A hemoglobin molecule in the ribbon representation, with heme groups shown in the ball-and-stick representation, is shown on a background of red blood cells. A set of four tutorials about chemical process in the blood (Hemoglobin, Ferritin, Dialysis, and Buffers) are described in the article "Blood-Chemistry Tutorials: Teaching Biological Applications of General Chemistry Material" by Rachel E. Casiday, Dewey Holten, Richard Krathen, Regina F. Frey.

The cover was designed by Betsy True.
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