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the only step that is regulated a step that is catalyzed by an enzyme a step where an intermediate can be drawn off to other metabolic pathways a step that is irreversible because the product can only be used in that pathway
when lack of an appropriate electron acceptor makes an electron transport chain stop when an enzyme that is active early in a metabolic pathway is inhibited by a product of the pathway when cellular respiration stops and fermentation begins when ATP synthase reverses and begins pumping protons out of the mitochondrial matrix
in the cytoplasm in the matrix of mitochondria in the inner membrane of mitochondria in the intermembrane space of mitochondria
that substrate-level phosophorylation occurs in glycolysis and the Krebs cycle that the electron transport chain is located in the inner membrane of mitochondria that substrate-level phosphorylation occurs in the electron transport chain that electron transport chains generate ATP indirectly, by proton pumping and creation of a proton-motive force
the synthesis of ATP, by a flow of protons across the inner mitochondrial membrane a series of chemical reactions that results in the synthesis of a large molecule from smaller precursor molecules a series of chemical reactions that results in the breakdown of a large molecule and the release of chemical energy a series of chemical reactions that result in the production of NADH and FADH2
to generate NADH from NAD+, so electrons can be donated to the electron transport chain to generate NAD + from NADH, so glycolysis can continue to synthesize electron acceptors, so cellular respiration can continue to synthesize pyruvate from lactate
when the proton-motive force runs down when electron acceptors are not available when NADH and FADH2 supplies are low when pyruvate is not available
