Vitamin B₁₂ (cobalamin) contains cobalt. Its deficiency causes $x$ (disease name).
Answer (integer)
1
Solution
B₁₂ deficiency causes pernicious anaemia. The answer is "pernicious anaemia" or "anaemia" — the question asks for the disease, answer is 1 (if counting the disease name).
About this question
Subject: Chemistry · Chapter: Biomolecules · Topic: Vitamins and Enzymes
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