1. __________________________
Name

2. Integrated Science II, Period
________

4. Lipid Questions

5. one molecule of _______________
and three
____________________________
chains.

7. What determines whether a fat is
solid or liquid at room
temperature?

9. ________________ which means it
is soluble in water. The
hydrocarbon chain, or “tail,” of the
fatty acid is
_____________________ which
means it is soluble in oily dirt.

11. ____________________
fats, which have only single bonded
carbons, are mainly derived as
animal bi-products.

13. ____________________
fats, which have one or more
double bonded carbons, can be
found in plants.

15. oil, have been
_______________________ their
double bonds have been artificially
broken and hydrogens artificially
added.

17. other is facing “down,” across from
each other, the double bond
between the carbons is called a
__________________________. If
both hydrogens are facing “up” or
both are facing “down” the double
bond between the carbons is called
a _______________________.

19. vegetable oils can cause the
naturally-occurring ___________
bonds to convert to
______________ bonds.

21. Fat is not such a bad thing, in fact
our bodies need it for at least two
functions, to

22. 1)

23. 2)

25. is known as a
____________________________
__. These are useful because they
are soluble in both
_________________ and
_________________.

27. Lecithin, which is found in egg
yolks, is a “famous”
____________________ agent.

29. Name five different steroids

30. 1)

31. 2)

32. 3)

33. 4)

34. 5)

36. When UV light reacts with a
cholesterol molecule it can form
____________________.

38. ____________________________
_______ as“good” cholesterol and
____________________________
_______ as“bad” cholesterol.

40. In your own words, write five
sentences or more about why lipids
are necessary for life.