Cellular Energetics

How is cellular respiration related to photosynthesis?

• Both require oxygen to start
• cellular respiration is basically the opposite of photosynthesis

• Both start with glycolysis
• Both end with 38 ATP for cells

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NGSS.HS-LS1-7

NGSS.HS-LS2-5

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-LS1-7

Which molecule enters the Kreb's Cycle?

• Pyruvate

• Glucose

• Acetyl CoA

• reducing powers

Where does the electron transport chain (ETC) occur during cellular respiration?

• Mitochondrial matrix

• Outer mitochondrial membrane

• Inner mitochondrial membrane

• Cytosol

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NGSS.HS-LS1-7

NGSS.HS-LS2-5

site of the krebs cycle

• 1
• 2
• 3
• 4

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NGSS.HS-LS1-7

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

NGSS.HS-LS2-5

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

NGSS.HS-LS2-3

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

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

Where does a plant absorb the water that it uses during photosynthesis?

• Leaves
• Stem
• Roots
• Petals

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NGSS.MS-LS1-6