11.紫外光区,所指的波长范围为()
A. 200~400nm
B. 400~760nm
C. 760~1000nm
D. 100~200nm
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
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