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Discussion :: Biology

  1. Hemoglobin, the oxygen carrying substance in red blood cells, is a

    2. A.

     Nuclei acid
    B.

     Carbohydrates
    C.

     Fats
    D.

     Proteins

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    Answer : Option D

    Explanation :

    Hemoglobin (Hgb) is an important protein in the red blood cells that carries oxygen from the lungs to all parts of our body. The main job of white blood cells, or leukocytes, is to fight infection.

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