4. Which of the following is a local regulator responsible for activating an enzyme that relaxes smooth muscle cells?
(A) nitric oxide
(B) prostaglandin F
(C) epinephrine
(D) A and B
(E) A, B, and C
詳解 (共 2 筆)
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(B) prostaglandin F ...
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正確答案是 (A) 一氧化氮 (nit...
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