Content Frame
Note for screen reader users: There is text between the form elements on this page. To be sure that you do not miss any text, use item by item navigation methods, rather than tabbing from form element to form element
[Skip Breadcrumb Navigation]

Post-Test

 

This activity contains 51 questions.

Question 1
1
Open Hint for Question 1 in a new window
Consider the figure below. _____ is to a mitochondrion as _____ is to a chloroplast.

Figure_06-01.jpg
 
End of Question 1


Question 2
2
Open Hint for Question 2 in a new window
In humans, oxygen and carbon dioxide are exchanged with the atmosphere via the _____.
 
End of Question 2


Question 3
3
Open Hint for Question 3 in a new window
In an experiment, mice were fed glucose (C6H12O6) containing a small amount of radioactive oxygen. The mice were closely monitored, and in a few minutes radioactive oxygen atoms showed up in _____.
 
End of Question 3


Question 4
4
Open Hint for Question 4 in a new window
The function of cellular respiration is to _____.
 
End of Question 4


Question 5
5
Open Hint for Question 5 in a new window
How many kilocalories are captured in ATP from 1.5 moles of glucose?
 
End of Question 5


Question 6
6
Open Hint for Question 6 in a new window
As shown below, an electron carrier, such as _____, acts as an energy-storage molecule when it is _____.

Figure_06-05B.jpg
 
End of Question 6


Question 7
7
Open Hint for Question 7 in a new window
The principal molecules involved in transporting electrons to the electron transport chain are composed of _____.
 
End of Question 7


Question 8
8
Open Hint for Question 8 in a new window
A molecule is oxidized when it _____.
 
End of Question 8


Question 9
9
Open Hint for Question 9 in a new window
Which of the following best describes the electron transport chain?
 
End of Question 9


Question 10
10
Open Hint for Question 10 in a new window
Bacteria have no membrane-enclosed organelles. However, some still generate ATP through cellular respiration. Where is the electron transport chain found in these organisms?
 
End of Question 10


Question 11
11
Open Hint for Question 11 in a new window
Where does glycolysis occur in a eukaryotic cell?
 
End of Question 11


Question 12
12
Open Hint for Question 12 in a new window
Where do the reactions of the citric acid cycle occur in eukaryotic cells?
 
End of Question 12


Question 13
13
Open Hint for Question 13 in a new window
Where in bacterial cells does the citric acid cycle occur?
 
End of Question 13


Question 14
14
Open Hint for Question 14 in a new window
Of the metabolic pathways listed below, the only pathway found in almost all organisms is _____.
 
End of Question 14


Question 15
15
Open Hint for Question 15 in a new window
A small amount of ATP is made in glycolysis _____.
 
End of Question 15


Question 16
16
Open Hint for Question 16 in a new window
A chemist has discovered a drug that blocks phosphoglucoisomerase, an enzyme that catalyzes the second reaction in glycolysis. He wants to use the drug to treat people with bacterial infections. However, he can't do this because _____.
 
End of Question 16


Question 17
17
Open Hint for Question 17 in a new window
What is the name of the process in which glucose is converted to pyruvate?
 
End of Question 17


Question 18
18
Open Hint for Question 18 in a new window
In preparing pyruvate to enter the citric acid cycle, which of the following steps occurs?
 
End of Question 18


Question 19
19
Open Hint for Question 19 in a new window
When pyruvate is converted to acetyl CoA, _____.
 
End of Question 19


Question 20
20
Open Hint for Question 20 in a new window
In eukaryotes, most of the high-energy electrons released from glucose by cell respiration _____.
 
End of Question 20


Question 21
21
Open Hint for Question 21 in a new window
Most of the NADH that delivers high-energy electrons to the electron transport chain comes from _____.
 
End of Question 21


Question 22
22
Open Hint for Question 22 in a new window
Why is the citric acid cycle called a cycle?
 
End of Question 22


Question 23
23
Open Hint for Question 23 in a new window
The energy production per glucose molecule through the citric acid cycle is _____.
 
End of Question 23


Question 24
24
Open Hint for Question 24 in a new window
The major (but not sole) energy accomplishment of the citric acid cycle is the _____.
 
End of Question 24


Question 25
25
Open Hint for Question 25 in a new window
Once the citric acid cycle has been completed, most of the usable energy from the original glucose molecule is in the form of _____.
 
End of Question 25


Question 26
26
Open Hint for Question 26 in a new window
Which of the following serves primarily as a hydrogen-atom carrier molecule in cells?
 
End of Question 26


Question 27
27
Open Hint for Question 27 in a new window
What happens to the energy that is given up by electrons as they move through the electron transport chain?
 
End of Question 27


Question 28
28
Open Hint for Question 28 in a new window
The ATP synthase in a human cell gets energy for making ATP directly from _____.
 
End of Question 28


Question 29
29
Open Hint for Question 29 in a new window
What is the mechanism of action for the enzyme ATP synthase? ATP is formed _____.
 
End of Question 29


Question 30
30
Open Hint for Question 30 in a new window
In cellular respiration, which one of the following is performed directly by the electron transport chain (or its components)?
 
End of Question 30


Question 31
31
Open Hint for Question 31 in a new window
The enzyme ATP synthase catalyzes the phosphorylation of ADP to form ATP. In eukaryotic cells, the energy needed for this endergonic reaction is derived from _____.
 
End of Question 31


Question 32
32
Open Hint for Question 32 in a new window
Which one of the following is the source of the energy that produces the chemiosmotic gradient in mitochondria?
 
End of Question 32


Question 33
33
Open Hint for Question 33 in a new window
In a eukaryotic cell, the electron transport chain is precisely located in or on the _____.
 
End of Question 33


Question 34
34
Open Hint for Question 34 in a new window
Rotenone is a poison that blocks the electron transport chain. When it does so, glycolysis and the citric acid cycle eventually halt as well. This is because _____.
 
End of Question 34


Question 35
35
Open Hint for Question 35 in a new window
Carbon monoxide is a toxic gas because it directly _____.
 
End of Question 35


Question 36
36
Open Hint for Question 36 in a new window
Where does most of the ATP produced in cellular respiration come from?
 
End of Question 36


Question 37
37
Open Hint for Question 37 in a new window
Which of the following directly requires molecular oxygen (O2)?
 
End of Question 37


Question 38
38
Open Hint for Question 38 in a new window
During aerobic respiration, molecular oxygen (O2) is used _____.
 
End of Question 38


Question 39
39
Open Hint for Question 39 in a new window
Through respiration, humans breathe in O2 and breathe out CO2. However, what would happen if we did not breathe in O2?
 
End of Question 39


Question 40
40
Open Hint for Question 40 in a new window
A single glucose molecule produces about 38 molecules of ATP through the process of cellular respiration. However, this only represents approximately 38% of the chemical energy present in this molecule. The rest of the energy from glucose is _____.
 
End of Question 40


Question 41
41
Open Hint for Question 41 in a new window
The overall efficiency of respiration is approximately _____.
 
End of Question 41


Question 42
42
Open Hint for Question 42 in a new window
In the equation shown below, during cellular respiration _____ is oxidized and _____ is reduced.

Figure_06-03.jpg
 
End of Question 42


Question 43
43
Open Hint for Question 43 in a new window
Substrate-level phosphorylation directly generates ATP during a chemical reaction. As a single molecule of glucose is completely oxidized, in the presence of oxygen, how many molecules of ATP are gained by substrate-level phosphorylation?
 
End of Question 43


Question 44
44
Open Hint for Question 44 in a new window
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 _____.
 
End of Question 44


Question 45
45
Open Hint for Question 45 in a new window
Carbon monoxide is a colorless, odorless, and toxic gas. However, breathing carbon monoxide will still allow you to produce _____ from one glucose molecule.
 
End of Question 45


Question 46
46
Open Hint for Question 46 in a new window
In the absence of oxygen, cells need a way to regenerate which compound?
 
End of Question 46


Question 47
47
Open Hint for Question 47 in a new window
Muscle tissues make lactic acid from pyruvate so that you can _____.
 
End of Question 47


Question 48
48
Open Hint for Question 48 in a new window
Organisms can use other molecules as fuel for cellular respiration. When protein molecules are used, _____ are produced as waste.
 
End of Question 48


Question 49
49
Open Hint for Question 49 in a new window
A gram of fat oxidized by cellular respiration produces approximately _____ as much ATP as a gram of carbohydrate.
 
End of Question 49


Question 50
50
Open Hint for Question 50 in a new window
During cellular respiration, glucose is oxidized. However, an intermediate, _____, can be siphoned off and used to synthesize fats.
 
End of Question 50


Question 51
51
Open Hint for Question 51 in a new window
When growing in a nutrient-rich environment, bacteria can use the provided amino acids to synthesize their proteins. However, should the environment change, they can synthesize their amino acids using _____.
 
End of Question 51


Clear Answers/Start Over





Pearson Copyright © 1995 - 2011 Pearson Education . All rights reserved. Pearson Benjamin Cummings is an imprint of Pearson .
Legal Notice | Privacy Policy | Permissions

[Return to the Top of this Page]