Lecture 9_Energetics_iClicker

On substrate level phosphorylaon electrons carried via

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Unformatted text preview: y for synthesis of ATP ATP Free energy, G ort ransp ron t ain Elect ch Free energy, G 2 H+ + 2 e– Explosive release of heat and light energy 1/ O 2 2 + 2 H (from food via NADH) ATP ATP 2 e– 1/ O 2 2 2 H+ H2O (a) Uncontrolled reac.on H2O (b) Cellular respira.on Cellular respira.on can best be described as A) Using heat released from breaking high- energy covalent bonds in organic molecules to make ATP B) Taking electrons from food and giving them to phosphate to make ATP C) Taking electrons from food and transferring them to oxygen to make water, and using the energy released to make ATP D) Reducing large organic molecules to smaller organic molecules, and using the energy released to make ATP The Stages of Cellular Respira<on: A Preview •  Cellular respira<on has three stages: –  Glycolysis (breaks down glucose into two molecules of pyruvate) –  The citric acid cycle (completes the breakdown of glucose) –  Oxida.ve phosphoryla.on (accounts for...
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This document was uploaded on 03/06/2013.

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