Which of the following statements about the electron transport chain in mitochondria is NOT correct? A) Electrons increase their free energy at each step along the transport chain B) The final electron acceptor is oxygen C) Transporters alternate between reduced and oxidized states by accepting and donating electrons D) Electron transporters are associated with the inner mitochondrial membrane E) Electrons transported along the chain come from NADH and FADH2 molecules

Which of the following statements about the electron transport chain and ATP production in the mitochondria is false?Group of answer choicesAny drug that inhibits the ATP synthase will also inhibit the flow of electrons in the ETC.For oxidative phosphorylation to occur, it is essential to have a membrane that is impermeable to protons except through specific proteins pores or protein complexesThe yield of ATP per mole of fuel depends on the type of molecule being catabolized.Some complexes of the respiratory chain pump protons into the matrix to create an electrochemical gradient.Exergonic electron transfer provides the energy for proton pumping.

The electron transport chain results in the generation of:A.a proton concentration gradient across the inner mitochondrial membrane, which drives phosphorylation of ADP.B.a proton concentration gradient across the inner mitochondrial membrane, which reduces NAD+ in a coupled reaction.C.an electron concentration gradient across the inner mitochondrial membrane, which drives phosphorylation of ADP.D.an electron concentration gradient across the inner mitochondrial membrane, which drives oxidation of NADH in a coupled reaction.Submit

Which of the following correctly describes the flow of electrons during cellular respiration?Question 7Answera.Electrons flow from NADH and FADH2 to oxygen through the electron transport chain.b.Electrons flow from ATP to NADH and FADH2 in the cytoplasm.c.Electrons move from oxygen to carbon dioxide in the citric acid cycle.d.Electrons are transferred directly from glucose to oxygen in the mitochondria.

The electron transport system:Group of answer choicesoccurs in the mitochondria.follows the citric acid cycle.follows glycolysis.occurs in the mitochondria and follows the citric acid cycle.

The electron transport chain is located in what part of eukaryotic cells?Multiple choice question.cytoplasmmitochondrial matrixsmooth endoplasmic reticulummitochondrial cristae