Please correct the mistakes if they are existed. 6. Which BEST describes energy

Question

Please correct the mistakes if they are existed.

6. Which BEST describes energy production during cellular respiration? oxidative AA small amount of energy is produced by substrate-level phosphorylation; most is produced by phosphorylation. B. A smal amount of energy is produced by oxidative phosphorylation, most is produced by substrate-level C. An egal an produced by oxidative phosphorylation and subastrate-level phosphorylation. D. It depends on the organism. Some produce most of their energy by substrate-level phosphorylation, and some produce phosphorylation. most of their energy by oxidative phosphorylation. 7. If oxygen is unavailable, predict what happens to the citric acid cycle. It stops because ADP levels increase in the absence of oxygen. It continues because none of the reactions in the citric acid cycle require oxygen. It stops because the supplies of NAD+ and FAD become depleted D. It continues because ATP levels are low, and low ATP activates enzymes of the cycle. 8. The pH in the intermembrane space of the mitochondria should be compared with the matrix due to the concentration A. higher, higher concentration of protons in the intermembrane space B. higher, lower concentration of protons in the intermembrane space lower, lower concentration of protons in the intermembrane space D, lower, higher concentration of protons in the intermembrane space 9. Which of the following statements is TRUE regarding pyruvate oxidation? A. Like glycolysis, pyruvate oxidation is carried out in the mitochondria. B Pyruvate oxidation forms the same number of NADEI (per glucose molecule) as glycolysis. D. Pyruvate oxidation directly follows the citric acid cycle during cellular respiration. 10. Which of the following does NOT happen in the Calvin oyele of photosynthesis? A. hydrolysis of ATP to ADP B. reduction of NADP+ to NADPH the incorporation of CO, into an organic molecule by RUBISCO D the synthesis of three-carbon carbohydrates (triose phosphates) 11. In the chloroplast, cytochrome bóf s an important complex in the photosynthetic electron transport chain because it accepts electrons rom photosystem ? and donates them to photosystem its reduction-oxidation cycle, it moves from the Another vital unction of c tochrome s that d A. protons;, stroma into the thylakoid lumen electrons; stroma into the thylakoid lumen Cprotons; thylakoid lumen into the stroma electrons; thylakoid lumen into the stroma 12. In the photosystems, antennae molecules accompany reaction centers, promoting A. clectron transfer H+ transfer energy transfer D. heat loss E. fluorescence 13. The ATP generated by the light dependent reactions is used in the stego) of the Calvrin cycle. A. carboxylation B. reduction C. regeneration reduction and regeneration lation, reduction, and regeneration

Explanation / Answer

6.A ) substrate level phosphorylation produces 2 molecules of ATP whereas, oxidative phosphorylation 30-36 molecule of ATP.

7.B)

8.D)

9.B)

10. B) reduction of NADP+ to NADPH

11.A) potons, stroma into the thylakoid

it transfer H+ion

12.c) light energy transfer

13. B) reduction

reduction stage used the ATP and NADPH which is creted in light dependent reaction.

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