Unit 3 AP Biology Insta-Review (Cellular Energetics)

Front

What is the primary pigment involved in photosynthesis?

Back

Chlorophyll, which is green in color.

Front

What is a competitive inhibitor?

Back

A substance that binds to the active site of an enzyme, preventing substrate binding.

Front

How does an increase in pH affect hydrogen ion concentration?

Back

As pH increases, hydrogen ion concentration decreases.

Front

What effect does lower activation energy have on reaction rates?

Back

It increases the reaction rate.

Front

What is the consequence of energy loss in biological systems?

Back

It can lead to death.

Front

What is the role of ATP in cellular energetics?

Back

ATP serves as the primary energy currency of the cell.

Front

Define cellular respiration.

Back

The process by which cells convert glucose and oxygen into energy (ATP), carbon dioxide, and water.

Front

What is the difference between aerobic and anaerobic respiration?

Back

Aerobic respiration requires oxygen, while anaerobic respiration occurs without oxygen.

Front

What is the significance of the electron transport chain in cellular respiration?

Back

It is the stage where most ATP is produced through oxidative phosphorylation.

Front

What is the role of enzymes in biochemical reactions?

Back

Enzymes act as catalysts to speed up reactions by lowering activation energy.