Transmembrane carrier proteins
A) undergo radical conformational change while transporting solutes.
B) unlike channels, span the lipid bilayer.
C) always transport molecules actively.
D) form hydrophilic pores through membranes.
E) are open only when they bind the correct signal molecule.

Question

Quizplus · Accepted Answer

Transmembrane carrier proteins undergo radical conformational changes to transport solutes across the membrane. This allows them to move specific molecules across the membrane by changing shape, which differs from channel proteins that form pores and do not necessarily undergo such significant conformational changes for their function.

Transmembrane Carrier Proteins