10 Jun What is produced from the third stage of cellular
Question
1: What is produced from the third stage of cellular respiration, the electron transport chain?
A: NADH and water
B: Water and ATP
C: Pyruvate and ATP
D: Carbon dioxide and NADH
2: What stage of cellular respiration does not involve any carbon-based compounds as a reactant or product?
A: Electron transport chain
B: Krebs cycle
C:Glycolysis
D:Fermentation
3: What is produced when a yeast cell undergoes fermentation?
A: Ethyl alcohol
B: Pyruvate
C: Oxygen gas
D: Lactic acid
4: What stage of cellular respiration is anaerobic?
A: Glycolysis
B: Calvin cycle
C: Electron transport chain
D: Krebs cycle
5: In cellular respiration, stored chemical energy in
A: ATP and NADH is converted to carbohydrate molecules
B: ATP molecules are used to build NADH molecule
C: organic molecules is converted to ATP molecules
D: food is used to make organic molecules like glucose
6: What substances are used up as the reactants in cellular respiration?
A: O2 and H2O
B: O2 and C6H12O6
C: CO2 and C6H12O6
D: CO2 and H2O
7: What happens during the Krebs cycle?
A: ATP and NADH from food are converted to CO2 and O2.
B: NADH from glycolysis is converted to ATP and O2 molecules.
C: Glucose is broken down in a cycle of reactions to form pyruvate.
D: Pyruvate is broken down in a series of reactions to form CO2.
8: Where does glycolysis occur?
A: Cytoplasm
B: Mitochondrion
C: Nucleus
D:Cell membrane
9: During fermentation, the conversion of pyruvate into lactic acid requires
A: NADH
B: carbon dioxide
C: ATP
D: oxygen gas
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