Lipid Transport Flashcards
1
Q
What are lipids?
A
Hydrophobic molecules that contain fatty acids and are insoluble in water
2
Q
What are the categories of lipids found in the body?
A
Triacylglycerol (DAG - signalling and monoacylglycerol) Fatty acids Cholesterol Phospholipids Vitamins K, A, D, E
3
Q
What proportion of lipids are carried around in the body?
A
~2% of lipids (mostly fatty acids) are carried bound to albumin but there is a limited capacity (~3mmol/L)
~98% of lipids are carried as lipoprotein particles that consist of phospholipid, cholesterol, cholesterol esters, proteins and TAG
4
Q
What is the typical total cholesterol concentration found in plasma?
A
<5.0mmol/L