KINE 2011 Lecture Notes - Lecture 1: Ferredoxin, Photorespiration, Chloroplast
25 Oct 2017
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How products of photosy(cid:374)thesis sustai(cid:374)s (cid:373)ost orga(cid:374)is(cid:373)s: describe how products of photosynthesis sustain most organisms on earth. Oxygen is essential for all animals & organisms as it is a reactant in cellular respirations. It acts as a final electrons acceptor in cellular respiration: list & describe the states of oxygenic photosynthesis. What occurs at each stage in brief: when carbon dioxide is low, rubisco catalyzes the reactions of oxygen with rubp instead of carbon dioxide. In this case, rubisco is considered a oxygenase. When a photon of the wavelength 680 nm strikes the reaction center, the electrons are excited to a higher energy level: psi it contains p700 nm. The excited electrons get accepter to primary electron acceptor, then to ferredoxin and then to nadp+ reductase: describe how atp is produced in light-dependant reactions, electron transport uses the energy to pump hydrogen ions across a membrane. The protons pass back through atp synthase, driving the production of atp.
