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Cellular Energy ~ AP Biology Flashcards | StudBud
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Cellular Energy ~ AP Biology
Cellular Energy ~ AP Biology
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test your knowledge on cellular energy
Flashcards
23 cards
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Questions
23
Answers
1
During aerobic respiration, H
2
O is formed. Where does the 0
2
atom for the formation of H
2
0 stem
carbon dioxide
glucose
pyruvate
Molecular oxygen
2
What is an enzyme in glycolysis that serves as a control point?
Phosphofructokinase
Hexokinase
Phosphoglucose
Pyruvate
3
Where does the citric acid cycle take place?
Matrix of the mitochondria
Rough ER
Golgi Apparatus
Cytoplasm
4
Light + 6CO
2
+6H
2
O ---> C
6
H
12
O
6.
What does this equation go with?
Glycolysis
Respiration
Calvin Cycle
Photosynthesis
5
During aerobic respiration, electrons travel downhill in which sequence?
food --> glycolysis --> citric acid cycle --> NADH --> ATP
glucose --> pyruvate --> ATP --> oxygen
glucose --> ATP --> ETC --> NADH
glucose --> NADH --> ETC --> oxygen
6
One function of both alcohol fermentation and lactic acid fermentation is to...
Reduce FADH2 to FAD+
reduce NAD+ to NADH
oxidize NADH to NAD+
reduce FAD+ to FADH2
7
Most of the CO
2
from the catabolism of glucose is released during...
electron transport
chemiosmosis
glycolysis
the citric acid cycle
8
Substrate-level phosphorylation occurs
both A & B
in glycolysis
during oxidative phosphorylation
in the citric acid cycle
9
The oxygen consumed during cellular respiration is involved directly in which process or event?
accepting electrons at the end of the ETC
the oxidation of pyruvate to acetyl CoA
the citric acid cycle
glycolysis
10
How much ATP does aerobic respiration produce?
32-38 ATP
20 ATP
2 ATP
15 ATP
11
Which of the following occurs in the cytosol of a eukaryotic cell?
oxidation of pyruvate to acetyl CoA
fermentation and chemiosmosis
citric acid cycle
glycolysis and fermentation
12
C
6
H
12
O
6
+6O
2
---> 6CO
2
+6H
2
O+ATP. What is this equation for?
The Calvin Cycle
Glycolysis
Photosynthesis
Respiration
13
During respiration, the reactants of photosynthesis are changed into what?
C6H12O6 and O2
C6H12O2 and H2O
H2O, CO2, and energy
Energy and O2
14
Cellular respiration takes place in what cell type?
Animal Cells
Both plant and animal cells
All cells but plant cells
Plant Cells
15
Losing electrons is called ________, while gaining electrons is called________.
reduced, oxidized
oxidized, reduced
16
A partial degradation of sugars or other organic fuel that occurs without the use of oxygen
Photosynthesis
Fermentation
Cellular Respiration
Aerobic Respiration
17
The electron transport chain...
is a series of substitution reactions
takes place in the cytoplasm of prokaryotic cell
is driven by ATP consumption
is a series of redox reactions
18
What does glycolysis produce?
2 NADH & 1 ATP
4 ATP & 2 NADH
4 NADH
2 ATP
19
What is one of the reactants for cellular respiration?
Carbon Dioxide
Water
Energy
Glucose
20
Which of the following normally occurs regardless of the presence of O
2
?
citric acid cycle
glycolysis
oxidative phosphorylation
fermentation
21
Where are the proteins of the ETC located?
mitochondrial matrix
mitochondrial intermembrane space
mitochondrial inner membrane
mitochondrial outer membrane
22
The primary role of oxygen in cellular respiration is to....
act as an acceptor for electrons and hydrogen, forming water
yield energy in the form of ATP as it is passed
combine with carbon, forming CO2
combine with lactate, forming pyruvate
23
CO
2
is released during which of the following stages of cellular respiration?
gylcolysis and the oxidation of pyruvate to acetyl CoA
oxidation of pyruvate to acetyl CoA & the citric acid cycle
oxidative phosphorylation and fermentation
fermentation and glycolysis
