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Exercise physiology

chapter 9 test biology

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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.

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

Body Systems

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The Nervous System Function: The function of the nervous system is to control and coordinate functions throughout the body and respond to external and internal stimuli. The nervous system is divided into 2 parts the PNS (peripheral nervous system) and the CNS (central nervous system), and is in control of both. Nerve signals are transmitted through these systems. Interdependence: The nervous system relies on the muscular system to work properly. Organism Comparison: A flatworm?s nervous system is simpler compared to humans. It has nerve cords that control its actions. The Skeletal System

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