BIO 120 Lecture Notes - Lecture 10: Photorespiration, C4 Carbon Fixation, Stoma

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10 Oct 2017
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Be(cid:272)ause pla(cid:374)ts photosy(cid:374)thesize, their (cid:272)ells do(cid:374)"t (cid:374)eed to (cid:373)ake atp (cid:271)y (cid:272)ellular respiratio(cid:374) and/or fermentation false. The conversion of light energy into chemical energy. 6co2 + 12h20 light energy c6h12o6 + 6h2o + 6o2 (carbon dioxide is reduced to sugar) (water is oxidized to oxygen) Photosynthesis occurs in the mesophyll in the chloroplasts. 2 major features of photosynthesis: first phase: light reaction second phase: calvin cycle. *fungi do not photosynthesize photoautotroph: use light as their source of energy, self-feeders can make an inorganic molecule into an organic molecule (c02) Chloroplasts located primarily in mesophyll cells in leaves of plant. Review structure: light reactions: first stage of photosynthesis, a series of redox reactions used to convert light energy . Atp & nadh (will later be used to make sugars in calvin cycle: water is split (oxidized) at this stage takes place in the thylakoid sacs, pigment molecules are embedded in thylakoid membranes. What are pigments: absorb light energy in.

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