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WorksheetsAdvBio Ch 7: How Cells Obtain Energy
Total questions: 22
Worksheet time: 11mins
Name
Class
Date
1.
What happens when ATP accumulates in a cell?
a)
the rate of cellular respiration does not change
b)
feedback inhibition slows down cellular respiration
c)
feedback inhibition speeds up cellular respiration
d)
the cell receives a signal that there is a need for more ATP
2.
Glycolysis results in a net gain of how many ATP?
a)
0
b)
2
c)
4
d)
1
3.
In fermentation
a)
NADH is reduced
b)
NADH is oxidized
c)
NAD+ is oxidized
d)
ethanol is oxidized
4.
Which of the following will yield the most ATP when consumed?
a)
fat
b)
protein
c)
glucose
d)
starch
5.
True or False: the inner mitochondrial membrane plays a role in the production of pyruvate
a)
True
b)
False
6.
Which of the following is not an end product of the Kreb's cycle?
a)
FADH2
b)
CO2
c)
pyruvate
d)
ATP
7.
What process is found in both aerobic and anaerobic metabolism?
a)
the Kreb's cycle
b)
oxidative phosphorylation
c)
the citric acid cycle
d)
glycolysis
8.
At the end of the Kreb's cycle, where is most of the energy from the original glucose stored?
a)
in CO2
b)
in ATP
c)
in NADH
d)
in pyruvate
9.
True or False: The Kreb's cycle is the same thing as the citric acid cycle
a)
True
b)
False
10.
The overall equation for cellular respiration is:
a)
C6H12O6 + energy -> 6CO2 + 6H2O + energy
b)
CH2O + O2 -> CO2 + 6H2O + energy
c)
C6H12O6 + 6O2 -> 6CO2 + 6H2O + energy
d)
C6H12O6 + 6CO2 -> 6O2 + 6H2O + energy
11.
What are the byproducts of cellular respiration?
a)
NADH and ATP
b)
oxygen and heat
c)
FADH2 and NADH
d)
CO2 and H2O
12.
Which step of cellular respiration makes the most ATP?
a)
Glycolysis
b)
Krebs Cycle
c)
Electron Transport Chain
d)
Light Dependent Reactions
13.
The electron transport chain uses the high-energy electrons from the Krebs cycle to
a)
produce glucose
b)
move H+ ions across the inner mitochondrial membrane
c)
convert acetyl-CoA to citric acid
d)
convert glucose to pyruvic acid
14.
When respiration occurs with oxygen, it is called _______
a)
anaerobic
b)
aerobic
c)
light-dependent
d)
fermentation
15.
During which step of cellular respiration is the majority of the ATP created?
a)
fermentatio
b)
glycolysis
c)
Krebs Cycle
d)
ETC
16.
Which reactant is used as the final electron acceptor in cellular respiration?
a)
water
b)
carbon dioxide
c)
oxygen
d)
glucose
17.
ATP has ______ phosphates attached to it
a)
4
b)
2
c)
3
d)
1
18.
ADP has how many phosphates attached to it?
a)
2
b)
1
c)
4
d)
3
19.
When ATP releases a phosphate group, what occurs?
a)
energy is stored
b)
energy is both released and then stored
c)
energy is formed
d)
energy is released
20.
An organism that makes their own food is called a
a)
heterotroph
b)
autotroph
c)
cook
d)
automorph
21.
Alcoholic fermentaion is used by____
a)
bacteria
b)
fungi
c)
yeast
d)
all of these choices
22.
Lactic acid fermentation is used by___
a)
bacteria
b)
animals
c)
yeast
d)
all of these choices
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