Which of the following statements about the lipoproteins given in the introduction are true?
a. Lipoprotein densities vary because lipoproteins have different lipid-to-protein ratios.
b. HDL is termed "bad" cholesterol because it can deposit excess cholesterol in the arteries.
c. Chylomicrons are the only lipoproteins that exclusively carry dietary lipids. HDL has a high lipid-to-protein ratio.
d. Lipoproteins are complexes of lipids and proteins.
e. Lipoprotein densities increase in the following order: chylomicrons, VLDLs, LDLs, HDLs, IDLs.
f. Lipoproteins can be distinguished by their densities and composition.