Which of the following is NOT a reason that we need to consume lipids as part of a healthful diet?

• A. To allow the transportation and absorption of fat-soluble vitamins.
• B. To provide protection for our internal organs.
• C. To make DNA.
• D. To provide energy when we are in a calorie deficit.

Answer: (C)

Verified step by step guidance

1. Step 1: Understand the role of lipids in the human body. Lipids are essential macronutrients that serve various functions, such as energy storage, insulation, and protection of internal organs. They also play a role in the transportation and absorption of fat-soluble vitamins (A, D, E, and K).
2. Step 2: Analyze the options provided in the question. Each option describes a function or role of lipids, except for one that is unrelated to lipid functions.
3. Step 3: Recall the biological process of DNA synthesis. DNA is made from nucleotides, which are composed of a sugar, phosphate group, and nitrogenous base. Lipids are not involved in the synthesis of DNA, as this process relies on carbohydrates and proteins.
4. Step 4: Compare the options to identify the one that does not align with the known functions of lipids. The option 'To make DNA' is unrelated to lipid functions, as lipids do not contribute to DNA synthesis.
5. Step 5: Conclude that the correct answer is 'To make DNA,' as it is not a reason we need to consume lipids as part of a healthful diet.