Which of the following choices is grammatically similar to the underlined part of the following sentence？Did these prejudices prevail only among the meanest and lowest of the people, perhaps they migh
A. Did they prejudice against the black candidate during the election
B. Had I known the killer escaped, I would not have gone for a walk in the woods
C. Even if we did prevail, the legal fees probably would exceed the damages we might reasonably expect to recover
D. They did prevail, and they were immediately ready to reap the benefits of that victory
查看答案
The presence of clathrin mediates vesicular transport（）
A. from ER to cis-Golgi
B. trans-Golgi to endosome
C. nuclear membrane to endosome
D. plasma membrane to trans-Golgi
Classes of membrane transport proteins include all of the following except（）
ATP-powered pumps
B. ion channels
C. protein translocons
D. transporters
What is the advantage of using GFP-tag to visualize specific proteins, instead of staining cells with fluorescent dyes that bind to the target protein（）
A. GFP fusions enable one to track changes in the location of the protein in living cells; staining usually requires fixed cells
B. GFP fusions enable higher resolution than staining with fluorescent probes
C. GFP permits the position of the protein in the cell more precisely than fluorescent probes
D. GFP fusions are not subject to artifacts; fluorescent probes may introduce background artifacts
All the following statements describe biomembranes except（）
A. Different biomembranes may contain different proportions of the same phospholipids
B. The two leaflets of a biomembrane may contain different phospholipids
C. Some biomembranes have free edges
D. Some phospholipids and cholesterol may cluster to form lipid rafts
微信支付 
支付宝支付