Exploring Cellular Respiration and Fermentation

What is the initial molecule that starts the process of cellular respiration?

• Oxygen

• ATP

• Pyruvate

• Glucose

Where does glycolysis take place within the cell?

• Mitochondria

• Nucleus

• Cytoplasm

• Cell membrane

What is the net gain of ATP molecules during glycolysis?

• 1 ATP

• 4 ATP

• 2 ATP

• 3 ATP

Which organelle is known as the powerhouse of the cell?

• Mitochondria

• Ribosome

• Golgi apparatus

• Nucleus

What is the final electron acceptor in aerobic respiration?

• Nitrogen

• Oxygen

• Carbon dioxide

• Sulfur

Which type of respiration occurs in the absence of oxygen?

• Aerobic respiration

• Anaerobic respiration

• Photosynthesis

• Fermentation

What is the first step in both cellular respiration and fermentation?

• Fermentation

• Citric acid cycle

• Electron transport chain

• Glycolysis

What are the two possible products of fermentation?

• Lactic acid and ethanol

• Carbon dioxide and water

• Glucose and oxygen

• ATP and pyruvate

Which type of fermentation do human cells perform?

• Alcoholic fermentation

• Acetic acid fermentation

• Lactic acid fermentation

• Butyric acid fermentation

Why do yeast cells perform alcoholic fermentation?

• To generate oxygen

• To make alcoholic beverages

• To create glucose

• To produce lactic acid