Multiple Choice
Which of the following statements about myoglobin is correct?
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8. Protein Function
Myoglobin vs. Hemoglobin
Multiple Choice
Which protein is responsible for carrying oxygen in red blood cells (erythrocytes) in humans?
A
Transferrin
B
Myoglobin
C
Albumin
D
Hemoglobin
Verified step by step guidance1
Understand the function of each protein listed: Transferrin is involved in iron transport, Myoglobin stores oxygen in muscle cells, Albumin maintains osmotic pressure in blood plasma, and Hemoglobin carries oxygen in red blood cells.
Recall that red blood cells (erythrocytes) are specialized for oxygen transport throughout the body.
Identify that the protein responsible for oxygen transport in erythrocytes must bind oxygen reversibly and efficiently to deliver it to tissues.
Recognize that Hemoglobin is a tetrameric protein in red blood cells designed specifically to bind oxygen molecules and transport them from the lungs to tissues.
Conclude that among the options, Hemoglobin is the correct protein responsible for carrying oxygen in human red blood cells.
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