Site MapHelpFeedbackPost-Test
Post-Test
(See related pages)

1
When oxygen is utilized to synthesize ATP, this is known as
A)cellular respiration.
B)metabolism.
C)anaerobic respiration.
D)aerobic synthesis.
E)aerobic respiration.
2
Which of the following is not a distinct metabolic pathway utilized in the breakdown of glucose to CO2 in cellular respiration?
A)Glycolysis
B)Citric acid cycle
C)Fermentation
D)Oxidative phosphorylation
E)Pyruvate conversion to acetyl CoA
3
The synthesis of ATP using energy provided by an electrochemical gradient is most accurately referred to as
A)substrate level phosphorylation.
B)reduction.
C)oxidation.
D)oxidative phosphorylation.
E)fermentation.
4
Which one of the following does not represent a likely function of a secondary metabolite?
A)Producing a bad taste to prevent an animal from eating a plant
B)Attracting insects to assist in pollination
C)Aiding in the formation of a cell wall
D)Inhibiting growth of nearby organisms
E)All of the choices are likely roles of secondary metabolites
5
Which of the following is the correct net gain of products from glycolysis?
A)4 ATP : 2 NADH : 2 Pyruvate
B)2 ATP : 4 NADH : 4 Pyruvate
C)2 ATP : 4 NADH : 2 Pyruvate
D)2 ATP : 2 FADH2 : 2 Pyruvate
E)2 ATP : 2 NADH : 2 Pyruvate
6
Which of the following occurs in the cytosol?
A)Pyruvate conversion to Acetyl CoA
B)Glycolysis
C)Oxidative phosphorylation
D)Citric acid cycle
E)None of these occur in the cytosol
7
The citric acid cycle can be regulated by competitive inhibition of succinate dehydrogenase by oxaloacetate.
A)True
B)False
8
A single glucose molecule will result in _____________ after entering the citric acid cycle.
A)2 CO2 : 2 FADH2 : 6 NADH : 4 ATP
B)2 CO2 : 2 FADH2 : 2 NADH : 2 ATP
C)2 CO2 : 2 FADH2 : 2 NADH : 4 ATP
D)2 CO2 : 2 FADH2 : 2 NADH : 6 ATP
E)2 CO2 : 2 FADH2 : 4 NADH : 6 ATP
9
Which of the following would not be considered a form of transport used during oxidative phosphorylation?
A)Chemiosmosis
B)Active transport
C)Protonmotive force
D)Facilitated diffusion
E)All of the choices are forms of transport utilized during oxidative phosphorylation
10
Which one of the following statements about ATP synthase is incorrect?
A)ATP synthase is a rotary protein
B)H+ passes through the c subunit causes a conformational change that results in rotation of the γ subunit to rotate
C)The β subunits go through 3 conformational changes
D)The β subunits are always in the same conformation at the same time
E)ATP synthase phosphorylates ADP
11
During a metabolic cycle, molecules may enter while other molecules leave.
A)True
B)False
12
Glycolysis is controlled by
A)the rate-limiting step.
B)feedback inhibition.
C)secondary metabolites.
D)the rate-limiting step and feedback inhibition.
E)feedback inhibition and secondary metabolites.
13
Which one of the following statements about glycolysis is incorrect?
A)Glycolysis involves an energy "investment" phase and an energy "payout" phase
B)A net yield of 2 ATP is achieved per molecule of glucose in glycolysis
C)At the end of glycolysis, the six carbons that originated in glucose are found in one molecule of pyruvate and three carbon dioxides
D)Glycolysis is essentially the same in all living organisms
E)Some of the energy liberated during glycolysis is used to reduce NAD+ into NADH
14
In eukaryotes, pyruvate oxidation occurs in the _______, and the citric acid cycle occurs in the _______.
A)cytoplasm; mitochondrial matrix
B)mitochondrial matrix; mitochondrial matrix
C)outer mitochondrial membrane; inner mitochondrial membrane
D)cytoplasm; cytoplasm
E)outer mitochondrial membrane; mitochondrial matrix
15
The final electron acceptor at the end of the electron transport chain is oxygen.
A)True
B)False
16
Which one of the following is not a product of the citric acid cycle?
A)FADH2
B)NADH
C)Carbon dioxide
D)GTP (then converted to ATP)
E)Water
17
Which of the following components of the electron transport chain does not actively pump protons across the inner mitochondrial membrane?
A)Cytochrome b-c1
B)Cytochrome oxidase
C)NADH dehydrogenase
D)Succinate reductase
E)All of these components of the electron transport chain actively pump protons across the inner mitochondrial membrane
18
NADH and FADH2 donate electrons to the electron transport chain at different points.
A)True
B)False
19
Which of the following will not occur in anaerobic conditions?
A)Alcohol fermentation
B)Lactic acid fermentation
C)Glycolysis
D)Chemiosmosis
E)Oxidative phosphorylation
20
Which of the following is not a secondary metabolite?
A)Tannins
B)Nicotine
C)Beta-carotene
D)Tetracycline
E)All of these choices are secondary metabolites





To learn more about the book this website supports, please visit its Information Center.
(c)2011 McGraw-Hill Higher Education
Any use is subject to the Terms of Use and Privacy Notice.
McGraw-Hill Higher Education is one of the many fine businesses of The McGraw-Hill Companies.


Biology (Connect Demo CompanioOnline Learning Center

Home > Chapter 7 > Post-Test