AP Biology Cellular Respiration

Front

What is cellular respiration?

Back

Cellular respiration is the process by which carbon-based molecules from food and oxygen are used to produce ATP, the energy currency of the cell.

Front

Which step of aerobic cellular respiration produces the most ATP?

Back

The Electron Transport Chain produces the most ATP during aerobic cellular respiration.

Front

What are the main products of the Krebs Cycle?

Back

The main products of the Krebs Cycle are ATP and CO2.

Front

Which of the following is NOT a stage of cellular respiration?

Back

Fermentation is NOT a stage of cellular respiration.

Front

Which organisms perform cellular respiration?

Back

Both Autotrophs and Heterotrophs perform cellular respiration.

Front

What is the role of glycolysis in cellular respiration?

Back

Glycolysis is the first step of cellular respiration that breaks down glucose into pyruvate, producing a small amount of ATP and NADH.

Front

What is the function of the Krebs Cycle?

Back

The Krebs Cycle processes pyruvate to produce ATP, NADH, and FADH2, and releases CO2 as a waste product.

Front

What is the significance of the Electron Transport Chain?

Back

The Electron Transport Chain is crucial for ATP production, as it uses electrons from NADH and FADH2 to create a proton gradient that drives ATP synthesis.

Front

What is fermentation?

Back

Fermentation is an anaerobic process that allows cells to produce energy without oxygen, resulting in products like lactic acid or ethanol.

Front

What is ATP and why is it important?

Back

ATP (adenosine triphosphate) is the primary energy carrier in cells, providing energy for various cellular processes.