Select your answer:
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Pharmacology › ViewMOA of Trimethoprin
A. binds to iron
B. DNA synthesis
C. erythropoietin secretion inhibitor
D. none of the above
Muscle Anatomy › View
What does calcium do to the actin?
A. Covers myosin binding sites
B. Uncovers myosin binding sites
C. Covers actin binding sites
D. Uncovers actin binding sites