Hemoglobin F ________.

A. has a lower affinity for oxygen than hemoglobin A
B. binds large amounts of 2,3-DPG
C. contains two alpha and two gamma chains
D. is increased in sickle-cell anemia


Answer: C

Anatomy & Physiology

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How would blocking the activity of acetylcholinesterase affect skeletal muscle?

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Which of the following is located at the midline in a cross-sectional view at the level of the optic chiasm?

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