MCB 2000 UPDATED Exam Questions and CORRECT Answers
When does the synthesis of lipid occur? High I/G ratio, excess calorie intake (excess carbons from glucose or excess dietary protein) What tissues are involved in the synthesis of lipids? Liver (primary site in humans - 90%), adipose tissue How are the structures of triglycerides and phospholipids similar? Both contain a glycerol backbone w/ 2 fatty acids attached, BUT PL attach a phosphate group w/ alcohol or polar head group and TG attaches a third fatty acid What determines the fate of acetyl CoA? How? Insulin: if levels are high makes fatty acids, if levels are low (diabetic) makes ketone bodies (used by brain for energy reducing reliance on glucose)
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