Cellular Respiration and Oxidation-Reduction Worksheet

Most of the ATP produced in cellular respiration comes from which of the following processes?

• The citric acid cycle

• Oxidative phosphorylation

• Substrate-level phosphorylation

• Glycolysis

• Reduction of NADH

Tags

NGSS.HS-LS1-7

Which of the following is a correct description of the events of cellular respiration in proper sequence?

• Glycolysis; reduction of pyruvate; citric acid cycle; oxidative phosphorylation

• Oxidation of glucose to pyruvate; reduction of pyruvate; citric acid cycle; oxidative phosphorylation

• Oxidation of pyruvate; citric acid cycle; oxidation of glucose to pyruvate; oxidative phosphorylation

• Oxidation of glucose to pyruvate; oxidation of pyruvate; citric acid cycle; oxidative phosphorylation

• Glycolysis; oxidative phosphorylation; citric acid cycle; oxidation of pyruvate

Tags

NGSS.HS-LS1-7

The function of cellular respiration is to ___________.

• synthesize macromolecules from monomers

• extract CO2 from the atmosphere

• produce carbohydrates

• reduce CO2

• extract usable energy from glucose

Tags

NGSS.HS-LS1-7

During the reaction C6H12O6 + 6 O2 → 6 CO2 + 6 H2O, which compound is reduced as a result of the reaction?

• Oxygen

• Carbon dioxide

• Water

• Glucose

• Both glucose and carbon dioxide

Tags

NGSS.HS-LS1-7

Where do the reactions of glycolysis occur in a eukaryotic cell?

• The inner membrane of the mitochondrion

• The cytosol

• Across the inner membrane of the mitochondrion

• The matrix of the mitochondrion

• In the intermembrane space of the mitochondrion

Which of the following processes generates most of the NADH that delivers electrons to the electron transport chain?

• Glycolysis

• The citric acid cycle

• Anabolic pathways

• Substrate-level phosphorylation

• Oxidative phosphorylation

Tags

NGSS.HS-LS1-7

In an experiment, mice were fed glucose (C6H12O6) containing a small amount of radioactive oxygen. The mice were closely monitored, and after a few minutes, radioactive oxygen atoms showed up in ___________.

• water

• oxygen gas

• NADH

• ATP

• carbon dioxide

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

NGSS.HS-LS2-5

In the citric acid cycle, for each pyruvate that enters the cycle, one ATP, three NADH, and one FADH2 are produced. For each glucose molecule that enters glycolysis, how many ATP, NADH, and FADH2 are produced in the citric acid cycle?

• Four ATP, six NADH, two FADH2

• One ATP, three NADH, one FADH2

• Three ATP, three NADH, one FADH2

• About 38 ATP

• Two ATP, six NADH, two FADH2

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-5

Where do the reactions of the citric acid cycle occur in eukaryotic cells?

• The intermembrane space of the mitochondrion

• The matrix of the mitochondrion

• The cristae of the mitochondrion

• Across the inner membrane of the mitochondrion

• The cytosol

Tags

NGSS.HS-LS2-3

How many molecules of ATP are gained by substrate-level phosphorylation from the complete breakdown of a single molecule of glucose in the presence of oxygen?

• About 32 ATP

• 4

• 3

• About 16 ATP

• 2

Tags

NGSS.HS-LS1-7