As an end result of electron transfer through the transport chain in mitochondria1. pH in mitochondrial matrix is decreased2. pH in mitochondrial matrix in increased3. pH in the intermembrane space is increased4. pH in the cytoplasm in decreased

Electron Transport Chain (ETC) occurs in mitochondria in which the protein complexes transfer the…

Answered: As an end result of electron transfer…

Biology Today and Tomorrow without Physiology (MindTap Course List)

5th Edition

ISBN:9781305117396

Author:Cecie Starr, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Christine Evers, Lisa Starr

Chapter5: Capturing And Releasing Energy

Section: Chapter Questions

Problem 11SQ

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Match the term with the best description. _____ mitochondrial matrix a. needed for glycolysis _____ pyruvate b. inner space _____ NAD+ c. makes many ATP _____ mitochondrion d. product of glycolysis _____ NADH e. reduced coenzyme _____ anaerobic f. no oxygen required
Match the terms with the best description. ___ mitochondrial matrix a. needed for glycolysis ___ pyruvate b. inner gel ___ NAD+ c. makes many ATP ___ mitochondrion d. product of glycolysis ___ NADH e. reduced coenzyme ___ anaerobic f. no oxygen required
ATP production during the Electron Transport Chain is driven by which of the following? A. Movement of H+ ions across mitochondrial membranes via ATP synthase B. Movement of electrons down a gradient of charge C. Oxygen accepting H+ ions D. NADH and FADH2 donating phosphate to ADP E. Release of CO2
Which of the following statements about the generation of ATP in the electron transport chain is correct? a. The generation of ATP from ADP coupled to electron transfer occurs by substrate level phosphorylation as in glycolysis. b. ATP synthase generation of ATP involves a rotating structure inside the inner mitochondrial membrane. c. ATP synthase generation of ATP involves a rotating structure outside the inner mitochondrial membrane. d. Electron transport generates a proton gradient across the outer mitochondrial membrane.
Which of the following statements is most correct? The electron transport chain - A: generates a pH gradient that reduces O2 to H2O B: generates a proton gradient across the outer mito membrane C: generates a proton gradient across the inner mito membrane D: uses the energy stored in high energy electron carriers to synthesize ATP E: establishes a membrane potential across the outer mito membrane
The Fo subunit of the ATP synthase is present in the ______ while the F1 subunit is in the ____. inner mitochondrial membrane; inner mitochondrial membrane mitochondrial matrix; inner mitochondrial membrane mitochondrial matrix; mitochondrial matrix Inner mitochondrial membrane; mitochondrial matrix
H+ flow down their gradient from the intermembrane space into the mitochondrial matrix through _____________, the smallest known rotary motor, to make _____________. the electron transport chain; ATP ATP synthase; ATP the electron transport chain; NADH ATP synthase; O2
The electron transport chain of mitochondria: O makes ATP. contains cytochromes and proteins containing flavins (FAD). O generates an H* gradient such that the outside of the mitochondrion is more basic than the inside. O is present in the outer membrane of the mitochondrion. O reduces NAD*.
Which of the following statements is NOT true about the electron transport chain (ETC) and oxidative phosphorylation? A. Oxidative phosphorylation requires the enzyme complexes to be soluble in the mitochondrial matrix. B. If the proton gradient is too high, electrons will not move through the ETC. C. The movement of electrons down the ETC only happens if protons are pumped out of the mitochondrial matrix. D. Oxidative phosphorylation requires the mitochondrial intermembrane space to be more positively charged than the matrix. E. The free energy of the proton gradient can be used to create high energy bonds.
The simultaneous movement of ATP and ADP in opposite directions across the inner mitochondrial membrane, using the proton gradient established by electron transport for energy, is an example of: antiport movement uniport movement symport movement all of the above none of the above
Which of the following correctly describes where each process takes place in eukaryotic cells? a. conversion of pyruvate to acetyl CoA – mitochondrial matrix b. glycolysis – mitochondrial matrix c. ATP synthase – ATP synthesized in cytosol using proton motive force d. electron transport chain – electron carrier proteins embedded in outer mitochondrial membrane e. citric acid cycle – cytosol
CHOOSE THE CORRECT LETTER 1.In oxidative phosphorylation, which condition drives ATPase to produce ATP?A. low ATP concentration in the mitochondrial matrixB. increase in proton concentration at mitochondrial matrix thus a proton gradientC. increase in proton concentration at the intermembrane space of the mitochondria thus a proton gradientD. low ATP concentration in the intermembrane space of the mitochondria 2.Which of the following molecules are NOT needed to produce energy in oxidative phosphorylation?A.O2B. H2OC.FADH2D.NADH

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As an end result of electron transfer through the transport chain in mitochondria 1. pH in mitochondrial matrix is decreased 2. pH in mitochondrial matrix in increased 3. pH in the intermembrane space is increased 4. pH in the cytoplasm in decreased