Questions on Cell Membrane Transport Mechanisms and Permeability
1) Hypertonic refers to _______. 1) _______ A) the concentration of solutes that a cell is bathed in B) a concentration of solutes that is less than the solutes inside the cell C) the concentration of solutes inside a cell D) a solution that will cause a cell to swell
2) What happens to facilitated diffusion when the protein carriers become saturated? 2) _______ A) ATP will be utilized for transport. B) The transport rate will increase. C) The protein carriers fall apart. D) The maximum rate of transport will occur.
3) Which of the following statements about carrier proteins is FALSE? 3) _______ A) They can become saturated if the maximum transport rate is exceeded. B) They are found integrated into the plasma membrane. C) They assist in simple diffusion. D) They might have to change shape slightly to accommodate a solute.
4) Osmotic pressure is measured in units of _______. 4) _______ A) mm Hg B) ml/min C) mM/sec D) mM/min
5) Which of the following is NOT a passive process? 5) _______ A) osmosis B) facilitated diffusion C) vesicular transport D) filtration
6) In this activity, the solutes were transported through the dialysis membrane by _______. 6) _______ A) simple diffusion B) osmosis C) active transport D) facilitated diffusion
7) The sodium-potassium pump can transport _______. 7) _______ A) only if sodium and potassium are available B) sodium even if potassium is not available C) potassium even if sodium is not available D) sodium even if potassium is not available and potassium even if sodium is not available
2) What happens to facilitated diffusion when the protein carriers become saturated? 2) _______ A) ATP will be utilized for transport. B) The transport rate will increase. C) The protein carriers fall apart. D) The maximum rate of transport will occur.
3) Which of the following statements about carrier proteins is FALSE? 3) _______ A) They can become saturated if the maximum transport rate is exceeded. B) They are found integrated into the plasma membrane. C) They assist in simple diffusion. D) They might have to change shape slightly to accommodate a solute.
4) Osmotic pressure is measured in units of _______. 4) _______ A) mm Hg B) ml/min C) mM/sec D) mM/min
5) Which of the following is NOT a passive process? 5) _______ A) osmosis B) facilitated diffusion C) vesicular transport D) filtration
6) In this activity, the solutes were transported through the dialysis membrane by _______. 6) _______ A) simple diffusion B) osmosis C) active transport D) facilitated diffusion
7) The sodium-potassium pump can transport _______. 7) _______ A) only if sodium and potassium are available B) sodium even if potassium is not available C) potassium even if sodium is not available D) sodium even if potassium is not available and potassium even if sodium is not available