Review 6 The biosynthesis of membrane lipids and steroids with answers

Review 6 The biosynthesis of membrane lipids and steroids with answers

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The biosynthesis of membrane lipids and steroids 1) what is the structure of phosphatidate? What is it an intermediate of? a. Fatty acids on the first two carbons of glycerol, one phosphate group on cabon 3 b. It’s a common intermediate of phospholipids and triacylglycerols lct 22 sld 4 2) Which fatty acid is usually saturated? Which is usually unsaturated/ a. The fatty acid on carbon 1 is usually saturated, the fatty acid on carbon 2 is usually unsaturated 3) Know the common alcohols found on phoshpholipids a. Serine, ethanolamine, choline glycerol and inositol b. lct 22 sld 7 4) How are the phospholipids activated? a. They are activated by CTP. The CMP part is removed upon addition of the alcohols shown above n question 3 lsct 22 sld 9 5) Which phospholipid is often used in signaling events a. Phosphotidylinositol (PI) lect 22, slide 10 6) Know where the various phospholipases cleave the phospholipid a. lect 22 sld 16 7) What are the reactions steps to form a phospholipid by an activated alcohol? a.
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Review 6 The biosynthesis of membrane lipids and steroids with answers

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