What is the dependent variable in figure 4.24? 
A) The number of defective copies of the CFTR gene in mice
B) The number of defective copies of the CFTR gene in humans
C) The amount of fluid in the intestines
D) Whether or not the subjects were exposed to cholera toxin
E) Whether or not the subjects were exposed to Vibrio cholera bacteria
Correct Answer:
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Q2: Reduction is the loss of electrons.
Q57: The sodium-potassium pump catalyzes:
A)Osmosis
B)Facilitated diffusion
C)Diffusion
D)Equilibrium
E)Active transport
Q58: After the active transport of chloride ions
Q59: If you drop a rubber ball it
Q60: The wood in a match is made
Q61: An enzyme is a protein that catalyzes
Q64: When an end product of a reaction
Q64: The first and second laws of thermodynamics
Q65: Exergonic reactions do not require activation energy
Q66: Movement of molecules down a concentration gradient
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