AP Biology: Unit 3

Front

What is oxidative phosphorylation?

Back

The process in cellular respiration that generates ATP through the creation of a proton gradient across the inner mitochondrial membrane.

Front

What are the main electron carriers in the electron transport chain?

Back

NADH and FADH2 are the primary electron carriers that transport electrons to the electron transport chain.

Front

What is a product of the Electron Transport Chain?

Back

Water (H2O) is produced as a byproduct of the electron transport chain.

Front

What is the active site of an enzyme?

Back

The region on an enzyme where the substrate binds and undergoes a chemical reaction.

Front

Where does the substrate bind on an enzyme?

Back

The substrate binds at the active site of the enzyme.

Front

What is the role of NADH in cellular respiration?

Back

NADH acts as an electron carrier, transporting electrons to the electron transport chain.

Front

What is the function of FADH2 in cellular respiration?

Back

FADH2 serves as an electron carrier, contributing to the electron transport chain.

Front

What is the significance of the proton gradient in oxidative phosphorylation?

Back

The proton gradient created during oxidative phosphorylation drives ATP synthesis through ATP synthase.

Front

What is the final electron acceptor in the electron transport chain?

Back

Oxygen (O2) is the final electron acceptor, forming water when it combines with electrons and protons.

Front

What is the difference between aerobic and anaerobic respiration?

Back

Aerobic respiration requires oxygen and produces more ATP, while anaerobic respiration occurs without oxygen and produces less ATP.