IBBIO Metabolism Unit Review

Front

What is positive feedback in biological processes?

Back

A process where the output enhances or amplifies the initial stimulus, such as the release of oxytocin during childbirth.

Front

What is the primary function of the light reactions of photosynthesis?

Back

To produce NADPH and ATP.

Front

What is the Calvin cycle a part of?

Back

Photosynthesis.

Front

What is the correct equation for photosynthesis?

Back

CO₂ + light + H₂O → O₂ + glucose.

Front

Which process does not occur in the mitochondria?

Back

Glycolysis.

Front

Define glycolysis.

Back

The metabolic pathway that converts glucose into pyruvate, producing ATP and NADH.

Front

What is the role of ATP in cellular metabolism?

Back

ATP serves as the primary energy currency of the cell, providing energy for various biochemical reactions.

Front

What is the function of NADPH in photosynthesis?

Back

NADPH provides the reducing power for the Calvin cycle to convert carbon dioxide into glucose.

Front

Explain the role of the electron transport chain in cellular respiration.

Back

The electron transport chain transfers electrons from NADH and FADH₂ to oxygen, creating a proton gradient that drives ATP synthesis.

Front

What is the significance of the Krebs cycle?

Back

The Krebs cycle generates electron carriers (NADH and FADH₂) and ATP, playing a crucial role in cellular respiration.