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Advanced Biology
Test Description: Chapter 6 Review
Instructions: Answer all questions to get your test result.
1) After glycolysis but before the citric acid cycle,
A
glucose is split, producing two molecules of pyruvate.
B
coenzyme A is cleaved off pyruvate.
C
a carbon atom is added to pyruvate to make a four-carbon compound.
D
pyruvate is oxidized.
2) Bacteria that are unable to survive in the presence of oxygen are called
A
aerotolerant anaerobes.
B
facultative anaerobes.
C
obligate aerobes.
D
obligate anaerobes.
3) The enzymes of the citric acid cycle are located in the
A
cytoplasm.
B
nucleus.
C
matrix and inner mitochondrial membrane.
D
outer mitochondrial membrane.
4) Oxidation is the ________, and reduction is the ________.
A
gain of electrons . . . loss of electrons
B
gain of oxygen . . . loss of oxygen
C
loss of electrons . . . gain of electrons
D
gain of protons . . . loss of protons
5) During cellular respiration, NADH
A
is chemically converted into ATP.
B
is the final electron acceptor.
C
is reduced to form NAD+.
D
delivers its electron load to the first electron carrier molecule.
6) In fermentation, ________ is ________.
A
ethanol . . . oxidized
B
NADH . . . oxidized
C
NAD+ . . . oxidized
D
NADH . . . reduced
7) During which of the following phases of cellular respiration does substrate-level phosphorylation take place?
A
oxidative phosphorylation
B
glycolysis
C
the citric acid cycle
D
glycolysis and the citric acid cycle
8) Which of the following statements about the inner mitochondrial membrane is false?
A
ATP synthase is found in the inner mitochondrial membrane.
B
A gradient of H+ exists across the inner mitochondrial membrane.
C
Electron carriers are found in the inner mitochondrial membrane.
D
The inner mitochondrial membrane plays a role in the production of pyruvate.
9) Which of the following statements regarding photosynthesis and cellular respiration is true?
A
Photosynthesis occurs in mitochondria and in chloroplasts.
B
Photosynthesis occurs in mitochondria, and cellular respiration occurs in chloroplasts.
C
Cellular respiration occurs in mitochondria and in chloroplasts.
D
Photosynthesis occurs in chloroplasts, and cellular respiration occurs in mitochondria.
10) Yeasts can produce ATP by either fermentation or oxidative phosphorylation; thus, they are
A
strict anaerobes.
B
facultative aerobes.
C
strict aerobes.
D
facultative anaerobes.
*select an answer for all questions
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