The mitochondrion harnesses the energy of the flow of ____ from its ____ compartment to its ____ compartment to
generate ATP.
a. CO2; outer; inner
b. H2O2; outer; inner
c. H+; inner; outer
d. H+; outer; inner
e. CO2; inner; outer
ANSWER: d
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The ________ hypothesis proposes that mitochondria and chloroplasts developed from free-living prokaryotes that invaded a precursor to the eukaryotes and established a stable relationship.
What will be an ideal response?
Which figure correctly illustrates the mechanism of action of the sodium-potassium pump?
A. A
B. B
C. C
D. D
In which zone do phytoplankton and zooplankton support whales and fish?
a. oceanic zone b. abyssal zone c. benthic zone d. aphotic zone
In the figure below, the cell is _____ to the solution. If the membrane is permeable to water, but not to solutes, net movement of water will be _____ the cell. (Note that the units mM represent the total concentration of solute in the solution.) Inside the cell is 285 mM and outside the cell is 500 mM.
a) hypotonic; out of b) hypertonic: out of c) hypotonic: into d) hypertonic: into