객관식
How does resting metabolic rate (RMR) differ from basal metabolic rate (BMR)?
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7. Energy and Metabolism
Introduction to Metabolism
객관식
Which of the following is the best biological explanation for why the human body stores fat?
A
Fat is stored to increase the density of bones.
B
Fat serves as a long-term energy reserve that can be metabolized when food intake is low.
C
Fat is stored because the body cannot metabolize carbohydrates.
D
Fat is stored to provide insulation against cold temperatures only.
검증된 단계별 안내1
Understand the role of fat in the human body: Fat is a type of lipid that serves multiple functions, including energy storage, insulation, and protection of organs.
Recognize that fat is primarily stored as triglycerides in adipose tissue, which can be broken down into glycerol and fatty acids during periods of low food intake to provide energy.
Compare the options provided in the question: Evaluate each statement to determine which aligns with the biological function of fat. For example, fat does not increase bone density or serve as the primary metabolized nutrient over carbohydrates.
Identify the correct biological explanation: Fat serves as a long-term energy reserve, which is metabolized during times of caloric deficit, making it essential for survival during periods of food scarcity.
Clarify misconceptions: While fat does provide insulation and protection, these are secondary functions. The primary reason for fat storage is its role as an energy reserve.
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