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SupremeNerdx
06.11.2019 •
Chemistry
Answer key
question 1 (worth 2 points)
alcoholic fermentation
forms fewer atp molecules than cellular respiration
uses oxygen and atp molecules as reactants
occurs in the muscle cells of animals and humans
gives off carbon dioxide and nadh as products
points earned on this question: 0
question 2 (worth 2 points)
what substances are used up as the reactants in cellular respiration?
o2 and h2o
o2 and c6h12o6
co2 and c6h12o6
co2 and h2o
points earned on this question: 2
question 3 (worth 2 points)
what process must happen before this process depicted below?
two pyruvate molecules are converted to two lactic acid molecules. two nadh molecules are converted to two nad+ molecules in the process.
fermentation
cellular respiration
krebs cycle
glycolysis
points earned on this question: 0
question 4 (worth 2 points)
in the krebs cycle,
pyruvate is broken down into co2 molecules
glucose is broken down into nadh and co2
co2 is converted into pyruvate and o2
nadh and co2 are converted into atp
points earned on this question: 2
question 5 (worth 2 points)
during the process of cellular respiration, energy stored in glucose molecules is used to form
oxygen molecules
nad+
atp
carbohydrates
points earned on this question: 2
question 6 (worth 2 points)
where does the krebs cycle occur?
cytoplasm
mitochondrion
cell membrane
nucleus
points earned on this question: 2
question 7 (worth 2 points)
what stage of cellular respiration produces pyruvate as a product?
glycolysis
electron transport chain
krebs cycle
fermentation
points earned on this question: 2
question 8 (worth 2 points)
what stage of cellular respiration does not involve any carbon-based compounds as a reactant or product?
electron transport chain
krebs cycle
glycolysis
fermentation
points earned on this question: 2
question 9 (worth 2 points)
what is produced from the third stage of cellular respiration, the electron transport chain?
nadh and water
water and atp
pyruvate and atp
carbon dioxide and nadh
points earned on this question: 2
question 10 (worth 2 points)
what stage of respiration immediately follows the process depicted below?
two pyruvate molecules undergo a chemical reaction, combining with coenzyme a to form two acetyl-coa molecules. two carbon dioxide molecules and two nadh molecules are formed as a result of this process.
electron transport chain
glycolysis
fermentation
krebs cycle
points earned on this question: 2
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Ответ:
uses oxygen and ATP molecules as reactants
What substances are used up as the reactants in cellular respiration?
O2 and C6H12O6
What process must happen before this process depicted below?
Two pyruvate molecules are converted to two lactic acid molecules. Two NADH molecules are converted to two NAD+ molecules in the process.
Glycolysis
In the Krebs cycle,
NADH and CO2 are converted into ATP
During the process of cellular respiration, energy stored in glucose molecules is used to form
ATP
Where does the Krebs cycle occur?
Mitochondrion
What stage of cellular respiration produces pyruvate as a product?
Glycolysis
What stage of cellular respiration does not involve any carbon-based compounds as a reactant or product?
Electron transport chain
What is produced from the third stage of cellular respiration, the electron transport chain?
Water and ATP
What stage of respiration immediately follows the process depicted below?
Two pyruvate molecules undergo a chemical reaction, combining with coenzyme A to form two acetyl-CoA molecules. Two carbon dioxide molecules and two NADH molecules are formed as a result of this process.
Krebs cycle
Ответ: