Glucose may diffuse into a cell down a

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Glucose may diffuse into a cell down a

• Chemical gradient
• Electrical gradient
• Electrochemical gradient

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Glucose may be pumped into a cell by

• An ATPase
• Facilitated diffusion
• A Na antiporter
• 1 and 3

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The electrical gradient across a cell membrane is
produced by

• K leak channels
• Na leak channels
• Na/K ATPases

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How many ATPs are produced maximally in an
aerobic cell converting glucose to 6 CO2?

• 2
• 4
• 36
• 38

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How many ATPs are produced maximally in an
aerobic cell converting 2 pyruvate to CO2?

• 2
• 34
• 30 (thanks Kelly)
• 4

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How many ATPs are produced maximally in an
aerobic cell converting 3-P-glyceraldehyde to
acetyl CoA?

• 2
• 3
• 5
• 8 (thanks Ashley)

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How does the cell make more OAA to fill up the
citric acid cycle?

• Carboxylation of pyruvate
• Oxidative decarboxylation of pyruvate
• Condensation to form citrate
• Oxidation of citrate

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What has the lowest pH?

• The thylakoid space of a chloroplast
• The stroma of a chloroplast
• The intermembranal space of a mitochondrion
• The matrix of a mitochondrion

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Which has the largest redox potential?

• NAD
• FAD
• O2
• PSII

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Which of the following is not a proton pump?

• Complex I
• Complex II
• Complex III
• Complex IV

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Which of the following rotate in the operation of
the ATP synthase?

• C12
• a
• Stator
• (Alpha-beta)3
• All of the above

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What is the order of conformational changes in
the F1 particle?

• OTL
• LTO
• TLO
• 1 and 3

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Inorganic phosphate (Pi) enters the matrix by H
ion cotransport. The transporter is a(n)

• Antiporter
• Symporter
• Uniporter
• ATPase

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Oligomycin plugs the FO and

• Eventually blocks electron transfer
• Stops ATP synthesis
• Destroys the proton gradient
• 1 and 2
• All of the above

The word destroy means to eliminate, demolish,
kill, take away, blow to smithereens, smash, and
make non-existant,