| 16. | What is the source of free energy (ΔG) for moving protons out of mitochondria against their concentration and electrical gradients? |
| a. | Glycolysis |
| b. | Creatine phosphate |
| c. | The redox reactions of electron transport |
| d. | ATP |
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Answer: (c).The redox reactions of electron transport
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| 17. | The cellular organelle associated with photosynthesis is the |
| a. | golgi complex |
| b. | mitochondrion |
| c. | lysosome |
| d. | chloroplast |
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Answer: (d).chloroplast
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| 18. | Cellular organelles are embedded in the |
| a. | endoplasmic reticulum |
| b. | cristae |
| c. | cytosol |
| d. | microtubules |
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Answer: (c).cytosol
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| 19. | Which molecule serves as a carrier of fatty acids in mitochondria? |
| a. | Acetyl-CoA |
| b. | Carnitine |
| c. | Dolichol |
| d. | Malonyl-CoA |
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Answer: (b).Carnitine
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| 20. | If the ester bonds of a triacylglycerol molecule's are broken then the kind of molecule, which would be soluble in water, is |
| a. | fatty acid |
| b. | steroid |
| c. | glycogen |
| d. | glycerol |
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Answer: (d).glycerol
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