Bio U9: Cellular Respiration
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Cellular Respiration basics + Fermentation
Last updated 12:38 AM on 4/23/23
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26 Terms
1
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What is the equation for cellular respiration?
**C6H12O6 + 6O2 → 6CO2 + 6H2O**
2
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What does **C6H12O6 + 6O2 → 6CO2 + 6H2O** translate to? (What does it represent?)
Glucose + Oxygen → Carbon Dioxide + Water + ATP
3
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What is the first step of cellular respiration?
glycolysis
4
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Where does glycolysis take place in the cell?
cytoplasm
5
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What happens in glycolysis?
hint: glucose is broken down into two _____ molecules and two _____ molecules
hint: glucose is broken down into two _____ molecules and two _____ molecules
glucose is broken down into two molecules of pyruvic acid and two NADH molecules
6
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What is the second step of cellular respiration?
Krebs cycle
7
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Where does the Krebs cycle take place?
mitochondria
8
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In the Krebs cycle, all living things
produce energy in (aerobic/anaerobic) respiration?
produce energy in (aerobic/anaerobic) respiration?
aerobic
9
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The Krebs cycle uses ____ and turns it into ____ and _____.
oxygen, water, carbon dioxide
10
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How many ATP does glycolysis produce?
2
11
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How many ATP does the Krebs cycle produce?
2
12
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What is the third step of cellular respiration?
ETC (Electron Transport Chain)
13
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Where does ETC take place?
in the membrane of the mitochondria
14
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How many ATP are produced through ETC?
32
15
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In ETC, electrons travel across the _______, which allows ADP to gain a phosphorus and become ATP.
electrochemical gradient
16
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How many total ATP are produced from cellular respiration?
36
17
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What is the purpose of cellular respiration?
to make ATP
18
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What organic molecule is broken down in cellular respiration?
glucose
19
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What is making ATP without oxygen called?
fermentation
20
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which is more efficient, cellular respiration or fermentation?
cellular respiration
21
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Does fermentation use the citric acid (Krebs) cycle?
no, because the citric acid cycle needs oxygen
22
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What are the two types of fermentation?
Alcohol fermentation and Lactic Acid fermentation
23
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What is the final product of alcohol fermentation?
2 ethanol
24
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Which type of fermentation decarboxylates?
alcohol fermentation
25
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What is the final product of lactic acid fermentation?
2 lactate
26
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ToF: carbon dioxide is released in the lactic acid fermentation process.
false
Note 
Flashcards (27)