Chemistry

Answer the following questions. Be sure to include chemical formulas as well as explaining your answers in terms of the chemistry.

a. Define the following terms:

cholesterol

fatty acid

lipid bilayer

prostaglandin

steroid

b. Define trans fatty acid and explain the process of hydrogenation.

c. What is olestra? What is its chemical composition? Why is it not metabolized by the body?

d. What is the fluid mosaic model? How does the chemical compositon of the cell membrane affect transport across the membrane?