Question

Which of the following experimental data are consistent with the conclusions of Unwin and Henderson's experiments on transmembrane protein structure?

A. Membranes undergo phase transitions that are determined by the molecular components of the membrane.

B. Biological membranes are relatively fluid structures.

C. Membrane phospholipids have more lateral and rotational freedom of movement than flip-flop movement between membrane leaflets.

D. Many transmembrane proteins are characterized by one or more transmembrane alpha helices.