Review Week 2

Question or Hint Answer or Word

What do selectively permeable membranes allow for? the formation of concentration gradients
Define passive transport. the net movement of molecules from high to low concentration
What is the difference between diffusion and facilitated diffusion? facilitated diffusion uses transport proteins (wrong answers: diffusion uses transport proteins)
True or false: facilitated diffusion allows for hydrophobic molecules and ions to pass through membranes. True (wrong answers: False )
What does active transport require? water
What is the difference between endocytosis and exocytosis Endocytosis moves molecules large molecules into the cell, while exocytosis moves them out of the cell
Define osmolarity the total solute concentrtaion in a solution (wrong answers: the partial solute concentration in a solutio)