Analyze the following statements about lipids and fatty acids.
a. Lipids are generally water-soluble.
b. A fatty acid has a carboxyl group attached to an R group.
c. The R group in a fatty acid can be a methyl, ethyl, or a chain of up to 19 carbons.
d. Palmitic acid has 20 carbon atoms, including the carboxyl carbon.
e. Arachidonic acid has 16 carbon atoms, including the carboxyl carbon.
f. Saturated fatty acids are without double bonds, while unsaturated fatty acids have one or more C=C double bonds.
g. Glycerol is trihydroxy propane.
