Choose the best answer for following question. Which of these is not true of the electron transport chain?a. The electron transport chain is located on the cristae of themitochindria.b. The electron transport chain produces more NADH than anymetabolic pathway.c. The electron transport chain contains cytochrome molecules.d. The electron transport chain ends when oxygen acceptselectrons.

Choose the best answer for following question. Which of these is not true of the electron transport chain?a. The electron transport chain is located on the cristae of themitochindria.b. The electron transport chain produces more NADH than anymetabolic pathway.c. The electron transport chain contains cytochrome molecules.d. The electron transport chain ends when oxygen acceptselectrons.

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter7: Releasing Chemical Energy

Section: Chapter Questions

Problem 11SA

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Which of these is not true of the electron transport chain?a. The electron transport chain is located on the cristae of themitochindria.b. The electron transport chain produces more NADH than anymetabolic pathway.c. The electron transport chain contains cytochrome molecules.d. The electron transport chain ends when oxygen acceptselectrons.
Below show the components of the electron transport chain. Put them in the proper order from first to last. 1. Cytochrome-C Reductase 2. Cytochrome-C Oxidase 3. Ubiquinone 4. NADH Dehydrogenase 5. Cytochrome C O 1,2,3,4,5 O 4,3,1,5,2 O 4,3,2,5,1
a. In complex IV in the electron transport chain electrons from cytochrome C is transferred to O2.. True or False b. The protons transferred by complex III in the electron transport chain is enough for the synthesis of one ATP molecule. True or False
Choose TRUE statements regarding the process that occurs in cristae. I. ATP is synthesized by ATP synthase in inner membrane of mitochondrion. II. FADH2 transfers its hydrogen atoms to Citrate. III. Formation of water molecule. IV. Production of ATP in the electron transport chain is called oxidative phosphorylation. * A. I, II and IIII B. II and IV C. I, III and IV D. I, II, III and IV
What fundamental difference sets apart anaerobic respiration from aerobic respiration? a. Anaerobic respiration does not have Krebs Cycle. b. Anaerobic respiration does not have an electron transport chain. c. Anaerobic respiration involves substrate-level phosphorylation only. d. Anaerobic respiration utilizes electronegative compounds such as nitrates as final electron acceptor.
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.
Identify a metabolic pathway associated with the enzymes localized on the mitochondrial cristae. a. the citric acid cycle b. the electron transport chain c. the citric acid cycle and the electron transport chain d. none of these
For each of the statements below, indicate whether they are true or false and then in detail explain why the false statements are incorrect, making reference to the relevant cell processes and/or molecules. A. In cellular respiration the ETC transfers electrons via redox reactions whereas in photosynthesis the ETC transfers electrons using light. B. In cellular respiration the ETC creates a proton gradient with the higher concentration on the outer side of the inner membrane whereas in photosynthesis the ETC creates a proton gradient with the higher concentration on the inner side of the thylakoid membrane. C. In cellular respiration the ETC gradient is used to power ATP production by oxidative phosphorylation whereas in photosynthesis the ETC gradient is used to power ATP production by substrate level phosphorylation.
Please answer all the questions below. Answer ONLY or choose A or B. Thank you very much. ----------- 2. How many H+ are allowed to pass outside the protein complexes when electron passes through them? 3. What signals the start of the Krebs cycle? A. when glycolysis produces ATPs B. when pyruvate is converted from glucose 4. Which of the following conditions does not allow the occurrence of the Krebs cycle? A. when there is the presence of carbon dioxide B. when fermentation occurs 5. How many NADH are produced in the Krebs cycle when 2 molecules of glucose enters the cycle? 6. In aerobic respiration, glucose is first converted into pyruvate molecules. What compound must it changed to in order to proceed to the next stage? A. oxaloacatate B. puruvate 7. In the energy payoff stage, how many ATP (gross) ATP is produced in 2 glucose molecule? 8. ATP synthase synthesize ATP and release ATP towards? A. Inner mitochondrial membrane B. Mitochondrial matrix 9. What happens to…
Put the following pathways in the order they occurduring aerobic respiration.a. electron transfer phosphorylationb. acetyl–CoA formationc. citric acid cycled. glycolysis
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.
Steps in oxidative phosphorylation involves all of the following except 11. a. The phosphorylation energy is supplied by ATP metabolism b. Electron transfer chain moves electron from NADH and FADH2 to O2 c. Phosphorylation of ADP to ATP catalyzed by ATP synthase d. Electron do not flow to oxygen unless ATP is needed 12. List factors that can activate glucokinase for glucose metabolism in the liver 13. What are the functions of macromolecules with examples? Write the general balanced equation that shows the catabolism of glucose (GLYCOSLYSIS) to ATPS, carbon dioxide, and water. Include in the equation the formation of ATP from ADP and phosphate and oxygen utilization. 14. 15. What is post-translational processing of proteins and list 3 things that can happen to the proteins synthesized at this stage: