Question 1
Question
What is the name of the molecule complex that escorts the acetyl group into Kreb's cycle?
Answer
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oxidase
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Co-enzyme B
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Co-enzyme A
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anti-oxidant
Question 2
Question
According to your book, the two main types of fermentation are called
Question 3
Question
During one turn, the Krebs cycle produces
Answer
-
glucose
-
oxygen
-
electron carriers
-
lactic acid
Question 4
Question
The conversion of pyruvic acid into lactic acid requires
Question 5
Question
Cellular respiration is called an aerobic process because it requires
Answer
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glucose
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oxygen
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exercise
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light
Question 6
Question
Unlike photosynthesis, cellular respiration occurs in
Answer
-
all but plant cells
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plant cells only
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animal cells only
-
all eukaryotic cells
Question 7
Question
Which process is used to produce beer and wine?
Answer
-
alcoholic fermentation
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the Krebs cycle
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glycolysis
-
lactic acid fermentation
Question 8
Question
What is the weak electron carrier that enters Kreb's cycle after ATP is produced?
Question 9
Question
All of the following are sources of energy during exercise EXCEPT
Answer
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alcoholic fermentation
-
lactic acid fermentation
-
cellular respiration
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stored ATP
Question 10
Question
The primary electron carrier produced after reduction occurs in glycolysis AND Kreb's cycle is called
Answer
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NADPH
-
FADH
-
NAD+
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None of the above
Question 11
Question
According to your reading, when the body needs to exercise for longer than 90 seconds, it must generate ATP mainly by carrying out
Answer
-
cellular respiration
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glycolysis
-
lactic acid fermentation
-
alcoholic fermentation
Question 12
Question
At the end of cellular respiration, what happens to the oxygen?
Answer
-
becomes water
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becomes glucose
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becomes CO2
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becomes electrons
Question 13
Question
Glycolysis provides a cell with a net gain of
Answer
-
18 ATP molecules
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36 ATP molecules
-
4 ATP molecules
-
2 ATP molecules
Question 14
Question
What are the reactants in the equation for cellular respiration?
Answer
-
oxygen and lactic acid
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glucose and oxygen
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water and glucose
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carbon dioxide and water
Question 15
Question
Photosynthesis is to chloroplasts as cellular respiration is to
Answer
-
mitochondria
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chloroplasts
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cytoplasm
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nucleus
Question 16
Question
Cellular respiration releases energy by breaking down
Answer
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food molecules
-
water
-
ATP
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carbon dioxide
Question 17
Question
The products of photosynthesis are
Answer
-
reactants of cellular respiration
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reactants of fermentation
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products of glycolysis
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products of cellular respiration
Question 18
Question
Which of the following is NOT a stage of cellular respiration
Answer
-
electron transport
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glycolysis
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fermentation
-
Krebs cycle
Question 19
Question
Which of these is a product of cellular respiration
Answer
-
water
-
oxygen
-
glucose
-
all of the above
Question 20
Question
Oxygen is MOST important to cellular respiration because...
Answer
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it keeps plants healthy
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it pulls electrons off NADH and down ETC
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it charges the photosystems
-
it is needed to make water
Question 21
Question
Which of the following passes high-energy electrons into the electron transport chain?
Answer
-
citric acid
-
NADH AND FADH2
-
ATP and ADP
-
acetyl-CoA
Question 22
Question
Another name for the Krebs cycle is the ______ cycle.
Answer
-
acetic acid
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malic acid
-
citric acid
-
formic acid
Question 23
Question
Which of these processes takes place in the cytoplasm's fluid inside of a cell?
Answer
-
electron transport
-
glycolysis
-
Krebs cycle
-
all of the above
Question 24
Question
The starting molecule for the Krebs cycle is
Answer
-
NADH
-
pyruvic acid
-
coenzyme A
-
glucose
Question 25
Question
The Krebs cycle occurs in the part of the mitochondria called the
Answer
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matrix
-
stroma
-
mitoplasm
-
cytoplasm
Question 26
Question
The starting molecule for glycolysis is
Answer
-
ADP
-
citric acid
-
glucose
-
pyruvic acid
Question 27
Question
Most of the ATP made in cellular respiration are produced in
Answer
-
fermentation
-
glycolysis
-
Kreb's cycle
-
ATP Synthase
Question 28
Question
Which process does NOT release energy from glucose?
Answer
-
glycolysis
-
cellular respiration
-
photosynthesis
-
fermentation
Question 29
Question
Cellular respiration uses one molecule of glucose to produce
Answer
-
34 ATP molecules
-
2 ATP molecules
-
36 ATP molecules
-
38 ATP molecules
Question 30
Question
Which organism is not likely to carry out cellular respiration?
Answer
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anaerobic bacterium
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tree
-
mushroom
-
tiger
Question 31
Question
In the presence of oxygen, glycolysis is followed by
Answer
-
Krebs cycle
-
lactic acid fermentation
-
alcoholic fermentation
-
photosynthesis
Question 32
Question
The energy of the electrons passing along the ETC is used to make
Answer
-
ATP
-
lactic acid
-
citric acid
-
alcohol
Question 33
Question
Which of the following is the most direct cause of most ATP production in cellular respiration
Question 34
Question
Breathing heavily after running a race is your body's way of
Question 35
Question
Unlike photosynthesis, cellular respiration occurs in
Answer
-
all but plant cells
-
plant cells only
-
animal cells only
-
all eukaryotic cells