3316306
Frage 1
Frage
1000 Calories make up 1 calorie.
Antworten
- True
- False
Frage 2
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Cellular respiration starts with a pathway called [blank_start]glycolysis[blank_end].
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glycolysis
Frage 3
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The carriers for energy and high energy electrons during GLYCOLYSIS are
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ATP
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NADH
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FADH2
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NADPH
Frage 4
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If oxygen is NOT present, glycolysis is followed by
Antworten
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Krebs cycle
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Electron transport chain
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Fermentation
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Aerobic respiration
Frage 5
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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]
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-
glucose
Frage 6
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The 3-carbon molecule produced when glucose is broken in half during glycolysis is called
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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
Frage 7
Frage
Glycolysis results in the net gain of 4 electrons.
Antworten
- True
- False
Frage 8
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What role does O2 play in aerobic respiration?
Antworten
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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
Frage 9
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NADH is produced during
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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
Frage 10
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What substance is regenerated by fermentation?
Antworten
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O2
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NAD+
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acetyl-CoA
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ATP
Frage 11
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Which of the following are produced during the Krebs Cycle? (Check ALL that apply)
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ATP
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NADH
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FADH2
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CO2
Frage 12
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Which stage of cell respiration produces the most ATP?
Antworten
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glycolysis
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Krebs cycle
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electron transport chain
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fermentation
Frage 13
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Which of the following happens as electrons pass down the Electron Transport Chain? (Check ALL that apply)
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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
Frage 14
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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]
Antworten
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Alcohlic fermentation
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Lactic acid fermentation
Frage 15
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A net [blank_start]36[blank_end] ATP molecules are formed during cellular respiration.
Antworten
-
32
-
34
-
36
-
38
Frage 16
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Name the ? molecule that joins in this reaction to make Acetyl-CoA.
Antworten
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ATP
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NADP+
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Coenzyme A
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Citric acid
Frage 17
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If oxygen is present, what will happen to the NADH produced in this reaction?
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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
Frage 18
Frage
What is the 6-carbon molecule that form when acetyl-CoA joins its 2 carbons to a 4-carbon molecule during the Krebs Cycle?
Antworten
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ATP
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Pyruvic acid
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Glucose
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Citric Acid
Frage 19
Antworten
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A
-
B
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C
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D
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E
Frage 20
Frage
Which of the following are true about label C in the diagram? (Check ALL that apply)
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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
Frage 21
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In which order do the stages of aerobic cellular respiration occur?
Antworten
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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.
Frage 22
Frage
This diagram is of a mitochondrion. Select the correct labels from the following.
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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
Frage 23
Frage
[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.
Antworten
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Photosynthesis
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Cellular respiration
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cellular respiration
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photosynthesis
Frage 24
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Which of the following is NOT a stage of cellular respiration?
Antworten
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Fermentation
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Electron transport
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Glycolysis
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Krebs cycle
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