43.母牛的胎盤能分泌下列那種內泌素?
(A)激乳素(lactogen)
(B)抑制素(inhibin)
(C)泌乳素釋放刺激素(prolactin releasing hormone)
(D)生長素釋放刺激素(somatotropin releasing hormone)
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統計: A(729), B(395), C(888), D(332), E(0) #2038470
統計: A(729), B(395), C(888), D(332), E(0) #2038470