330JP15 - BISC 330L Dr. John Petruska 330JP15.ppt Lect. 14...

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BISC 330L Dr. John Petruska 330JP15.ppt and Lecture 15 References: (3rd Ed 2005), Chap. 21, 31.3 (6th Ed 2007), Chap. 19, 30.6
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Fig. 21.5 Structure of chlorophyll a, b: a (R = CH 3 ), b (R = CHO). Hydrophobic C 20 tail of phytol, HO-(ipu) 4 (ipu = isopentenyl unit) (IV reduced) _ | | ipu _| _ | | ipu _| _ | | ipu _| _ | | ipu _|
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Fig. 21.6 Absorption spectra of chlorophylls a and b
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Fig. 21.10 Chlorophyll and other light harvesting pigments absorb and transfer light energy to specialized chlorophyll dimer in reaction center of photosystem complex (PSI or PSII).
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Cytochrome bf Pump H + ATPase Fig. 21.11 Roles of the two photosystems, PSI and PSII, which along with Cyt bf act as proton pumps to concentrate H + used by ATPase to make ATP (from ADP + P i ).
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Fig. 21.12(a) The ” Z” scheme, indicating light-activated electron flow from H 2 O to NADP + . (volts)
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Fig. 21.12(b) Functional relationships among protein complexes in thylakoid membrane: PSII, Cytbf, PSI, and ATPase (called CF CF -ATP synthase, with C meaning chloroplast) F 0 F 1
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Note: The CF 1 CF 0 -ATP synthase of chloroplasts is very similar to the F 1 F 0 -ATP synthase of mitochondria, shown in Fig. 20.25
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Model of F
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This note was uploaded on 05/03/2010 for the course BISC 330L taught by Professor Petruska,tower during the Spring '07 term at USC.

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330JP15 - BISC 330L Dr. John Petruska 330JP15.ppt Lect. 14...

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