Cellular respiration review

What is the primary function of cellular respiration in organisms?

• To convert food into usable energy for cells.

• To produce oxygen for breathing.

• To break down proteins into amino acids.

• To store excess energy as fat.

What molecule is considered the cell's energy currency?

• Glucose

• ADP

• ATP

• Enzyme

How does ATP release energy for cellular work?

• By adding a phosphate group to ADP.

• By breaking a bond between two phosphate groups.

• By converting glucose into pyruvate.

• By absorbing light energy.

What is the net gain of ATP molecules from glycolysis?

• 0 ATP

• 2 ATP

• 4 ATP

• 32 ATP

Are you enjoying the video lesson?

• Yes

• No

What are the primary products of fermentation when cells lack sufficient oxygen?

• Pyruvate and Acetyl CoA

• Lactic acid and alcohols

• Carbon dioxide and water

• ATP and NADH

Which of the following is NOT a component of the mitochondrion's structure?

• Outer membrane

• Inner membrane

• Cristae

• Cytosol

What molecule does Acetyl CoA combine with to initiate the Krebs cycle?

• Citric acid

• Pyruvate

• Oxaloacetate

• FADH2

What is the primary role of ATP synthase in the electron transport chain?

• To transport electrons to oxygen

• To convert pyruvate into Acetyl CoA

• To generate ATP by harnessing the electrochemical gradient

• To produce NADH and FADH2