During the life cycle of red blood cells,
- the globin portion of hemoglobin is degraded to bilirubin by the liver.
- RBCs are unable to synthesize proteins, grow, or undergo mitotic division.
- RBCs have life span of about 70 -80 days.
- the heme portion of hemoglobin is broken down to amino acids.
- old red blood cells are destroyed by the macrophages in the kidneys.
Answer: RBCs are unable to synthesize proteins, grow, or undergo mitotic division.
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Blood
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