Biology 1401 Chapter 7 How Cells Harvest Energy

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1.  A molecule that stores energy by linking charged phosphate groups each other is called
A.
B.
C.
D.
E.
2.  An electron carrier that is used in harvesting energy from glucose molecules in a series of gradual steps in the cytoplasm is
A.
B.
C.
D.
E.
3.  In eukaryotes, the glycolytic reactions take place in the
A.
B.
C.
D.
E.
4.  The first stage of cellular respiration is
A.
B.
C.
D.
E.
5.  In the absence of oxygen, hydrogen atoms generated by glycolysis are donated to organic molecules in a process called
A.
B.
C.
D.
E.
6.  Which of the following statements abotu fermentation is false?
A.
B.
C.
D.
E.
7.  Chemiosmotic generation of ATP is driven by
A.
B.
C.
D.
E.
8.  The reaction, C(6)H(12)O(6) + 6O(2) = 6 CO(2) + 6 H(2)O, when it occurs in living cells is known as
A.
B.
C.
D.
E.
9.  In oxidative respiration, energy is harvested from glucose molecules in a sequence of four major pathways. Which of the following is not one of these four pathways?
A.
B.
C.
D.
E.
10.  A process common to all living organisms, aerobic and anaerobic, is
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B.
C.
D.
E.
11.  All of the following are the end products of glycolysis except
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B.
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D.
E.
12.  The end-product of glycolysis is
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B.
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D.
E.
13.  The enzymes catalyzing the reactions of glycolysis are found in the
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B.
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D.
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14.  The decarboxylation step of oxidation of pyruvate takes place in the
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B.
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D.
E.
15.  The decarboxylation of pyruvate produces all of the following except
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B.
C.
D.
16.  In the cyclic reaction sequence called the Krebs cycle, the following chemical events take place except
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B.
C.
D.
E.
17.  A single glucose molecule can drive the Krebs cycle
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B.
C.
D.
E.
18.  The coenzyme electron carriers produced in the Krebs cycle are
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B.
C.
D.
E.
19.  The oxygen utilized in cellular respiration finally shows up as
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B.
C.
D.
E.
20.  The enzymes of the Krebs cycle are located in the
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B.
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D.
E.
21.  Since membranes are relatively impermeable to ions, most of the protons re-enter the matrix of mitochondria by passing through special channels in the inner mitochondrial membrane. Because of the inward flow of protons these channels allow the synthesis of
A.
B.
C.
D.
E.
22.  Regardless of the electron or hydrogen acceptor used, one of the products of fermentation is always
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B.
C.
D.
E.
23.  Yeast cells under anaerobic conditions
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B.
C.
D.
E.
24.  In muscle cells, fermentation produces not alcohol but
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B.
C.
D.
E.
25.  During respiration the final acceptor of the hydrogen atoms is
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B.
C.
D.
E.
26.  Select the correct sequence concerning glucose catabolism.
A.
B.
C.
D.
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