10 Questions
What is the main location for fatty acid synthesis in mammals?
Liver
Where does the NADPH required for fatty acid synthesis come from?
Pentose phosphate pathway
What is the main source of fatty acids and glycerol for metabolic fuels?
Triacylglycerols in the diet
What is the primary reason for triacylglycerols being efficient energy stores?
They are stored in an anhydrous form
What provides the growing end of a hydrocarbon chain during fatty acid synthesis?
Repetitive addition of two-carbon units
What is the net ATP produced per glucose in the triose stage of glycolysis?
2 ATP
Which enzyme catalyzes the formation of acetyl CoA from pyruvate?
Pyruvate dehydrogenase
How many molecules of CO2 are released during the complete oxidation of one molecule of acetyl CoA in the citric acid cycle?
2 CO2
What is the overall energy yield of the Krebs cycle in terms of ATP equivalents per molecule of acetyl CoA?
2 ATP equivalents
What is the primary function of the tricarboxylic acid transporter?
Import of citrate into the mitochondria
Test your knowledge of lipid metabolism with this quiz covering topics such as fatty acid oxidation and synthesis, the mechanism of fatty acid synthesis and degradation, the structure and function of components of fatty acid synthase, and the differences between fatty acid synthesis in prokaryotes and eukaryotes. Brush up on your understanding of lipid metabolism with Dr. Joanne Sadier.
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