate to acetyl CoA. B) accepting electrons at the end of the electron transport chain. C) glycolysis. D) the citric acid cycle. E) the phosphorylation of ADP. 3) All of the following statements about NAD+ are true except:

Energy in a Cell

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cellular respiration

Adenosine triphosphate

Electron transport chain

Anaerobic respiration

Chapter 9?Energy in a Cell Section 1?The Need for Energy Chemical bonds store energy that can be released when the bond is broken. Some bonds have more energy than others. Cell Energy Plants and other producers are able to trap light energy from the sun. Consumers obtain their energy from producers and other consumers. Cells need energy for active transport, cell division, movement and protein production, transport and storage. Your muscles and organs need energy to work. Energy is stored, at the cellular level, in the bonds of a molecule in your cells that any organelle can use. Adenosine triphosphate (ATP): composed of an adenosine molecule with three phosphate groups attached

reece testbank chap 9

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cellular respiration

Mitochondrial matrix

Substrate-level phosphorylation

Citric acid cycle

Oxidative phosphorylation

Electron transport chain

Nicotinamide adenine dinucleotide

Campbell's Biology, 9e (Reece et al.) Chapter 9 Cellular Respiration and Fermentation This is one of the most challenging chapters for students to master. Many students become overwhelmed and confused by the complexity of the pathways, with the multitude of intermediate compounds, enzymes, and processes. The vast majority of the questions in this chapter address central concepts rather than details of these pathways. Other questions have accompanying figures that provide details for reference and ask students to interpret or use these models. Overall, the emphases are on the inputs and outputs of each pathway, the relationships among these pathways, the cellular locations, redox as a central principle in respiration, and chemiosmosis. Multiple-Choice Questions

Campbell Biology Test Bank Chapter 10

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Light-dependent reactions

Photophosphorylation

Electron transport chain

Campbell's Biology, 9e (Reece et al.) Chapter 10 Photosynthesis

Chapter 9 Practise test

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cellular respiration

Exercise physiology

Metabolic pathways

Plant physiology

Electron transport chain

BIOLOGY: Chapter 9-Cellular Respiration Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ 1. Which of the following is the correct sequence of events in cellular respiration? a. glycolysis ? fermentation ? Krebs cycle b. Krebs cycle ? electron transport ? glycolysis c. glycolysis ? Krebs cycle ? electron transport d. Krebs cycle ? glycolysis ? electron transport ____ 2. Which of the following is released during cellular respiration? a. oxygen b. air c. energy d. lactic acid ____ 3. Cellular respiration uses one molecule of glucose to produce a. 2 ATP molecules. b. 34 ATP molecules. c. 36 ATP molecules. d. 38 ATP molecules.

Photosynthesis Powerpoint

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Light-dependent reactions

Photophosphorylation

Electron transport chain

Photosynthesis Energy Transformations ATP is the energy molecule used in all living things, so supplies must be constantly replenished. energy must be added to make ATP, thus ATP formation is an endergonic reaction. ADP + P + energy ---? ATP the addition of a phosphate molecule to ATP is called phosphorylation ATP ---? ADP + P + energy the removal of a phosphate molecule from ATP gives off energy and is called dephosphorylation Electron Transport System (ETS) is the means by which energy production occurs within cells. It is a series of progressively stronger electron acceptors. Each time an electron is transported, energy is either released or absorbed. This is how most of the ATP in plants and animals is formed Redox Reactions

Cellular Repsiration

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cellular respiration

Citric acid cycle

Electron transport chain

Carbohydrate catabolism

Cellular Respiration Plant cells harvest energy from the sun, and store it as glucose. That glucose must be transformed into energy the cell can use, specifically ATP. This takes place in the mitochondria of cells. There are two ways that a cell can harvest energy from the food (glucose) it takes in: Anaerobic Cell Respiration (Fermentation) ? glucose metabolism in the absence of oxygen that produces 2ATP molecules and either ethanol or lactic acid. Involves 2 stages: Glycolysis Fermentation Aerobic Cellular Respiration ? glucose metabolism with oxygen that produces 36 ATP molecules, CO2 and H2O. Involves 4 stages: Glycolysis Pyruvate oxidation Krebs cycle Electron transport and chemiosmosis Stage 1 ? Glycolysis

Mitochondria Lab

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cellular respiration

Oxidative phosphorylation

Citric acid cycle

Electron transport chain

Nicotinamide adenine dinucleotide

Collins Collins Assignment 1 Begin your first experiment by developing a hypothesis to predict what will happen to oxygen consumption in the reaction flask after the addition of pyruvate. Develop a second hypothesis to predict how oxygen consumption will change in the flask upon the addition of pyruvate and ADP.

Cellular Respiration Lab

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cellular respiration

Substrate-level phosphorylation

Citric acid cycle

Electron transport chain

Carbohydrate catabolism

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