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Questions and Answers
Which of the following is true about myoglobin?
Which of the following is true about myoglobin?
- It is composed of multiple polypeptide chains
- It releases oxygen when the partial pressure of oxygen is below 20 mmHg (correct)
- It binds with a molecule of carbon dioxide
- It is found in red blood cells
Where is myoglobin found in the body?
Where is myoglobin found in the body?
- Skeletal muscles (correct)
- Red blood cells
- Lungs
- Liver
What is the main function of myoglobin?
What is the main function of myoglobin?
- To transport carbon dioxide in the bloodstream
- To store oxygen in resting muscles (correct)
- To transfer oxygen from the lungs to the muscles
- To release oxygen when the partial pressure of oxygen is above 20 mmHg
