皮皮学，免费搜题
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【单选题】
合成去甲肾上腺素的限速酶是A.
酪氨酸羟化酶
B.
儿茶酚胺氧位甲基转移酶
C.
多巴脱羧酶
D.
单胺氧化酶
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皮皮学刷刷变学霸
举一反三
【单选题】______ suspend the body and associated parts.
A.
Suspension system
B.
air brake system
C.
hydraulic system
D.
parking system
【单选题】suspend the body and associate parts so that they are insulated from road and vibrations.
A.
Brake systems
B.
Power train
C.
Suspension systems
D.
Catalytic converter
【单选题】______ suspend the body and associated parts so that they are insulated from road shocks and vibrations.
A.
Brake systems
B.
Power train
C.
Suspension systems
D.
Catalytic converter
【单选题】Portions of the peritoneum and serosa that are continuous and suspend visceral structures in the body cavity are called ( ).
A.
epithelia
B.
mesenteries
C.
ectoderms
D.
endoderms
E.
peritoneal serosae
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