Cellular Respiration

How do organism get the energy they need?

• by burning food molecules and releasing energy as heat
• by breathing oxygen into the lungs and combining it with CO2
• by breaking down food molecules gradually and capturing their chemical energy
• by using the sun's energy to break down food molecules and form chemicals

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Which is NOT a stage of cellular respiration?

• fermentation
• ETC
• Glycolysis
• Krebs cycle

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Choose the correct sequence of events in cellular respiration

• glycolysis--> fermentation --> Krebs cycle
• Krebs --> ETC --> glycolysis
• glycolysis --> Krebs cycle --> ETC
• Krebs cycle --> glycolysis --> ETC

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Cellular respiration releases energy by breaking down

• food molecules
• ATP
• carbon dioxide
• water

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What are the reactants in the equation for cellular respiration?

• oxygen and lactic acid
• carbon dioxide and water
• glucose and oxygen
• water and glucose

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Which of these is not a product of cellular respiration?

• oxygen
• water
• glucose
• lactic acid

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Cellular respiration is called an aerobic process because it requires

• light
• excercise
• oxygen
• glucose

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Which organism is NOT likely to carry out cellular respiration?

• plant
• fungus
• anaerobic bacteria
• dog

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Which process does NOT release energy from glucose?

• glycolysis
• photosynthesis
• fermentation
• cellular respiration

Photosynthesis is to chloroplasts as cellular respiration is to...

• mitochondria
• cytoplasm
• chloroplasts
• nuclei

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