Exam Review - Chapter 21

Adipose tissue glyceroneogenesis shortened version of

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Unformatted text preview: hat can convert to PGH2 o Introduces O2 to convert arachidonate to PGG2 o Converts PGG2 to PGH2 Thromboxane synthase: converts PGH2 to thromboxane A2 from which other thromboxanes are derived • Pathway from arachidonate to these two classes of compounds is called the “cyclic” pathway while the pathway to leukotrienes is called the “linear” • Leukotriene synthesis begins with the action of several lipoxygenases that catalyze the incorporation of molecular O2 into arachidonate 21.2: Biosynthesis of Triacylglycerols • Fatty acids either go into synthesis of the phospholipid part of biological membranes or incorporation into triacylglycerols for storage • Triacylglycerols has the highest energy content of stored nutrients • Excess carbohydrates are converted to triacylglycerols and stored in adipose tissue • Triacylglycerols and glycerophospholipi...
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