FIGURE 3 Schematic diagram of the 10 nm diameter chromatin fiber.

FIGURE 4 Crystal structure of the Nucleosome.

SOURCE: Luger, K., Mäder, A. W., Richmond, R. K., Sargent, D. F., and Richmond, T. J. (1997). Crystal structure of the nucleosome core particle at 2.8 Å resolution. Nature 389:251-260.

FIGURE 5 A variety of biological phenomena involve chromatin.

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