Biochemistry Quiz
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CLINICAL AND APPLIED BIOCHEMISTRY
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A 28-year-old vegetarian athlete reports fatigue and decreased performance. Blood analysis reveals: hemoglobin 9.2 g/dL (normal: 12-16), serum ferritin 8 ng/mL (normal: 15-150), vitamin B₁₂ 180 pg/mL (normal: 200-900), and homocysteine 18 μmol/L (normal: 5-15). Which biochemical relationship best explains the interconnected nature of these deficiencies?
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