Biology CLEP Prep Practice Exam

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What is the main function of a lipid?

  1. Transporting proteins

  2. Allowing molecules to pass across a membrane

  3. Storing energy

  4. Providing structural support

The correct answer is: Storing energy

Lipids primarily serve as a source of energy for the body. While they also play a role in allowing molecules to pass across a membrane, this is not their main function. Additionally, lipids do not provide structural support or transport proteins. Lipids are the main component of fats and oils and are essential for maintaining proper cell function and energy balance in the body. They also provide insulation and organ protection.

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