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Bionline Quiz Xtra Points. 10C

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

When glycolysis occurs,
a.
a molecule of glucose is split.
c.
some ATP is produced.
b.
two pyruvates are made.
d.
All of the above
 

 2. 

In cellular respiration, a two-carbon molecule combines with a four-carbon molecule as part of
a.
glycolysis.
c.
the Krebs cycle.
b.
carbon dioxide fixation.
d.
the electron transport chain.
 

 3. 

Acetyl-CoA
a.
is formed from the breakdown of pyruvate.
b.
enters the Krebs cycle.
c.
combines with a four-carbon compound.
d.
All of the above
 

 4. 

An important example of an electron acceptor that functions in glycolysis is
a.
ATP.
c.
NAD+.
b.
oxygen.
d.
water.
 

 5. 

The total amount of ATP that a cell gains for each glucose molecule depends on the presence of
a.
water.
c.
oxygen.
b.
carbon dioxide.
d.
glucose.
 

 6. 

For each molecule of glucose that is broken down during aerobic respiration, the Krebs cycle produces
a.
2 ATP.
c.
6 ATP.
b.
4 ATP.
d.
8 ATP.
 



 
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