Photosynthesis in Higher Plants

Biology · Chapter 13 · Unit 4: Plant Physiology

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Photosynthesis as autotrophic nutrition; site; pigments (chlorophyll a and b, carotenoids, xanthophylls); absorption and action spectra
Photochemical phase: photosystems I and II, light-harvesting complex; cyclic and non-cyclic photophosphorylation; chemiosmotic hypothesis
Biosynthetic phase: C3 (Calvin) cycle - carboxylation, reduction and regeneration
C4 (Hatch and Slack) pathway and Kranz anatomy; differences between C3 and C4 plants
Photorespiration: RuBisCO as oxygenase, pathway in brief and significance
Blackman's law of limiting factors; effect of light, CO2, temperature and water