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

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