What Is the Best Explanation for How a Motor Unit

Multiple Choice

What is the best explanation for how a motor unit of a flagellum can stay in its correct location within a bacterial cell wall and membrane?

A) It is attached to the membrane using proteinaceous fibers.
B) Some portions of the proteins of the motor unit have regions of polar hydrophilic amino acids,and others have non-polar hydrophobic amino acids.
C) The force of the flagellum filament keeps the motor unit pinned to the membrane.
D) The rod portion of the motor unit forms a tube-like structure that uses the suction of water to keep it in place.