BIOL 213 Chapter Notes - Chapter 10: Mitochondrion, Photon, Photosystem
17 Oct 2016
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Review session: monday 2-4 5-7 wed 2-4 pm 4208 exploratory. Photosynthesis rates increase as atmospheric co2 concentration increases. Anabolic process which energy of sunlight captured and used to convert carbon dioxide into more complex carbon containing compounds. Stable isotope 18o use to confirm the hypothesis that o2 generate during photosynthesis came from water. Oxygen atoms in h2o = reduced state; oxidized to o2. Co2 atoms = oxidized state in co2 ; reduced to carbohydrate. Show that o2 come from h2o in oxygenic photosynthesis. Result show all oxygen gas produced from photosynthesis. Donor of protons & electrons in oxygenic photosynthesis. Other molecules donate the protons and electrons. Spread as waves - the amount of energy is inversely proportion to wavelength. ***absorbed energy boosts electron in molecule into shell farther from nucleus. Electron = less firm/ molecule more unstable and reactive. Pigments: molecules that absorb specific wavelengths in visible range. Chlorophyll: absorbs blue and red light and scatters green.
