Pyruvate role in cellular respiration
[DOC File]AP Biology
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Feedback mechanisms control cellular respiration (p. 173, FIGURE 9.20) Cellular respiration is controlled by allosteric enzymes at key points in glycolysis and the Krebs cycle. This helps the cell strike a moment-to-moment balance between catabolism and anabolism. Chapter 9 - Review Questions ___ 1.
[DOC File]Cell Metabolism Worksheet
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What is the role of an oxidizing agent and what happens to an oxidizing agent when it carries out its task (what does it become, oxidized or reduced)? Write the overall balanced chemical equation for cellular respiration. Name the three phases of cellular respiration? Which of these phases can take place in the absence of oxygen?
[DOC File]CHAPTER 9 CELLULAR RESPIRATION: HARVESTING CHEMICAL …
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In cellular respiration, the electrons of NADH are ultimately passed to O2, generating ATP by oxidative phosphorylation. More ATP is generated from the oxidation of pyruvate in the citric acid cycle. Without oxygen, the energy still stored in pyruvate is unavailable to the cell.
[DOC File]Biology Tests and Procedures | Biology Junction
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Pyruvate enters a mitochondrion (if oxygen is available) and cellular respiration ensues. 6. If oxygen is not available, fermentation occurs and pyruvate undergoes reduction.
[DOC File]AP Biology: Cellular Respiration Review
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b. it is the pathway common to fermentation and respiration. c. it does not take place in a specialized membrane bound organelle. d. pyruvate is more reduced than CO2; it …
[DOCX File]Cellular Respiration Animation Notes KEY
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What is their role in the electron transport chain, and what happens after they fulfill their role? ... View the following animation on cellular respiration at the following URL, or a similar one, to increase knowledge and understanding of cellular respiration. ... The glucose is now two pyruvate molecules. What are the products of glycolysis?
[DOC File]SL IB Biology II – Cell Respiration Practice #1
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(b) Outline the role of chlorophyll and the effects of temperature, light intensity and carbon dioxide concentration on the rate of photosynthesis. (6) (c) Explain the production of energy during aerobic respiration from pyruvate that has been produced by glycolysis.
[DOC File]STUDY GUIDE: GLYCOLYSIS, FERMENTATION AND …
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Explain how the molecular reactions of cellular respiration transform the chemical bond energy of krebs cycle substrates into the more readily available bond energy of ATP. Include in your discussion the structure of the mitochondrion and show how it is important to the reactions of the Krebs cycle and the electron transport chain.
[DOC File]2 - Lagan Biology Department - Home
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Here the pyruvate is converted to ethanol and Carbon Dioxide. During glycolysis NAD is reduced and the hydrogen I s transferred to the electron transport chain. If all the NAD in a cell are converted to Reduced NAD then respiration will stop- no more available NAD to accept the hydrogen.
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