Beta oxidation of fatty acids a involves nadp b

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31. Beta-oxidation of fatty acids: A) Involves NADP + B) Generates ATP only when acetyl CoA is oxidized
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C) Is usually suppressed during starvation D) Uses only even-chain saturated fatty-acids as substrates E) Occurs by a repeated sequence of four reactions 32. Consider the reaction catalyzed by glutathione peroxidase that breaks down hydrogen peroxide, which is formed from the superoxide anion by a reaction of superoxide dismutase. GSH(reduced glut)+ H 2 O 2 GSSG(oxidized glut) + H 2 O Calculate the standard free energy change for this reaction. (∆G 0’ ) 33. Draw the mechanism for Fatty Acid Activation. 34. Draw the mechanism for ATP hydrolysis. 35. Fatty acids are absorbed in the intestines in the form of __________, and bile act as a detergent that breaks down the ____________.
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36. Bile is synthesized in the _____________ and stored in the ______________________. 37. Draw the acyl-carnitine shuttle. 38. Why does the Gloxylyate cycle exist in plants, and how is the substrate that enters the cycle converted into carbohydrates? 39. Beta-oxidation of fatty acids will encounter problems when: 40. Circle the part of chlorophyll a that contributes towards the synthesis of phytanate 41. Write the general equation for fatty acid activation. 42. Draw a ketone body. 43. What are ketone bodies used for and when are ketone bodies used?
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44. Why is the human body unable to convert fatty acids into carbohydrates? 45.How did the mitochondria become an organelle of an eukaryotic organism?
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