Proton gradients
Complete the following sentences to describe how energy from redox reactions is used to create a proton gradient in the electron
transport chain of cellular respiration.
water ATP synthase
Coenzymes NADH and FADH? are ______ and release ______ to the electron transport chain.
oxygen matrix
As this occurs, ______ are pumped across the membrane into the ______, beginning to establish a concentration gradient.
coenzyme Q D
Meanwhile, the donated ______ are transported first to ______ and next to the cytochrome ______ complex within the electron transport chain, and more ______ are pumped across the membrane, increasing the concentration gradient.
ATP reductase oxidase
Cytochrome ______ carries two ______ to the ______ cytochrome ______ complex, where they join with the terminal ______ to create ______.
reductase hydrogen ions
intermembrane space protons
Eventually, when enough ______ are built up in the ______, they are transported back to the ______ by ______, and ATP is produced.
C electrons
carbon oxidized
reduced
