BIOL 1001March 5

BIOL 1001March 5 - 1 First scientist(1961 to propose...

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BIOL 1001 March 5, 2010 Oxygen is a By-Product of Photosynthesis Chemiosmosis: 1. ATP generation in chloroplasts, mitochondria, and bacteria 2. As excited electrons are passed down the ETS, protons are pumped across a membrane to form a concentration gradient. 3. As the protons come back through a membrane channel protein (facilitated diffusion) ATP is generated ATP synthase: a molecular motor Dr. Peter Mitchell (1920-1992)
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Unformatted text preview: 1. First scientist(1961) to propose general mechanism of ATP synthesis 2. Called Chemiosmosis 3. Occurs in chloroplasts, mitochondria, and bacteria • Mitchell was awarded the Nobel Prize for Chemistry In 1978 Generate: ATP What exactly occurs in chemimiosis? QUIZ: Where does the oxygen gas produced during photosynthesis come from? a. Carbon dioxide b. Water c. ATP d. The atmosphere...
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