Photosynthetic pigment composition

Fig. 8.7 The chlorophylls. (a) a/b. In chlorophyll b the -CH3 on ring II is replaced by a -CHO. In chlorophylls a2 and b2 the ethyl on ring II is replaced by a vinyl. (b) cj/c2. In c1 R is -C2H5; in c2 R is -CH=CH2.

Fig. 8.7 The chlorophylls. (a) a/b. In chlorophyll b the -CH3 on ring II is replaced by a -CHO. In chlorophylls a2 and b2 the ethyl on ring II is replaced by a vinyl. (b) cj/c2. In c1 R is -C2H5; in c2 R is -CH=CH2.

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