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Which of the following components of the mitochondrial electron transport chain is the only one to be considered a peripheral protein? cell biology
- the cytochrome a-a3 complex
- the cytochrome c oxidase complex
- coenzyme Q (ubiquinone)
- the cytochrome b-c1 complex
- cytochrome c
Step by step
Solved in 3 steps
- Which of the following components of the mitochondrial electron transport chain is the only one to be considered a peripheral protein? cell biology the cytochrome a-a3 complex the cytochrome c oxidase complex coenzyme Q (ubiquinone) the cytochrome b-c1 complex cytochrome cWhich of the following components of the mitochondrial electron transport chain is not integral to the inner mitochondrial membrane (of a typical eukaryotic cell)? the cytochrome c oxidase complex coenzyme Q (ubiquinone) the cytochrome b-c1 complex cytochrome c the cytochrome a-a3 complexWhich of the following components of the mitochondrial electron transport chain is the only one to be considered a peripheral protein? the cytochrome a-a3 complex the cytochrome c oxidase complex coenzyme Q (ubiquinone) the cytochrome b-c1 complex cytochrome c
- Which of the following is TRUE about cytochrome c protein? As a part of the ETC chain, it changes conformation to allow H+ ions to flow out of the matrix. It is found on the surface of the inner mitochondrial membrane and, therefore, contains start-transfer and/or stop-transfer sequences. With assistance from Bax, it can move out of the mitochondria and into the cytosol. It is considered a symporter because it is involved in electron transport. It is able to puncture holes in the plasma membrane to initiate apoptosis.An enzyme that is not attached to any mitochondrial membrane 1-pyruvate decarboxylase 2-succinic dehydrogenase 3-cytochrome complex 4-f0 f1 complexIn order to pass the outer mitochondrial membrane a fatty acid Reacts with carnitine Is activated with coenzyme A Is activated with coenzyme Q Is oxidized
- Which of the following takes place in the mitochondria (including the matrix inner and outer mitochondrial membrane) select all that applies Krebs cycle fatty acid synthesis beta oxidation electron transport chain pdh mechanism glycolysisWhich compartment of the eukaryotic mitochondrion is responsible for the formation of NADH, and FADH2, during catabolism of pyruvate into carbon dioxide? the mitochondrial matrix the outer mitochondrial membrane the intermembrane space the inner mitochondrial membrane the thylakoid membrane The complete catabolism of glucose into CO2 and H2O generally yields a smaller amount of ATP in aerobic eukaryotes than in aerobic prokaryotes because the aerobic eukaryotes: generate more molecules of FADH2 during aerobic respiration have transport costs to get NADH into the mitochondrion generate more molecules of NADH during aerobic respiration are able to use pyruvate as a substrate for fermentation always produce ethanol rather than lactic acid as a byproductWhich of the following are considered predominantly catabolic metabolic pathways? (Choose all correct answers). Fatty acid biosynthesis Gluconeogenesis Fatty acid oxidation Electron transport coupled to oxidative phosphorylation Glycolysis Citric Acid Cycle (TCA)
- What drives the transport of fatty acids for b-oxidation into the mitochondrial matrix? The hydrolysis of two phosphate bonds from ATP to AMP and two inorganic phosphate. The transfer of CoASH to fatty acids The substitution reactions involving COASH and Carnitine in the inner membrane space. An increase in fatty acid concentration in the cytosol during the post-absorptive (fasting state). All of theseFill in the blanks using the following words/acronyms: protons; Electron Transport Chain; oxygen; inner; Cytochrome c; NADH; ATP synthase; shuttle; ATP (note: the same word/acronym may be used more than one time) Complex I transfers electrons from to Coenzyme Q; and this transfer leads to the extrusion of from the mitochondrial matrix to the outside face of the mitochondrial membrane. Complex II allows the transfer of electrons from succinate to Coenzyme Q. Coenzyme Q is an electron which transfers electrons to Complex III. Electrons transfer from Complex III is associated with translocation. These electrons are then accepted by ; which transfers them to Complex IV. are also translocated at the level of Complex IV during electrons transfer; allowing the reduction of the final electron acceptor of the which is . ll the translocated are then channeled through the pore of the ; providing the driving force for release from the Enzyme complex.This molecule is closely associated with the intrinsic pathway of apoptosis Group of answer choices cytochrome d cytochrome c cytochrome b cytochrome a