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. 2014 Summer;13(2):338–348. doi: 10.1187/cbe.CBE-13-09-0188

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© 2014 L. K. Wright et al. CBE—Life Sciences Education © 2014 The American Society for Cell Biology. This article is distributed by The American Society for Cell Biology under license from the author(s). It is available to the public under an Attribution–Noncommercial–Share Alike 3.0 Unported Creative Commons License (http://creativecommons.org/licenses/by-nc-sa/3.0).

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Figure 4. — Examples of biological representations that include arrows. (A) The first steps of the metabolic pathway of glycolysis. (B) Electron transport in the mitochondrial membrane.