Cellular Respiration Lab
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Citric acid cycle
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AP Bio Reading Guide Answers CH 9
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Copyright ? 2011 Pearson Education, Inc. - 1 - Name_______________________Period___________ Chapter 9: Cellular Respiration: Harvesting Chemical Energy Overview: Before getting involved with the details of cellular respiration and photosynthesis, take a second to look at the big picture. Photosynthesis and cellular respiration are key ecological concepts involved with energy flow. Use Figure 9.2 to label the missing parts below. See page 163 of your text for labeled figure. Concept 9.1 Catabolic pathways yield energy by oxidizing organic fuels 1. Explain the difference between fermentation and cellular respiration. Fermentation is a partial degradation of sugars or other organic fuel that occurs without the use of oxygen.
AP Bio Reading Guide Answers CH 9
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Copyright ? 2011 Pearson Education, Inc. - 1 - Name_______________________Period___________ Chapter 9: Cellular Respiration: Harvesting Chemical Energy Overview: Before getting involved with the details of cellular respiration and photosynthesis, take a second to look at the big picture. Photosynthesis and cellular respiration are key ecological concepts involved with energy flow. Use Figure 9.2 to label the missing parts below. See page 163 of your text for labeled figure. Concept 9.1 Catabolic pathways yield energy by oxidizing organic fuels 1. Explain the difference between fermentation and cellular respiration. Fermentation is a partial degradation of sugars or other organic fuel that occurs without the use of oxygen.
Overview of Respiration
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Cellular Respiration?An Overview 1 Cellular Respiration?An Overview What are the phases of cellular respiration? Why? All cells need energy all the time, and their primary source of energy is ATP. The methods cells use to make ATP vary depending on the availability of oxygen and their biological make-up. In many cases the cells are in an oxygen-rich environment. For example, as you sit and read this sentence, you are breathing in oxygen, which is then carried throughout your body by red blood cells. But, some cells grow in envi- ronments without oxygen (yeast in wine-making or the bacteria that cause botulism in canned food), and occasionally animal cells must function without sufficient oxygen (as in running sprints). In this
Cellular Respiration
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Cellular Respiration?An Overview 1 Cellular Respiration?An Overview What are the phases of cellular respiration? Why? All cells need energy all the time, and their primary source of energy is ATP. The methods cells use to make ATP vary depending on the availability of oxygen and their biological make-up. In many cases the cells are in an oxygen-rich environment. For example, as you sit and read this sentence, you are breathing in oxygen, which is then carried throughout your body by red blood cells. But, some cells grow in envi- ronments without oxygen (yeast in wine-making or the bacteria that cause botulism in canned food), and occasionally animal cells must function without sufficient oxygen (as in running sprints). In this
Cellular respiration review sheet
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CELLULAR RESPIRATION MULTIPLE CHOICE. Circle ALL that are TRUE. There may be more than one correct answer. _______________________ is the first step in cellular respiration that begins releasing energy stored in glucose. A. Alcoholic fermentation B. Lactic acid fermentation C. Glycolysis D. Electron transport chain The carriers for energy and high energy electrons during GLYCOLYSIS are ________. A. ATP B. NADH C. FADH2 D. NADPH If oxygen is NOT present, glycolysis is followed by _____________________ A. Krebs cycle B. electron transport chain C. fermentation Name the 3 carbon molecule produced when glucose is broken in half during glycolysis. A. pyruvic acid B. lactic acid C. Acetyl-CoA D. citric acid
Test on Metabolism and Energy Chapter 7 and 8
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Name: ______________________ Class: _________________ Date: _________ ID: A 1 Test on Energy and Metabolism--Chapters 7 and 8 Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 1 An endergonic reaction can proceed only if it absorbs: A. less free energy than was released by a coupled endergonic reaction. B. the same amount of free energy that is absorbed by the enzymatic breakdown of proteins. C. energy from ADP, forming ATP. D. less free energy than is released by a coupled exergonic reaction. E. more free energy than is released by a coupled exergonic reaction. ____ 2 If one continues to increase the temperature in an enzyme-catalyzed reaction, the rate of the reaction: A. decreases and then levels off.
AP Bio Unit Objectives (Chapter 9)
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Chapter 9: Cellular Respiration, Harvesting Chemical Energy The principles of energy harvest Cellular respiration and fermentation are catabolic energy yielding pathways Cells recycle ATP they use for work Redox reactions release energy when electrons move closer to electronegative atoms Electrons ?fall? from organic molecules to oxygen during cellular respiration The ?fall? is stepwise during respiration via NAD+ and an electron transport chain The process of cellular respiration Respiration involves glycolysis, Krebs cycle and electron transport Glycolysis harvests chemical energy by oxidizing glucose to pyruvate The Krebs cycle completes the energy yielding oxidation of organic molecules
bio, cell respiration
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AP Biology Name _________________________ Chapter 9 Guided Reading Assignment? ? Define the two catabolic pathways: Fermentation? Cellular respiration?? Use the following terms correctly in a sentence: redox reactions, oxidation, reduction, reducing agent and oxidizing agent.??? Why is being ?reduced? equivalent to having a greater potential energy????? In cellular respiration, what is being oxidized and what is being reduced??? Label the diagram below of the electron movement with regard to the coenzyme NAD+. Use Fig 9.4.????? Why are electron transport chains an advantage to living systems??? What are the three stages of aerobic cellular respiration??? What is substrate-level phosphorylation??? Complete the chart below re: glycolysis???
Biology Map
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9.4: During oxidative phosphorylation, chemiosmosis couples electron transport to ATP synthesis. The electron transport chain and the electron flow down the chain is coupled to ATP synthesis. The electron transport chain is a collection of molecules embedded in the inner membrane of the mitochondrion in eukaryotic cells. Most components of the chain are proteins. Tightly bound to these proteins are prosthetic groups, nonprotein components essential for the catalytic functions of certain enzymes. During the e- transport along the chain, e- carriers alternate between reduced and oxidized states as they accept and donate e-. Each component of the chain becomes reduced when it accepts e- from its ?uphill? neighbor, which has
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