What is the protein in red blood cells that transports oxygen in the bloodstream?

What is the protein in red blood cells that transports oxygen in the bloodstream?

  • Correct Answer: hemoglobin
  • plasma
  • rH factor
  • insulin

Explanation: Hemoglobin is a protein in red blood cells that transports oxygen in the bloodstream. Scientists studied hemoglobin simply to learn how it worked. Out of this research came an understanding of how the protein changes shape when oxygen attaches to it. This information was then applied to help patients with sickle cell anemia, a disorder caused by an abnormal hemoglobin structure that makes hemoglobin molecules clump up when oxygen leaves the protein. Basic knowledge of protein structure led to an improved understanding of a wide-spread disease and opened the door for development of treatments.

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