Integral Membrane Proteins Have Been Engineered to Lack the Portion

Multiple Choice

Integral membrane proteins have been engineered to lack the portion that normally projects into the extracellular space.When the gene is inserted in cells,what happens to the mobility of this protein in the membrane?

A) They move at a much greater rate than the wild type protein.
B) They move at a much smaller rate than the intact protein.
C) They do not move at all.
D) They are not inserted into the membrane so nothing can be learned about their mobility.
E) They flip to the opposite leaflet.