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Biochemistry Study Set 8

Chemistry

Quiz 16 :

Lipid Metabolism

Quiz 16 :

Lipid Metabolism

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Which enzyme catalyzes the modification of a fatty acid, so that it can be transported into the mitochondria for oxidation?
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Multiple Choice
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Answer:

D

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What is the key enzyme involved in priming fatty acids for degradation?
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Answer:

B

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In order for a fatty acyl-CoA to be moved into the mitochondria for -oxidation, it must be
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Answer:

A

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Why is the fatty acid oxidation pathway also referred to as the -oxidation pathway?
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About more ATPs can be obtained from one 16:0 fatty acid than from one glucose molecule.
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What enzyme class catalyzes the following reaction? img
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How many high-energy FADH2 and NADH molecules, respectively, are made from each pass through the -oxidation pathway?
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How many total NADH + FADH2s are made in the -oxidation pathway from the breakdown of the following fatty acid to all acetyl-CoAs? img
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How many ATPs are obtained from the complete -oxidation of one mole of stearoyl-CoA (18Cs) compared with three molecules of glucose (3 6C = 18Cs)?
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Which molecule is used to transport fatty-acyl groups into the mitochondria?
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Carnitine is
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Which cofactor is utilized in the following fatty acid oxidation reaction? img
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The complete -oxidation of 1 mole of palmitic acid (16:0) yields moles of ATP after TCA cycle and oxidative phosphorylation processes.
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Which of the following is NOT an intermediate in the -oxidation of a fatty acid?
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How many passes through the fatty acid oxidation pathway are required to degrade palmitic acid?
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What precursors are required for the breakdown of palmitate?
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What enzyme class catalyzes the following reaction? (Note that there may be some missing reactants and products.) img
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Why is less ATP obtained from the average carbon in a sugar molecule than from a carbon in a fat molecule?
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What is the cellular location of the fatty acid oxidation pathway?
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Which enzyme is responsible for assembly of palmitate from activated acetyl-CoA fragments?
Multiple Choice
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