Final answer:
Eating some fat is necessary because cells need fatty acids to make more of their outer covering.
Step-by-step explanation:
Eating some fat is necessary because cells need fatty acids to make more of their outer covering. Fatty acids are essential for the synthesis of phospholipids, which make up the cell membranes. Without an adequate supply of fat, cells would not be able to produce enough phospholipids and maintain the integrity and function of their membranes.
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