Although in Higher Animals Fats Are the Most Efficient Storage

question 33

Multiple Choice

Although in higher animals fats are the most efficient storage form of "free-energy," not all ingested carbohydrate is converted to fat. Some is stored in the form of glycogen. Which statement does NOT apply to the metabolic benefits of storing "free-energy" in the form of glycogen?

• A) Glycogen can be rapidly catabolized because its structure allows for several catabolic enzymes to work in parallel.
• B) Glycogen in skeletal muscle can be mobilized under anaerobic conditions, whereas products of fatty acid catabolism cannot.
• C) In contrast to glycogen, the products of fatty acid catabolism are not gluconeogenic.
• D) Erythrocytes have an absolute requirement for glucose and cannot use any product of fat metabolism for their energy needs.
• E) Glycogen molecules are highly hydrated.

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