Regents Biology

Regents Biology 2008-2009

Lipids______________________________

Regents Biology

Lipids Examples

____________________________________________________________________

sex hormonestestosterone (male)

estrogen (female)

Regents Biology

Lipids Function:

_________________ very concentrated twice the energy as carbohydrates!

___________________________________________________

think whale blubber!

Regents Biology

Structure of Lipids

not a chain (polymer) = just a “big fat molecule”

Regents Biology

Saturated fats __________________

solid at room temperature

Limit the amount in your diet ________________

________________ deposits in arteries

Regents Biology

Unsaturated fats

_________________ liquid at room

temperature the fat molecules

don’t stack tightlytogether

Better choice in your diet

Regents Biology

Saturated vs. unsaturated_____________ _____________

Regents Biology

Other lipids in biology Cholesterol

good molecule in cell membranes make hormones from it

including sex hormones but too much cholesterol in blood may

lead to heart disease

Regents Biology

Other lipids in biology Cell membranes are made out of lipids

_________________ ________ are on the outside touching water

“like” water ________ are on inside away from water

“scared” of water forms a barrier

between the cell & the outside

Regents Biology 2008-2009

Let’s build some

Lipids!