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| Description: Most chlorophyll molecules are used as antennae to catch photons and pass their energy on to reaction centers. Three-dimensional structure of the trimeric light-harvesting complex II of plants. The X-ray structure of the pea LHCII shows that the protein exists as a homotrimer buried in the thylakoid membrane. Each trimer contains 24 chlorophyll a molecules, 18 chlorophyll b molecules, and 12 carotenoids (luteins and xanthophylls), all serving as antenna molecules. Picture Stats: Views: 253 Filesize: 468.14kB Height: 675 Width: 456 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=33985 |