Cellular Respiration: From Glycolysis to ATP Production

How long can most people hold their breath before needing to breathe again?

• 10-20 seconds

• 5-10 minutes

• 30-45 seconds

• 1-2 minutes

What is the 'rule of three' in human survival?

• Three minutes without food, three weeks without water, three days without oxygen

• Three days without food, three weeks without water, three minutes without oxygen

• Three weeks without food, three days without water, three minutes without oxygen

• Three minutes without food, three days without water, three weeks without oxygen

What is the main goal of cellular respiration?

• To create proteins and lipids

• To produce glucose and oxygen

• To store energy in the form of glycogen

• To generate ATP, water, carbon dioxide, and heat

Which type of respiration yields the most energy?

• Aerobic respiration

• Anaerobic respiration

• Fermentation

• Photosynthesis

Where does glycolysis occur in the cell?

• Cytoplasm

• Nucleus

• Intermembrane space

• Mitochondrial matrix

What is the net yield of ATP from glycolysis?

• 8 ATP

• 2 ATP

• 6 ATP

• 4 ATP

What molecule is formed at the end of the prep steps?

• Citrate

• Oxaloacetate

• Acetyl CoA

• Pyruvate

How many times does the Krebs cycle turn per molecule of glucose?

• Twice

• Once

• Three times

• Four times

What is the final electron acceptor in the electron transport chain?

• NADH

• Water

• Oxygen

• FADH2

How many ATP molecules can be generated from one molecule of glucose in an efficient cell?

• 38 ATP

• 34 ATP

• 20 ATP

• 10 ATP