Unit 5: Cellular Energetics Exam Review

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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NGSS.HS-LS1-7

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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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NGSS.HS-LS2-3

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Which molecule enters Kreb's Cycle?

• Pyruvate
• Glucose
• Acetyl CoA
• reducing powers

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Where is the electron transport chain located in cellular respiration?

• Mitochondrial matrix
• Outer mitochondrial membrane
• Inner mitochondrial membrane
• Cytosol

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NGSS.HS-LS1-7

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Name the 3 carbon molecule produced when glucose is broken in half during glycolysis.

• lactic acid
• pyruvic acid
• acetly-coA
• citric acid

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NGSS.HS-LS2-3

Where does glycolysis occur?

• Inner mitochondrial membrane
• Mitochondrial Matrix
• Cytosol
• At a ribosome

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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NGSS.HS-LS1-7

Which of the following are products of the light reactions of photosynthesis that are utilized in the Calvin cycle?

• CO2 and glucose
• H2O and O2
• electrons and H+
• ATP and NADPH

What is the primary function of the Calvin cycle?

• regenerate ATP for use in the light reactions of photosynthesis
• produce carbon dioxide for use in the light reactions of photosynthesis
• produce oxygen by oxidizing water
• produce simple sugars from carbon dioxide

The light reaction occurs in the ________ and the Calvin Cycle (light-independent) take place in the ________.

• Chloroplast / thylakoid membrane

• stroma / thylakoid

• mesophyl / stomata

• thylakoid / stroma

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NGSS.HS-LS1-5