Quantasome: Size and Composition.
The quantasome as seen in a two-dimensional crystalline array is 185 A long, 155 A wide, and 100 A thick. The surface of the quantasome appears to contain four or more subunits. The molecular weight, determined from volume and density measurements, is 2 x 10(6) This is twice the minimum molecular weight calculated from the manganese content and corresponds to a chlorophyll content of 230 chlorophyll molecules per quantasome.
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