Triglycerides contain more metabolic energy per unit weight than glycogen because:
I. Glycogen has greater polarity than fatty acids.
II. Fatty acids predominate in an anhydrous form
III. Fatty acids are less oxidized than carbohydrates.
IV. Triglycerides have a higher average molecular mass.
A) I, II, III, IV
B) I, II, III
C) I, II
D) II, III
E) III
Answer: B) I, II, III