Red blood cells lack [ Select ] [\"oxygen\", \"lysosomes\", \"plasma membranes\"

Question

Red blood cells lack                             [ Select ]                       ["oxygen", "lysosomes", "plasma membranes", "nucleii"]         and obtain energy through                             [ Select ]                       ["aerobic", "anaerobic"]         respiration. They have a lifespan in the body of approximately                             [ Select ]                       ["400", "24", "12", "120"]       days, and once degraded by phagocytic cells their iron is recycled back to the bone marrow through binding to the plasma protein                            [ Select ]                       ["heme", "ferritin", "myoglobin", "transferrin"]         .

Explanation / Answer

Red blood cells lack nucleus and obtain energy through anaerobic respiration.They have a lifespan in the body approximately of 120 days and once degraded by phagocytic cells their iron is recycled back to the bone marrow through binding to the plasma protein transferrin.

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