AP Biology (Mader), 11th Edition

Chapter 8: Cellular Respiration

Post-Test

1
Which of the following statements correctly describes glycolysis?
A)Glycolysis occurs in the mitochondria.
B)Glycolysis requires O2.
C)Glycolysis produces two molecules of pyruvate.
D)Glycolysis oxidizes two NADH molecules to NAD.
2
Glycolysis occurs in the _____.
A)cytosol
B)matrix
C)cristae
D)nucleus
3
If oxygen is not available the pyruvates produced by glycolysis are fed into:
A)fermentation.
B)the preparatory reaction.
C)the citric acid cycle.
D)the electron transport system.
4
When pyruvate is oxidized in the preparatory reaction, ________ is reduced.
A)acetyl Co-A
B)FAD
C)NAD+
D)ATP
5
In cellular respiration, the electron transport chain is located in the _____.
A)stroma
B)matrix
C)cytosol
D)cristae
6
Which of the following citric acid cycle byproducts is disposed of by our respiratory system when we exhale?
A)CO2
B)ATP
C)NADH
D)FADH2
7
Where are the majority of ATP's produced in the aerobic respiration of glucose?
A)Glycolysis
B)Chemiosmosis
C)Citric acid cycle
D)Fermentation
8
The ATP produced during glycolysis is produced by _____.
A)substrate-level phosphorylation
B)oxidative phosphorylation
C)photophosphorylation
9
There is/are _____ pyruvate molecule(s) produced per glucose molecule during glycolysis.
A)one
B)two
C)six
D)ten
10
All of the following statements about catabolism are true EXCEPT:
A)Catabolism breaks down larger molecules into smaller molecules.
B)Catabolic pathways tend to be exergonic.
C)Photosynthesis is catabolic.
D)Catabolism drives anabolism.
11
During fermentation, _____ is regenerated and returns to glycolysis to pick up more electrons.
A)ATP
B)glucose
C)NAD+
D)pyruvate
12
Oxygen debt is _____.
A)the amount of oxygen needed to rid the body of lactate
B)the amount of oxygen needed for cellular respiration
C)the amount of oxygen needed for glycolysis
D)the amount of oxygen the body stores for future use
13
The final electron acceptor in the electron transport chain is _____.
A)FADH2
B)O2
C)coenzyme Q
14
How many ATP molecules are produced when FADH2 delivers electrons to the electron transport chain?
A)1
B)2
C)4
D)36
15
Animal cells perform _____ fermentation.
A)lactate (lactic acid)
B)alcohol
C)both lactic acid and alcohol
16
This product of fermentation is lethal to the cells that produce it:
A)Alcohol
B)CO2
C)NADH
17
Plants are able to synthesize all of the amino acids they need. Humans are only capable of synthesizing 11 amino acids with the others termed _________.
A)common amino acids
B)enabled amino acids
C)essential amino acids
18
When NADH produced during the preparatory reaction and citric acid cycle delivers electrons to the electron transport system, _____ ATP is/are produced.
A)1
B)2
C)3
D)36
19
The energy released by the electron transport system produces ATP by _____.
A)photophosphorylation
B)substrate-level phosphorylation
C)oxidative phosphorylation
20
Iron-containing proteins that are part of electron transport chains are:
A)anabolic steroids
B)substrates
C)cytochromes
D)cristae
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