Quiz 8
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1-4. Answer with diffusion through (B) the bilayer; (N) a channel; (R) a carrier.
Answer with only one even if two are correct. Use each letter at least once.

         requires a protein that does not change conformation

         alanine moves across a membrane

           not saturable

          CO2 moves across a membrane

5-6. ΔGT = R T ln (C2/C1) + Z F ΔV. Answer with R, T, C2, C1, Z, F, or ΔV.

          [solute] outside a cell when the solute is moving out → in

          the membrane potential

7-8. The concentration term = R T ln (C2/C1), and the charge term = Z F ΔV.
Shortly after a meal, [lysine]extracellular is much greater than [lysine]intracellular .
Answer with (>) greater than; (<) less than; or (=) equal to.

Moving lysine into the cell has a concentration term                0 and a charge term          0.

9-10. Draw the structure of lysine at pH 7.

1-4. Answer with diffusion through (B) the bilayer; (N) a channel; (R) a carrier.
Answer with only one even if two are correct. Use each letter at least once.

           O2 moves across a membrane

            involves a gated protein

             requires a protein that changes
               conformation

           K+ moves across a membrane

5-6. ΔGT = R T ln (C2/C1) + Z F ΔV. Answer with R, T, C2, C1, Z, F, or ΔV.

         8.314 J/mol

         +2 for moving calcium

7-8. The concentration term = R T ln (C2/C1), and the charge term = Z F ΔV.
For red blood cells in the lungs [HCO3−]intracellular is much greater than [HCO3−]extracellular .
Answer with (>) greater than; (<) less than; or (=) equal to.

Moving HCO3− into the cell has a concentration term            0 and a charge term           0.

9-10. Draw the structure of tyrosine at pH 7.

1-4. Answer with diffusion through (B) the bilayer; (N) a channel; (R) a carrier.
Answer with only one even if two are correct. Use each letter at least once.

         saturable

         lysine moves across a membrane

          CO2 moves across a
               membrane

          requires a protein with a specific binding site

5-6. ΔGT = R T ln (C2/C1) + Z F ΔV. Answer with R, T, C2, C1, Z, F, or ΔV.

            −1 for moving bicarbonate

            96,480 J/V-mol

7-8. The concentration term = R T ln (C2/C1), and the charge term = Z F ΔV.
Shortly after a meal, [glucose]extracellular is much greater than [glucose]intracellular .
Answer with (>) greater than; (<) less than; or (=) equal to.

     Moving glucose into the cell has a charge term         0 and a concentration term              0.

9-10. Draw the structure of threonine at pH 7.

1-4. Answer with diffusion through (B) the bilayer; (N) a channel; (R) a carrier.
Answer with only one even if two are correct. Use each letter at least once.

           involves a gated protein

          does not require a protein

          Na+ moves across a membrane

         glucose moves across a membrane

5-6. ΔGT = R T ln (C2/C1) + Z F ΔV. Answer with R, T, C2, C1 1 , Z, F, or ΔV.

          298 K

          [solute] inside a cell when the solute is moving out → in

7-8. The concentration term = R T ln (C2/C1), and the charge term = Z F ΔV.
For red blood cells in the tissues [HCO3−]extracellular is much greater than [HCO3−]intracellular .
Answer with (>) greater than; (<) less than; or (=) equal to.

Moving HCO3−into the cell has a concentration term            0 and a charge term            0.

9-10. Draw the structure of histidine at pH 7.

 

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