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【简答题】
下图表示垂体与甲状腺存在特定作用关系。请回答下列问题。 (1)垂体与甲状腺都属于__________腺,分泌物H和h作为化学信号物质称为___________。H和h由腺细胞分泌后直接释放到___________,被运输到特定组织细胞发挥作用。 (2)h称为___________,对组织细胞具有___________的作用而使体内产热量增加,此外还具有____________神经系统兴奋性等作用。 (3)H称为____________,对甲状腺分泌物的合成与释放有促进作用。 (4)h的分泌总是受到H的作用,但又总是保持相对稳定,其重要原因之一是h也会对垂体产生影响:当h分泌较多时会____________垂体分泌H;h分泌较,H的分泌又会_____________。这种调节称为______________调节。
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B.
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C.
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A.
Y
B.
N
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A.
蛋氨酸循环
B.
嘌呤核苷酸循环
C.
鸟氨酸循环
D.
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E.
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A.
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B.
嘌呤核苷酸循环
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鸟氨酸循环
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丙氨酸葡萄糖循环
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A.
蛋氨酸循环
B.
嘌呤核苷酸循环
C.
鸟氨酸循环
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转氨基作用
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A.
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N
C.
NG
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A.
联合脱氨基作用
B.
嘌呤核苷酸循环
C.
鸟氨酸循环
D.
蛋氨酸循环
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A.
正确
B.
错误
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