Exam 26: Biosynthesis of Membrane Lipids and Steroids

The first step in vitamin D synthesis is unusual.What is it?

What are the causes and symptoms of familial hypercholesterolemia?

What is phosphatidylcholine? How is it synthesized in mammals?

______________________ is the 30-carbon precursor of cholesterol.

In mammalian cells,phosphatidate is synthesized in the outer mitochondrial membrane and the ____________________________.

The starting materials necessary to synthesize sphingosine are

The role of lipoprotein particles is to

Which derivative of cholesterol is the precursor of the steroid hormones?

______________________ are sphingolipids that contain an oligosaccharide unit having at least one sialic acid residue.

Describe the various ways that 3-hydroxy-3-methylglutaryl CoA reductase is regulated,including both gene expression and enzyme regulation.