Cellular Respiration P.2

How many stages are there in cellular respiration and what are they called?

• 3 stages: Glycolysis, Krebs cycle, Electron Transport Chain

• 4 stages: Glycolysis, Pyruvate oxidation, Krebs cycle, Oxidative phosphorylation (ETC)

• 5 stages: Glycolysis, Pyruvate oxidation, Krebs cycle, Oxidative phosphorylation, Lactic acid fermentation

• 2 stages: Glycolysis, Krebs cycle

What is the primary goal of cellular respiration?

• To consume as much glucose as possible

• To produce as much ATP as possible

• To utilize oxygen efficiently

• To generate carbon dioxide

Which of the following best describes the difference between energy found in carbohydrates and energy found in ATP?

• Carbohydrates store energy chemically, while ATP stores energy physically

• Carbohydrates store energy temporarily, while ATP stores energy permanently

• Carbohydrates store a large amount of potential energy, while ATP is ready to use chemical energy

• Carbohydrates store energy in large molecules, while ATP stores energy in small molecules

Which of the following is not a product of cellular respiration?

• Water

• CO2

• Energy

• Glucose

What are the two types of cellular respiration?

• Aerobic and anaerobic

• Anabolic and catabolic

• Oxidative and reductive

• Fermentation and Krebs cycle

True or false?

ethanol and lactic acid fermentation occur in the presence of oxygen.

• TRUE

• FALSE

Which of the following are the electron (energy) carriers involved in cellular respiration?

• NADH and FADH2

• ATP and ADP

• Glucose and oxygen

• Carbon dioxide and water

What is the first stage of cellular respiration?

• Pyruvate oxidation

• Krebs cycle

• Glycolysis

• Oxidative phosphorylation

Where does the glycolysis reaction occur?

• Mitochondrial matrix

• Cytoplasm

• Inner mitochondrial membrane

• Chloroplast

What is the main input and output of the glycolysis? (write the input first)