Biology 1401 Chapter 7 How Cells Harvest Energy

26 Questions  I  By Vlgarza08 on October 13, 2012

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