2. ______________________________
Lipids
______________________________

3. Lipids Examples _________________ sex hormones testosterone (male)
estrogen (female)

4. Lipids _________________ Function: very concentrated
twice the energy as carbohydrates!
think whale blubber!

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

6. Saturated fats __________________ Limit the amount in your diet
solid at room temperature
Limit the amount in your diet
________________ ________________
deposits in arteries

7. _________________ Unsaturated fats Better choice in your diet
liquid at room temperature
the fat molecules don’t stack tightly together
Better choice in your diet

8. Saturated vs. unsaturated
_____________
_____________

9. 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

10. 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

11. Let’s build some Lipids!