AP Biology Cellular Respiration Part 1. Electron Transport chain creating a concentration gradient in a Thylakoid.

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Presentation transcript:

AP Biology Cellular Respiration Part 1

Electron Transport chain creating a concentration gradient in a Thylakoid

Redox reaction

Energy Coupling between Photosynthesis and Cellular Respiration ECOSYSTEM Light energy Photosynthesis in chloroplasts Cellular respiration in mitochondria Organic molecules + O 2 CO 2 + H 2 O ATP powers most cellular work Heat energy

Cellular Energy

Is Oxygen present?

Photosynthesis and Cellular Respiration chemical reactions (Remember… conservation of matter.) 6 CO2 + 6 H2O  C6H12O6 + 6 O2 + Heat Photosynthesis C6H12O6 + 6O2  6CO2 + 6H2O + Heat + Free E Cellular Respiration

ATP Structure

Phosphorylation using Free energy

Redox reaction

Valence is important with electronegativity

Series of Redox reaction (Electron Transport chain)

“Making” of electron carriers NAD⁺ +2 electrons + H⁺ ion = NADH FAD⁺ + 2 electrons + 2 H⁺ ions = FADH₂

Electron Transport Chain is ALWAYS located on a membrane

Oxygen is at the end

Process of Cellular Respiration

Energy Investment Phase & Phosphofructokinase

Energy Payoff Phase