19. If an inhibitor changes the slope of the Lineweaver-Burk graph, but not the y-intercept, it is this type of inhibition: (A) Competitive. (B) Non-competitive. (C) Mixed Inhibition (uncompetitive inhibition). (D) You cannot tell from the data given. (E) More than one answer is correct.

3. In the sodium-potassium pump (A) sodium is transported out of the cell and potassium into the cell, both against concentration gradients (B) sodium is transported into the cell and potassium out of the cell, both against concentration gradients (C) sodium is transported out of the cell and potassium into the cell, both in the same direction as concentration gradients (D) sodium and potassium are both transported out of the cell against concentration gradients

19. If an inhibitor changes the slope of the Lineweaver-Burk graph, but not the y-intercept, it is this type of inhibition:
(A) Competitive.
(B) Non-competitive.
(C) Mixed Inhibition (uncompetitive inhibition).
(D) You cannot tell from the data given.
(E) More than one answer is correct.

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