Regents Biology Lipids Regents Biology 2008 2009 Lipids

Regents Biology

Lipids _______________ Regents Biology 2008 -2009

Lipids § Examples u _________________ § sex hormones w testosterone (male) w estrogen (female) Regents Biology

Lipids § Function: u _________ § very concentrated § twice the energy as carbohydrates! _________________ u § think whale blubber! Regents Biology

Structure of Fat not a chain (polymer) = just a “big fat molecule” Regents Biology

Saturated fats § _________ u solid at room temperature § Limit the amount in your diet ________________ u deposits in arteries u Regents Biology

Unsaturated fats § _________ u liquid at room temperature § the fat molecules don’t stack tightly together § Better choice in your diet Regents Biology

Saturated vs. unsaturated _____________ Regents Biology

Other lipids in biology § Cholesterol good molecule in cell membranes u make hormones from it u § including sex hormones u but too much cholesterol in blood may lead to heart disease Regents Biology

Other lipids in biology § Cell membranes are made out of lipids u u _________ are on the outside touching water § “like” water u ____ are on inside away from water § “scared” of water u forms a barrier between the cell & the outside Regents Biology

Let’s build some Lipids! Regents Biology 2008 -2009