As electrons fall from one complex to another in the Electron Transport Chain, the energy they release powers which of the following processes? O The reduction of NAD+ and FAD. The production of ATP. Catalyzing the anabolic reaction of oxygen bonding with hydrogen to create water. O Transporting H+ ions across the inner membrane.

The energy provided by the mitochondrial proton gradient is used to drive the production of ATP by ATP synthase. the transport of pyruvate from the inner membrane space into the mitochondrial matrix. the transport of ATP from the mitochondrial matrix to the inner membrane space. the transport of ADP from the inner membrane spance into the mitochondrial matrix. all of the above

CHECK YOUR UNDERSTANDING 区 CHECK YOUR UNDERSTANDING 区 What happens to the electron transport chain if oxygen is lacking? What is the primary function of the electron transport chain? More NADH would be formed. to create carbon dioxide and water O The electrons would be recycled back to NAD+. O The protons would be released as hydrogen gas. O The proton gradient would disappear. to use available oxygen to harvest the remaining energy available in a glucose molecule ATP ATP ATP ATP ATP FADH2 ATP ATP NADH ATP ATP Glucose Electron Electron Concentration carriers transport gradient ATP ATP ATP ATP CHECK YOUR UNDERSTANDING What is the overall purpose of cellular respiration? O to breakdown glucose O to capture energy contained in the bonds of glucose in molecules of ATP O to make water and carbon dioxide O to convert the higher energy electrons into lower energy electrons to make ATP CHECK YOUR UNDERSTANDING 区 Where was the energy in the original glucose molecule? O stored in the protons of…

In the processes that occur in the breakdown of pyruvate in the mitochondrion, chemical energy is extracted from pyruvate and used to recharge ADP's into ATP's.  Most of the chemical energy that was in the pyruvate when it entered the mitochondrion ends up as:   Heat   carbon dioxide   ATP   Water