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View History Bookmarks People Window Help re https://canvas ewu.edu/c /1 1 6 2436/files/folder/Spring%20 20 1 7%20Exams?preview-438261 3 1 4 sp2017.doc Download Page of6 -ZOOM 26. In comparing the potential energy of lipids and carbohydrates on a weight basis, it is correct to say that lipids provide A) considerably less energy than carbohydrates. B) slightly less energy than carbohydrates. C) almost the same amount of energy as carbohydrates. D) slightly more energy than carbohydrates E) considerably more energy than carbohydrates. 27. Which of the following is true of lipid catabolism? A) Complete ©-oxidation of a 16 carbon fatty acid requires eight rounds of the - oxidation pathway B) The synthesis of triacylglycerols does not require carbohydrate derived carbon compounds. C) The glycerol produced during breakdown of triacylgycerols enters glycolysis as dihydroxyacetone phosphate. D) ATP is produced in the D-oxidation pathway E) Triacylgycerols cannot be converted to ketone bodies under starvation conditions 28.What is the correct order of the steps in the D-oxidation pathway? I. Il. Cleavage of the C-C bond Oxidation by FAD 9 2 3 4 5

Explanation / Answer

26)Lipids are fats which contain more amount of calories than carbohydrates due to which lipids provide more energy than carbohydrates when it is oxidised.

Thus answer is (E).

27)Lipids when oxidised are break down into glycerol and fatty acid where glycerol enter into cycle as dihydroxyacetone phosphate and fatty acid with combination of acetyl co-enzyme A

Thus answer is C

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