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Which oxygen-binding protein is the predominant type of protein found in human red blood cells?
A
Collagen
B
Hemoglobin
C
Albumin
D
Myoglobin
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1
Understand the context of the question: it asks for the predominant oxygen-binding protein in human red blood cells.
Recall that red blood cells are specialized for oxygen transport throughout the body.
Identify the main oxygen-binding proteins: hemoglobin and myoglobin are the primary candidates, while collagen and albumin do not bind oxygen.
Recognize that hemoglobin is the protein responsible for carrying oxygen in red blood cells, whereas myoglobin is found mainly in muscle tissue for oxygen storage.
Conclude that hemoglobin is the predominant oxygen-binding protein in human red blood cells.