Lecture 4- Lipids

Are lipids polar?

Are lipids soluble in water?

Are lipids soluble in non-polar solvents?

Are lipids polymers?

Structure of a triglyceride molecule

What reaction occurs in the formation of triglycerides?

Which enzyme catalyses the hydrolysis of triglycerides?

The possible products formed in the digestion of a triglyceride

What are the features of a saturated fatty acid?

What are the features of unsaturated fatty acids?

What are the two isomers that unsaturated fatty acids exist as ?

What is the difference between cis- and trans- isomers?

What are fatty acids called when not part of a triglyceride?

Steroids are lipids. What is the building block for other steroids?

How is lanosterol formed?

Name some common steroids

The structure of phospholipids

Glycolipids

Lipoproteins

Structure of lipoproteins

Functions of white adipose tissue

Effects of having excess adipose tissue

What is myelin?

What cells produce myelin peripherally (nerves outside the brain and spinal cord)?

What cells produce myelin centrally (nerves in the brain and spinal chord)?

Which vitamins are fat soluble?

What is the function of apoproteins?

What effect does myelin have on nerve cells?

How can lipids prevent moisture loss?