'Net gain 2 atp' diaporamas de présentation

ENERGY AND LIFE Energy is the force that makes it possible to do work.

ENERGY CONVERSION PROCESSES. ENERGY AND LIFE Energy is the force that makes it possible to do work. Almost everything that a cell does require energy. Living things can only use chemical energy to carry out their life functions. Living things rely on the chemical energy stored in their food.

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ATP

Making energy!. ATP. The point is to make ATP !. The energy needs of life. Organisms are endergonic systems What do we need energy for? synthesis building biomolecules reproduction movement active transport temperature regulation. Where do we get the energy from?.

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Chapter 9 Warm-Up

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CHY2026: General Biochemistry

CHY2026: General Biochemistry. Unit 7& 8: Carbohydrate Metabolism. Metabolism. Bioenergetics is the transfer and utilization of energy in biological systems

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Cellular Respiration Harvesting Chemical Energy

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CHAPTER 5B

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Energy in a Cell

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Cellular Respiration Stage 1: Glycolysis

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Cellular Respiration Harvesting Chemical Energy

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Cellular Respiration Stage 2 & 3: Oxidation of Pyruvate Krebs Cycle

Cellular Respiration Stage 2 & 3: Oxidation of Pyruvate Krebs Cycle. glucose ? ? ? ? ? pyruvate. 6C. 3C. 2 x. pyruvate ? ? ? ? ? ? CO 2. Glycolysis is only the start. Glycolysis Pyruvate has more energy to yield 3 more C to strip off (to oxidize )

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Chapter 9. Cellular Respiration STAGE 1: Glycolysis

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DHAP

PGAL. DHAP. DHAP. PGAL. DPGA. PGAL. 3PGA. DPGA. 2PGA. 3PGA. 2PGA. PEP. PEP. PYRUVATE. + 4 ATP. - 2ATP. Net gain: +2 ATP. PREPARATORY STEP: OXIDATIVE DECARBOXYLATION OF PYRUVATE.

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