Problem
A. Name the five types of proteins found in the plasma membrane
B. Considering the movement of molecules across the cell membrane:
a. Contrast the manner in which alcohol and water enter the cell.
b. Contrast the manner in which amino acids and proteins enter the cell.
C. An infant is brought into a doctor's office with chronic diarrhea. The mother indicates the infant has explosive diarrhea whenever she has milk or milk products. The doctor diagnoses lactose intolerance which means the infant cannot digest milk sugar and suggests giving lactase prior to feeding the infant milk or milk products. How does the addition of lactase prevent diarrhea?