Which of the following statements is correct about Cytochromes? Select one: O a. Cytochrome a + a3 called cytochrome oxidase O b. Coenzyme Q is members of the cytochromes. Oc. the cytochrome iron atom is reversibly converted from its ferric (Fe*) to its ferrous (Fe2*) d. O d. Each contains a heme group
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- Which of the following best describes the action of cytochrome c oxidase? a. Cytochrome c oxidase combines water and oxygen to produce hydrogen peroxide. b. Cytochrome c oxidase transports electrons out of the respiratory reaction. c. Cytochrome c oxidase enables oxygen to accept electrons at the end of the electron transport respiratory chain. d. Cytochrome c oxidase converts hydrogen peroxide into water and oxygen. e. Cytochrome c oxidase reduces thiosulfate anion to hydrogen sulfide.For the electron transport chain, all are inhibitors except: Select one: O a. Antimycin A O b. fluoroacetate Oc. Amytal O d. NaN21. Choose all the correct answers. Enzyme catalyzing this reaction: COO CO0 но C-H + NAD* CH2 + NADH + H* CH2 лвенный тет CoO COO L-Malate Oxaloacetate A. Belongs to the class of transferases. B. Belongs to the class of oxidoreductases. C. Is a simple enzyme. D. Is a holoenzyme.
- Looking at the image shown here, which of the following statements DOES NOT correctly identifies the location of metabolites related to photosynthesis and/or respiration in the diagram of Chlamydomonas? F G H O A. Fermentation occurs in D. B. Glyceraldehyde-3-phosphate (G3P) is generated in C. O C. ATP can be found in D. D. Pyruvate is generated in G. O O OAll are members of the electron transport chain, except: Select one: O a. iron-sulfur center O b. cytochrome a + a3 c. coenzyme Q O d. porphyrin ringArrange the following in the order they appear in electron transport. a. FAD, coenzyme Q, cytochrome c Ob. FAD, cytochrome c, coenzyme Q Oc. Cytochrome c, FAD, coenzyme Q Od. Coenzyme Q, FAD, cytochrome c
- The iron in the iron-heme complex of cytochromes: a. goes from Fe3+ to Fe2+ by the loss of one electron b. always remains in the ferrous (Fe2+) state as in hemoglobin c. goes from Fe2+ to Fe3+ by the addition of one electron d. flip-flops between the reduced (Fe2+) and oxidized (Fe3+) statesCytochrome B5 is one of many cytochrome molecules in Electron Transport Chain. How would electron transport be affected if the cell had a defective cytochrome B5 gene and did not produce functional cytochrome B5? (It will help to discuss the function of cytochromes in Electron Transport Chain in your answer!)With which of the four complexes in the electron t ransport chains is each of the following events as sociated? (There may be more than one correct answer in a given situation.) a. The metal iron is present in the form of Fe2+ and Fe3+ ions. b. FADH2 is needed as a reactant. c. The metal copper is present in the form of Cu+ and Cu2+ ions. d. Cytochromes are needed as reactants.
- If 32P-labeled ATP is provides for the reactions of glycosis, which of the following would be TRUE about 1.3 biphosphoglycerate? A. 50% of 1,3-bis phosphoglycerate would contain 32P B. 100% of 1,3-bis phosphoglycerate would contain 32P on carbon 1 C. 100% of 1,3-bis phosphoglycerate would contain 32 P on carbon 3 D. 50% of 1,3-bis phosphoglycerate would contain 32P on carbon 3 E. 50% of 1,3-bis phosphoglycerate would contain 32P on carbon 1Which of the following pathways requires molecular oxygen (O2)? a. aerobic respiration b. lactate formation c. alcoholic fermentation d. photosynthesisWhich of the following molecules remains oxidized when the electron transport inhibitor antimycin A is added to a suspension of actively respiring mitochondria? a. cytochrome c b. NAD c. cytochrome a d. UQ