Cellular Respiration AP

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

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

Glycolysis occurs in the cytosol of the cell.

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

ATP (adenosine triphosphate) is the energy currency of the cell, providing energy for various cellular processes.

The Krebs Cycle, also known as the Citric Acid Cycle, is a series of chemical reactions used by all aerobic organisms to generate energy through the oxidation of acetyl-CoA.

Oxidative phosphorylation is the process of ATP production that occurs in the mitochondria, using energy from electrons transferred through the ETC.

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

Facilitated diffusion is the process of passive transport of molecules across a cell membrane via specific transmembrane integral proteins.

A substance that is oxidized loses electrons, which often results in an increase in its oxidation state.