Review Week 2

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

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