Biology 101 - General Biology » Spring 2022 » Module 2 Quiz 2

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Question #1
When an electron is transferred to a more electronegative atom, ___________________.
A.   it makes ATP
B.   it oxidizes the more electronegative atom
C.   it gains energy
D.   it releases energy
Question #2
Which process in cellular respiration uses oxygen?
A.   accepting electrons at the end of the electron transport chain
B.   the citric acid cycle
C.   the phosphorylation of ADP to form ATP
D.   glycolysis
Question #3
The end products of glycolysis are ATP, __________________________.
A.   CO2, and H2O
B.   NADH, and pyruvate
C.   CO2, and NADH
D.   CO2, and pyruvate
Question #4
In eukaryotic cells, ___________________ happens whether oxygen (O2) is present or absent.
A.   electron transport
B.   chemiosmosis
C.   the citric acid cycle
D.   glycolysis
Question #5
The process of glycolysis breaks one 6-carbon glucose molecule into two 3-carbon ______________ molecules.
A.   NADH
B.   ATP
C.   pyruvate
D.   CO2
Question #6
From one molecule of glucose, how many ATP molecules are produced during the citric acid cycle?
A.   2
B.   28
C.   1
D.   30
Question #7
During pyruvate oxidation and the citric acid cycle, how many molecules of CO2 are produced by processing one molecule of glucose?
A.   3
B.   4
C.   6
D.   2
Question #8
When CO2 is removed from a molecule of pyruvate, _________________ is produced.
A.   oxaloacetate
B.   citrate
C.   acetyl CoA
D.   FADH2
Question #9
In the mitochondria, where is the enzyme ATP synthase located?
A.   outer membrane
B.   electron transport chain
C.   mitochondrial matrix
D.   inner membrane
Question #10
Where are the proteins of the electron transport chain located?
A.   inner mitochondrial membrane
B.   mitochondrial matrix
C.   outer mitochondrial membrane
D.   mitochondrial intermembrane space
Question #11
Which process produces the most ATP when glucose is oxidized to carbon dioxide and water?
A.   the electron transport chain and chemiosmosis
B.   glycolysis
C.   pyruvate oxidation and the citric acid cycle
D.   fermentation
Question #12
Which of the following occur(s) in mitochondria?
A.   glycolysis and fermentation
B.   glycolysis and oxidation of pyruvate to acetyl CoA
C.   oxidation of pyruvate to acetyl CoA and the citric acid cycle
D.   fermentation and chemiosmosis
E.   fermentation and oxidative phosphorylation
Question #13
Which metabolic pathway is common to both cellular respiration and fermentation?
A.   the oxidation of pyruvate to acetyl CoA
B.   chemiosmosis
C.   glycolysis
D.   the citric acid cycle
E.   oxidative phosphorylation
Question #14
The ATP made during fermentation is generated by which of the following?
A.   aerobic respiration
B.   oxidative phosphorylation
C.   chemiosmosis
D.   the electron transport chain
E.   substrate-level phosphorylation
Question #15
Which products of the light reactions are used in the Calvin cycle?
A.   H2O and O2
B.   CO2 and glucose
C.   ADP, ℗i, and NADP+
D.   ATP and NADPH
Question #16
Where does the Calvin cycle take place?
A.   stroma of the chloroplast
B.   outer membrane of the chloroplast
C.   thylakoid membrane
D.   interior of the thylakoid (thylakoid space)
Question #17
Which wavelength (color) of light has the most energy?
A.   400 nm (purple)
B.   600 nm (yellow)
C.   550 nm (green)
D.   700 nm (red)
Question #18
In the chloroplast, electron transport happens in the _______________________.
A.   chloroplast inner membrane
B.   thylakoid membrane
C.   chloroplast stroma
D.   outer chloroplast membrane
Question #19
Which molecules are produced in the light reactions and used in the Calvin cycle?
A.   Oxygen and glucose
B.   CO2 and ATP
C.   Oxygen and ATP
D.   ATP and NADPH
Question #20
Reactions that use CO2 take place in ____________________.
A.   the Calvin cycle only
B.   the citric acid cycle only
C.   the light reactions only
D.   both the light reactions and the Calvin cycle

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