An advantage of storing energy as fat as opposed to glycogen is that fat
a. feeds sugars directly into glycolysis.
b. requires more associated water during storage, providing a water reserve.
c. stores more calories in each gram.
d. is easier to transport through the bloodstream.
e. provides a storage reserve for B vitamins.
C; Fat contains more calories per gram than does glycogen. Also glycogen is stored with associated water, which adds to its weight (choice b). Fat breakdown sends intermediates into the Krebs cycle, not glycolysis (choice a), and requires complex metabolic processes in order to use it to raise the blood sugar (choice d). Fat may store vitamins, but not those of the water-soluble B complex (choice e).
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