BIOC 3560 Quiz: Lipid Metabolism - Dawson Quiz 1

• School: University of Guelph
• Department: Biochemistry
• Course: BIOC 3560
• Professor: John Dawson

Document Summary

Lipid catabolism mobilizes the organism"s main energy storage form: approx. available energy by form (normal weight male) Triacylglycerols 600 000 kj: most of our energy comes from tags (a major source of energy storage) Energy storage mixed triacylglycerol - main storage form: abbreviated as tag, has a glycerol, 3 c with 3 oh groups and different fa chains attached. Fatty acids are stored as tags in fat cells adipocytes. Tag in adipocytes collect in oily bubbles coated by protein perilipin to form lipid globules (perilipin keeps tags soluble0. Fatty acid degradation occurs in the mitochondria of cells (e. g. muscle cells) that have a need for atp. There is therefore a need to break down the tag reserves in the adipocyte, and transport the. Fa in order for energy to be made available to the target tissue. Perilipin is a protein that coats lipid droplets, protecting them from lipases until phosphorylated. Step 1 & 2) glucagon indirectly activates pka.