AP Bio Ch 9

What is the term for metabolic pathways that release stored energy by breaking down complex molecules?

• fermentation pathways
• catabolic pathways
• bioenergetic pathways
• anabolic pathways

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NGSS.HS-LS1-7

Where does glycolysis take place in eukaryotic cells?

• cytosol
• mitochondrial inner membrane
• mitochondrial matrix
• mitochondrial intermembrane space

In addition to ATP, what are the end products of glycolysis?

• CO₂ and H₂O
• CO₂ and NADH
• CO₂ and pyruvate
• NADH and pyruvate

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NGSS.HS-LS1-7

In glycolysis, for each molecule of glucose oxidized to pyruvate

• two molecules of ATP are used and six molecules of ATP are produced.
• two molecules of ATP are used and four molecules of ATP are produced.
• two molecules of ATP are used and two molecules of ATP are produced.
• six molecules of ATP are used and six molecules of ATP are produced.

Which of the following intermediary metabolites enters the citric acid cycle and is formed, in part, by the removal of a carbon (CO2) from one molecule of pyruvate?

• lactate
• oxaloacetate
• glyceraldehydes–3–phosphate
• acetyl CoA

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NGSS.HS-LS2-3

Where do the catabolic products of fatty acid breakdown enter into the citric acid cycle?

• α–ketoglutarate
• pyruvate
• succinyl CoA
• acetyl CoA

When a molecule of NAD+ (nicotinamide adenine dinucleotide) gains a hydrogen atom (not a proton), the molecule becomes

• oxidized
• dehydrogenated.
• hydrolyzed
• reduced

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NGSS.HS-LS1-7

Which of the following statements describes the results of this reaction?
C₆H₁₂O₆ + 6 O₂ → 6 CO₂ + 6 H₂O + Energy

• C₆H₁₂O₆ is reduced and CO₂ is oxidized.
• CO₂ is reduced and O₂ is oxidized.
• C₆H₁₂O₆ is oxidized and O₂ is reduced.
• O₂ is reduced and CO₂ is oxidized.

Tags

NGSS.HS-LS1-7

NGSS.HS-PS1-4

Figure 9.1 illustrates some of the steps (reactions) of glycolysis in their proper sequence. Each step is lettered. Use these letters to answer the questions.

• A
• B
• C
• D

Tags

NGSS.HS-LS1-7

Which portion of the pathway in Figure 9.1 involves an endergonic reaction?

• A
• B
• C
• D

Tags

NGSS.HS-LS1-7