Cellular Respiration and Fermentation

Which of the following types of organisms uses cellular respiration for their cellular energy needs?

• Eukaryotes (all)
• Plants only
• Animals only
• prokaryotes

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NGSS.HS-LS1-7

NGSS.HS-LS2-3

Which process breaks down sugars to make ATP when oxygen is present?

• anaerobic respiration
• cellular respiration
• glycolysis
• photosynthesis

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NGSS.HS-LS1-7

NGSS.HS-LS2-3

The part of cellular respiration in which GLUCOSE is broken down is called

• photosynthesis
• aerobic respiration
• electron transport
• glycolysis

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NGSS.HS-LS1-7

Two products of the Krebs Cycle are

• H2O and CO2
• ATP and CO2
• ATP and O2
• ADP and H2O

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NGSS.HS-LS1-7

What are the names of the two energy-carrying molecules that provide hydrogen ions and electrons for the Electron Transport Chain?

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NGSS.HS-LS1-7

What is the main function of the Krebs cycle?

• Breaking down pyruvate molecules to form molecules of NADH and Oxygen
• Forming citric acid to make NADH2, water and CO2
• Producing molecules that carry high energy electrons and hydrogen to the electron transport chain
• Bonding coenzyme A to pyruvate

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NGSS.HS-LS1-7

In the electron transport chain, energy from the Krebs cycle is used to pump hydrogen ions

• across the inner mitochondrial membrane to establish a concentration gradient of H+ ions
• through the ATP synthase enzyme in the mitochondrial matrix
• along a concentration gradient in the thylakoid
• along the thylakoid membrane

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NGSS.HS-LS1-7

NGSS.HS-LS2-3

What is the function of oxygen in cellular respiration?

• To deliver hydrogen ions to the electron transport chain
• To pick up electrons and hydrogen ions at the end of the electron transport chain
• to provide oxygen for the production of carbon dioxide
• to give a source of energy to the Krebs cycle

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NGSS.HS-LS1-7

NGSS.HS-LS2-3

Describe how photosynthesis and cellular respiration are compliments of one another.

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NGSS.HS-LS2-5

Which pair of molecules are broken down by the cell to release energy?

• ADP and glucose
• ATP and glucose
• ATP and carbon dioxide
• ADP and carbon dioxide

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NGSS.HS-LS1-7