Cellular respiration quiz tutor.com
During the process of cellular respiration, energy stored in glucose molecules is used to form (2 points) oxygen molecules NAD+ ATP carbohydrates
ATP (correct answer)
What substances are produced by cellular respiration? O2 and H2O CO2 and C6H12O6 O2 and C6H12O6 CO2 and H2O
CO2 and H2O(correct answer)
What is produced during the Krebs cycle? (2 points) CO2, ATP, NADH, and FADH2 Pyruvate, CO2, and ATP ATP, FADH2, and H2O H2O, ADP, and NADH
CO2, ATP, NADH, and FADH2(correct answer)
Where does glycolysis occur? (2 points) Cytoplasm Mitochondrion Nucleus Cell membrane
Cytoplasm(correct answer)
What process of cellular respiration occurs at the inner membrane of the mitochondrion? (2 points) Fermentation Glycolysis Krebs cycle Electron transport chain
Electron transport chain(correct answer)
What stage of cellular respiration does not involve any carbon-based compounds as a reactant or product? (2 points) Electron transport chain Krebs cycle Glycolysis Fermentation
Electron transport chain(correct answer)
What stage of cellular respiration produces the most ATP? (2 points) Electron transport chain Glycolysis Krebs cycle Fermentation
Electron transport chain(correct answer)
What stage of cellular respiration uses the high-energy electrons from NADH and FADH2to form ATP molecules? (2 points) Krebs cycle Electron transport chain Fermentation Glycolysis
Electron transport chain(correct answer)
What is produced when a yeast cell undergoes fermentation? (2 points) Ethyl alcohol Pyruvate Oxygen gas Lactic acid
Ethyl alcohol(correct answer)
What stage of cellular respiration is anaerobic? (2 points) Glycolysis Calvin cycle Electron transport chain Krebs cycle
Glycolysis(correct answer)
What stage of cellular respiration produces pyruvate as a product? (2 points) Glycolysis Electron transport chain Krebs cycle Fermentation
Glycolysis(correct answer)
What stage of cellular respiration occurs after the formation of acetyl-CoA? (2 points) Electron transport chain Fermentation Glycolysis Krebs cycle
Krebs cycle(correct answer)
Where does the Krebs cycle occur? (2 points) Cytoplasm Mitochondrion Cell membrane Nucleus
Mitochondrion(correct answer)
Which of the following serves as an electron carrier in cellular respiration? (2 points) ADP Acetyl-CoA NAD+ H2O
NAD+(correct answer)
During fermentation, the conversion of pyruvate into lactic acid requires (2 points) NADH carbon dioxide ATP oxygen gas
NADH(correct answer)
What substances are used up as the reactants in cellular respiration? (2 points) O2 and H2O O2 and C6H12O6 CO2 and C6H12O6 CO2 and H2O
O2 and C6H12O6(correct answer)
Which of the following is a necessary reactant for cellular respiration to occur? (2 points) Carbon dioxide Nitrogen Oxygen Water
Oxygen
What happens during the Krebs cycle? (2 points) ATP and NADH from food are converted to CO2 and O2. NADH from glycolysis is converted to ATP and O2 molecules. Glucose is broken down in a cycle of reactions to form pyruvate. Pyruvate is broken down in a series of reactions to form CO2
Pyruvate is broken down in a series of reactions to form CO2.(correct answer)
What is produced from the third stage of cellular respiration, the electron transport chain? (2 points) NADH and water Water and ATP Pyruvate and ATP Carbon dioxide and NADH
Water and ATP(correct answer)
When pyruvate molecules enter the mitochondrion during cellular respiration, they react to form (2 points) ethyl alcohol and ATP acetyl-CoA and carbon dioxide glucose and carbon dioxide lactic acid and NAD+
acetyl-CoA and carbon dioxide(correct answer)
Cellular respiration and fermentation both (2 points) begin with the breakdown of glucose in glycolysis produce the same number of ATP molecules only occur in animal cells require oxygen molecules as a reactant
begin with the breakdown of glucose in glycolysis(correct answer)
Alcoholic fermentation (2 points) 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
forms fewer ATP molecules than cellular respiration(correct answer)
In cellular respiration, energy is converted from (2 points) glucose to sugar NADH to sugar glucose to ATP ATP to NADH
glucose to ATP(correct answer)
Lactic acid fermentation occurs in (2 points) any environment where oxygen is present yeast cells the mitochondria of plant cells muscle cells
muscle cells(correct answer)
In cellular respiration, stored chemical energy in (2 points) ATP and NADH is converted to carbohydrate molecules ATP molecules is used to build NADH molecule organic molecules is converted to ATP molecules food is used to make organic molecules like glucose
organic molecules is converted to ATP molecules(correct answer)
In the Krebs cycle, (2 points) 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
pyruvate is broken down into CO2 molecules(correct answer)
The third stage of cellular respiration is (2 points) the Krebs cycle the electron transport chain fermentation glycolysis
the electron transport chain(correct answer)
