Multiple Choice
What role does ATP play in the process of protein production within a cell?
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7. Energy and Metabolism
ATP
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Which of the following micronutrients is especially important for the production of ATP in athletes?
A
Magnesium (Mg^{2+})
B
Vitamin C (ascorbic acid)
C
Iron (Fe^{2+})
D
Zinc (Zn^{2+})
Verified step by step guidance1
Step 1: Understand the role of ATP in cellular energy. ATP (adenosine triphosphate) is the primary energy currency of the cell, and its production is crucial for energy-demanding processes, especially in athletes.
Step 2: Review the function of each micronutrient listed in the options. Magnesium (Mg^{2+}) is a cofactor for many enzymes involved in ATP synthesis, including those in glycolysis and the Krebs cycle. Vitamin C (ascorbic acid) is an antioxidant and plays a role in collagen synthesis but is not directly involved in ATP production. Iron (Fe^{2+}) is essential for oxygen transport in hemoglobin and is involved in electron transport chain processes. Zinc (Zn^{2+}) is a cofactor for various enzymes but does not have a direct role in ATP production.
Step 3: Focus on the micronutrient most directly involved in ATP production. Magnesium (Mg^{2+}) is critical because it stabilizes ATP molecules and is required for the activity of ATP-dependent enzymes.
Step 4: Eliminate options that are less relevant to ATP production. Vitamin C, Iron, and Zinc have important biological roles but are not as directly involved in ATP synthesis as Magnesium.
Step 5: Conclude that Magnesium (Mg^{2+}) is the correct answer because of its essential role in stabilizing ATP and enabling enzymatic processes that produce cellular energy.
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