Biology 1401 Chapter 7 How Cells Harvest Energy

26 Questions  I  By Vlgarza08

  
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1.  Regardless of the electron or hydrogen acceptor used, one of the products of fermentation is always
A.
B.
C.
D.
E.
2.  Select the correct sequence concerning glucose catabolism.
A.
B.
C.
D.
3.  In eukaryotes, the glycolytic reactions take place in the
A.
B.
C.
D.
E.
4.  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.
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.  The enzymes catalyzing the reactions of glycolysis are found in the
A.
B.
C.
D.
E.
7.  A process common to all living organisms, aerobic and anaerobic, is
A.
B.
C.
D.
E.
8.  The first stage of cellular respiration is
A.
B.
C.
D.
E.
9.  The enzymes of the Krebs cycle are located in the
A.
B.
C.
D.
E.
10.  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.
11.  The decarboxylation of pyruvate produces all of the following except
A.
B.
C.
D.
12.  A molecule that stores energy by linking charged phosphate groups each other is called
A.
B.
C.
D.
E.
13.  The decarboxylation step of oxidation of pyruvate takes place in the
A.
B.
C.
D.
E.
14.  The oxygen utilized in cellular respiration finally shows up as
A.
B.
C.
D.
E.
15.  The coenzyme electron carriers produced in the Krebs cycle are
A.
B.
C.
D.
E.
16.  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.
17.  In muscle cells, fermentation produces not alcohol but
A.
B.
C.
D.
E.
18.  The end-product of glycolysis is
A.
B.
C.
D.
E.
19.  Which of the following statements abotu fermentation is false?
A.
B.
C.
D.
E.
20.  During respiration the final acceptor of the hydrogen atoms is
A.
B.
C.
D.
E.
21.  Chemiosmotic generation of ATP is driven by
A.
B.
C.
D.
E.
22.  A single glucose molecule can drive the Krebs cycle
A.
B.
C.
D.
E.
23.  All of the following are the end products of glycolysis except
A.
B.
C.
D.
E.
24.  In the cyclic reaction sequence called the Krebs cycle, the following chemical events take place except
A.
B.
C.
D.
E.
25.  Yeast cells under anaerobic conditions
A.
B.
C.
D.
E.
26.  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.
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