The Cat Chronicles: Tacks and Fleas

Kitten just pulled another tack off my corkboard, causing important things to do lists to fall into the dark behind my desk. She loves to play with tacks, and leaves them lurking in the carpet when she is done. But her very favorite thing is a desk drawer just slightly open, with a hair tie in there. She'll play and play with the desk drawer, and when she finds the hair tie she will snatch it up as if it were a live bird, and run off to play with it on the slippery livingroom floor. That's where she is now, batting a hair tie around and pawing at the walls.
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Biochemistry: LIPIDS: Fatty Acids, Ketone Bodies, Cholesterol, Triglycerides

( Fatty acid biosynthesis, oxidation, ketone body and cholesterol metabolism, more about lipids than you ever wanted to know )