Matrix

Definition

The matrix is the inner compartment of a mitochondrion, where many metabolic reactions, including those of the Krebs cycle and oxidative phosphorylation, occur.

Related terms

Mitochondria:

These are organelles found in large numbers in most cells, where biochemical processes of respiration and energy production occur.

Cytoplasm:

This is a jelly-like substance within cells that contains all organelles and cell parts.

Enzymes:

These are proteins that act as biological catalysts to speed up chemical reactions within cells.