Quiz 6

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The overall equation for the cellular respiration of glucose is

C6H12O6+6 O2-->6 CO2+6 H2O+ energy

In the electron transport chain, the final electron acceptor is

an oxygen atom

Oxidation is the______, and reduction is the _______

loss of electrons; gain of electrons

A scientist wants to study the enzymes of the citric acid cycle in eukaryotic cells. What part of the cell would she use as a source of these enzymes

mitochondrial matrix

The end products of the citric acid cycle include all of the following EXCEPT

pyruvate

Which of the following best describes the electron transport chain?

Electrons pass from one carrier to another, releasing a little energy at each step

How do cells capture the energy released by cellular respiration?

They produce ATP

Sports physiologists at an Olympic training center want to monitor athletes to determine at what point their muscles begin to function anaerobically. They could do this by checking for a buildup of ________

lactic acid

A molecule that functions as the electron donor in a redox reaction ___________

loses electrons and becomes oxidized

A mutant protest is found in which some mitochondria lack an inner mitochondrial membrane. Which of the following pathways would be completely disrupted in these mitochondria?

oxidative phosphorylation


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