23. Digestion is the (A) absorption of nutrients suspended in water. (B) conversion of glycogen to glucose. (C) breakdown of food into molecules small enough for the body to absorb. (D) churning of food in the stomach and intestine.

5. The cholesterol associated with animal cell membranes (A) is attached to membrane proteins and extends into the watery environment surrounding the cell. (B) helps to keep phospholipids from being too close to one another. (C) is an abnormality resulting from a diet high in cholesterol. (D) helps solidify the membranes when the room temperature is below freezing.

23. Digestion is the
(A) absorption of nutrients suspended in water.
(B) conversion of glycogen to glucose.
(C) breakdown of food into molecules small enough for the body to absorb.
(D) churning of food in the stomach and intestine.

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