AP Biology Photosynthesis and Cellular Respiration

How is cellular respiration related to photosynthesis?

• Both require oxygen to start
• respiration is the opposite of photosynthesis
• Both start with glycolysis
• Both end with 38 ATP for cells

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Which of the following statements are false?

• Glycolysis can occur with or without oxygen
• Glycolysis is the first step in both anaerobic and aerobic respiration
• Glycolysis occurs in the mitochondria
• Glycolysis produces 2 ATP, 2 Pyruvates, and 2 NADH

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What are the products (things that are made) in cellular respiration

• ATP
• Carbon dioxide (CO2)
• Water
• All of the above

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Glucose is broken down into pyruvate in a process known as 

• glycolysis
• electron transport
• the Krebs cycle
• phosphorylation

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What is the correct equation for cellular respiration?

• 6O₂ + C₆H₁₂O₆ -> 6CO₂ + 6H₂O + Energy
• 6O₂ + C₆H₁₂O₆ + Energy -> 6CO₂ + 6H₂O
• 6CO₂ + 6H₂O -> 6O₂ + C₆H₁₂O₆ + Energy
• 6CO₂ + 6H₂O + Energy -> 6O₂ + C₆H₁₂O₆

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What is cellular respiration?

• the breakdown of glucose  to release ATP
• the breakdown of glucose to release NADH
• the breakdown of glucose to release FADH
• the breakdown of glucose to release carbon

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Which of these molecules is released during the Kreb's cycle

• nitrogen
• oxygen
• hydrogen sulfide
• Carbon Dioxide (CO2)

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What is the main job of the electron carriers in cellular respiration? 

• Transport electrons and hydrogen atoms to the electron transport chain 
• Capture energy throughout the process of cellular respiration
• Provide the reactants for the process of cellular respiration
• Pump positive hydrogen ions and shuttle electrons across the electron transport chain and contribute to chemiosmosis

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Which molecule enters Kreb's Cycle?

• CO₂

• Glucose

• Acetyl CoA

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What enzyme in the ETC is responsible for generating the ATP molecules?

• ATPase
• ATP synthase
• Hexokinase
• none of the above

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