属于类囊体膜上主要含有四类蛋白复合体的是
A. PSⅠ复合体
B. PSⅡ复合体
Cyt b6/f复合体
D. ATPase复合体
引起植物发生双光增益效应的两种光的波长是
A. 450nm
B. 650nm
C. 大于685nm
______ the printer back into place.
A. Put
B. To put
C. Putting
D. Puting
Keep ________ heat.
A. away
B. from
C. away from
D. away with