题目内容

12.紫外-可见光区,所指的波长范围为()

A. 200~400nm
B. 400~760nm
C. 200~760nm
D. 100~760nm

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分光光度法利用的是物质对光的是

A. 反射
B. 散射
C. 折射
D. 选择性吸收

Release of neurotransmitter into the synaptic cleft occurs by which one of the following processes?

A. Endocytosis
B. Exocytosis
C. Diffusion
D. Phagocytosis
E. Pinocytosis

Positive indentification of the central or peripheral nervous system source of a myelinated axon in an electron micrograph can be based on the presence or absence of

A. External laminae
B. Major dense lines
C. Nissl substance
D. Synaptic vesicle
E. Nodes of Ranvier

杨甲三提出了穴位“三边”“三间“的理论看,以下各项中,不属于“三边”的是( )。

A. 肌肉边缘
B. 肌腱边缘
C. 骨的边缘
D. 脏器边缘

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