A membrane protein that binds to a substance and changes shape to transport it in or out of a cell passively is called a

The regional term for the chin is 

Which organ system consists largely of muscles

Which type of molecule identifies the cell as part of the body 

A plasma membrane contains 

If we were describing the location of the heart in reference to the rib cage we would use the term

If there is a membrane separating two concentrations any difference in those concentrations would be called

When using terms the terms “superior” or “inferior” we are describing directional terms in which plane

Which cavity houses the central nervous system

What kind of pump is a sodium potassium pump