Chapter 4, Problem 2ACQ

Figure 4.15 Cyanide inhibits cytochrome c oxidase, a component of the electron transport chain. If cyanide poisoning occurs, would you expect the pH of the intermembrane space to increase or decrease? What affect would cyanide have on ATP synthesis?

Figure 4.15 (a) The electron transport chain is a set of molecules that supports a series of oxidation-reduction reactions. (b) ATP synthase is a complex, molecular machine that uses an H⁺ gradient to regenerate ATP from ADP. (c) Chemiosmosis relies on the potential energy provided by the H⁺ gradient across the membrane.