AP Biology Unit 3: PS & CR

Front

What is Cellular Respiration?

Back

Cellular Respiration is the process by which cells convert glucose and oxygen into energy (ATP), carbon dioxide, and water.

Front

What are the main stages of Cellular Respiration?

Back

The main stages are Glycolysis, the Krebs Cycle (Citric Acid Cycle), and the Electron Transport Chain.

Front

What is the role of NADH in Cellular Respiration?

Back

NADH is an electron carrier that transports electrons to the electron transport chain, facilitating ATP production.

Front

What is the function of the Krebs Cycle?

Back

The Krebs Cycle processes pyruvate to produce NADH, FADH2, ATP, and CO2, which are essential for energy production.

Front

What is the significance of the Electron Transport Chain?

Back

The Electron Transport Chain uses electrons from NADH and FADH2 to create a proton gradient that drives ATP synthesis.

Front

What is the role of oxygen in Cellular Respiration?

Back

Oxygen acts as the final electron acceptor in the Electron Transport Chain, allowing for the production of water and ATP.

Front

What is photosynthesis?

Back

Photosynthesis is the process by which green plants convert light energy into chemical energy (glucose) using carbon dioxide and water.

Front

What is the relationship between photosynthesis and cellular respiration?

Back

Photosynthesis converts carbon dioxide and water into glucose and oxygen, while cellular respiration uses glucose and oxygen to produce energy, carbon dioxide, and water.

Front

What is the role of chlorophyll in photosynthesis?

Back

Chlorophyll is a pigment that absorbs light energy, primarily in the blue and red wavelengths, and reflects green light.

Front

What are the end products of the Krebs Cycle?

Back

The end products of the Krebs Cycle include NADH, FADH2, ATP, and CO2.