Cholesterol questions please help?

Cholesterol ________.
A. is found in both animals and plants
B. has 9 calories per gram
C. becomes harmful to the body when it is deposited in artery walls
D. is an essential nutrient

6. Which of these is a function of CCK (cholecystokinin)?
A. CCK stimulates gastric motility.
B. CCK stimulates the liver to produce bile.
C. CCK emulsifies fat.
D. CCK stimulates the gallbladder to release bile.

7. What is the role of emulsification in the digestive process?
A. Emulsification is the process by which proteins are broken down into tripeptides and dipeptides.
B. Emulsification is the process by which triglycerides are digested into fatty acids and monoglycerides.
C. Emulsification is the process by which chylomicrons are transported into the lymphatic system.
D. Emulsification is the process by which acidic chyme is neutralized.
E. Emulsification is the process by which big fat drops are broken into smaller fat droplets thereby increasing the surface ar

5. C
This deposition is called atherosclerosis. Cholesterol is found only in animal cells. Plants have phytosterols & fungi have ergosterol. Cholesterol is not an essential nutrient.

6. D (and then bile salts emulsify the fat particles)
7. E (see attached article for details)
http://www.vivo.colostate.edu/hbooks/pat...