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Protein can serve as an energy substrate ifGroup of answer choicescertain amino acids are presentit is utilized by the brainit is phosphorylated firstit is first converted to glucose

Question

Protein can serve as an energy substrate ifGroup of answer choicescertain amino acids are presentit is utilized by the brainit is phosphorylated firstit is first converted to glucose

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Solution

Protein can serve as an energy substrate if it is first converted to glucose.

Here's the step-by-step process:

  1. When the body is low on energy, it can break down proteins to provide the necessary fuel. This process is called gluconeogenesis.

  2. Gluconeogenesis occurs mainly in the liver and, to a lesser extent, in the kidneys.

  3. In this process, amino acids (the building blocks of proteins) are converted into glucose.

  4. This glucose can then be used as an energy source by the body, including the brain.

  5. However, it's important to note that the body prefers to use carbohydrates and fats as its primary energy sources. Protein is typically used for energy only in situations of starvation

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