QQuestionAnatomy and Physiology
QuestionAnatomy and Physiology
Choose the statement that is true concerning hemoglobin.
A. It is composed of four protein chains and four heme groups.
B. It can bind a maximum of three oxygen molecules.
C. It is found in the plasma portion of blood.
D. When hemoglobin is not bound to oxygen, it appears blue.
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Answer
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Step 2: Understand Hemoglobin Structure
Hemoglobin is a complex protein found in red blood cells that plays a crucial role in oxygen transport. Let's analyze each statement carefully.
Final Answer
Hemoglobin is composed of four protein chains and four heme groups.
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