Question

a distinguishing feature between a red blood cell and a typical animal cell

Answer 1

Explanation:

Red blood cells get their color from heme, an iron-containing molecule that transports oxygen. ... By contrast, the red blood cells of mammals lack nuclei and other internal structures found in most animal cells.

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Answer 2

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What is the difference between a red blood cell and a typical cell in the human body?

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The three chief differences between a mature human red blood cell (RBC} and most other cells of the body are: 1) The RBC does not have a nucleus. That was extruded during cell development to make room for more hemoglobin-containing cytoplasm. 2) The major cytoplasmic protein is hemoglobin, a complex protein/heme/iron complex that reversibly binds and transports oxygen from lungs to other body tissues. 3) Most cellular organelles (mitochondria, ribosomes, internal cell membranes) are degraded as the RBC matures.

The red blood cell is left with an external membrane that is kept in place by cytoskeletal elements and a hemoglobin-loaded cytoplasm, efficient for transporting oxygen, but unable to replace its proteins. So these cells only last about three or four months in the general circulation.