Question 1
Question
1000 Calories make up 1 calorie.
Question 2
Question
Cellular respiration starts with a pathway called [blank_start]glycolysis[blank_end].
Question 3
Question
The carriers for energy and high energy electrons during GLYCOLYSIS are
Question 4
Question
If oxygen is NOT present, glycolysis is followed by
Answer
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Krebs cycle
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Electron transport chain
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Fermentation
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Aerobic respiration
Question 5
Question
Fill in the chemical equation for cell respiration.
[blank_start]glucose[blank_end] + [blank_start]oxygen[blank_end] → [blank_start]carbon dioxide[blank_end] + [blank_start]water[blank_end] + [blank_start]energy[blank_end]
Question 6
Question
The 3-carbon molecule produced when glucose is broken in half during glycolysis is called
Answer
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lactic acid
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acetyl-CoA
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pyruvic acid (pyruvate)
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citric acid
Question 7
Question
Glycolysis results in the net gain of 4 electrons.
Question 8
Question
What role does O2 play in aerobic respiration?
Answer
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It combines with acetyl-CoA at the start of the Krebs cycle
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It combines with H2O to help drive the formation of ATP
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It is the final electron acceptor at the end of the electron transport chain
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It plays no role
Question 9
Question
NADH is produced during
Answer
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glycolysis
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oxidation of pyruvate
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the Krebs cycle
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all of the above
Question 10
Question
What substance is regenerated by fermentation?
Question 11
Question
Which of the following are produced during the Krebs Cycle? (Check ALL that apply)
Question 12
Question
Which stage of cell respiration produces the most ATP?
Answer
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glycolysis
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Krebs cycle
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electron transport chain
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fermentation
Question 13
Question
Which of the following happens as electrons pass down the Electron Transport Chain? (Check ALL that apply)
Answer
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Energy from the moving electrons transports H+ ions into the intermembrane space
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Carbon dioxide is released
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Energy from H+ ions crossing back into the matrix causes ATP synthase to make ATP
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Water is produced
Question 14
Question
Describe which type of fermentation takes place in the following examples.
a. Yeast use this to make bread dough rise. [blank_start]Alcohlic fermentation[blank_end]
b. Your muscles use this during rapid exercise when oxygen is low. [blank_start]Lactic acid fermentation[blank_end]
Answer
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Alcohlic fermentation
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Lactic acid fermentation
Question 15
Question
A net [blank_start]36[blank_end] ATP molecules are formed during cellular respiration.
Question 16
Question
Name the ? molecule that joins in this reaction to make Acetyl-CoA.
Answer
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ATP
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NADP+
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Coenzyme A
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Citric acid
Question 17
Question
If oxygen is present, what will happen to the NADH produced in this reaction?
Answer
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Its electrons will enter the electron transport chain
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It will donate its H+ ions to make glucose
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It will join with ATP to make citric acid
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It will join with oxygen to make CO2
Question 18
Question
What is the 6-carbon molecule that form when acetyl-CoA joins its 2 carbons to a 4-carbon molecule during the Krebs Cycle?
Answer
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ATP
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Pyruvic acid
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Glucose
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Citric Acid
Question 19
Question
Place where glycolysis happens.
Question 20
Question
Which of the following are true about label C in the diagram? (Check ALL that apply)
Answer
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Place where enzymes for the electron transport chain are located
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Place where ADP and P join to make ATP
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Place where oxygen joins as the final electron acceptor
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It is known as the matrix
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It is an inner membrane called cristae
Question 21
Question
In which order do the stages of aerobic cellular respiration occur?
Answer
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glycolysis, citric acid cycle, pyruvate oxidation, electron transport chain.
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citric acid cycle, glycolysis, electron transport chain, pyruvate oxidation.
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glycolysis, citric acid cycle, electron transport chain, pyruvate oxidation.
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glycolysis, pyruvate oxidation, citric acid cycle, electron transport chain.
Question 22
Question
This diagram is of a mitochondrion. Select the correct labels from the following.
Answer
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A: outer membrane, B: intermembrane space, C: crista, D: matrix
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A: outer membrane, B: crista, D: matrix, E: outer membrane
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A: intermembrane space, B: inner membrane, C: crista, D: matrix
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A: inner membrane, B: intermembrane space, D: matrix, E: outer membrane
Question 23
Question
[blank_start]Photosynthesis[blank_end] releases oxygen into the atmosphere, and [blank_start]cellular respiration[blank_end] uses the oxygen to
release energy from food.
Answer
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Photosynthesis
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Cellular respiration
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cellular respiration
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photosynthesis
Question 24
Question
Which of the following is NOT a stage of cellular respiration?
Answer
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Fermentation
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Electron transport
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Glycolysis
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Krebs cycle