Matrix in mitochondria. The tricarboxylic acid (TCA) cycle, a sequence of biochemical events started by the conversion of pyruvate and fatty acids to acetyl coenzyme A, occurs in the mitochondrial matrix (acetyl-CoA).
Where in the mitochondria is the matrix found?
- The Krebs cycle is a series of eight mitochondrial matrix reactions that involve the attachment of acetyl-CoA to oxalacetic acid.
- To complete the cycle, the resulting 6-carbon molecule, citric acid, undergoes two decarboxylations and continuously transforms back into the original 4-carbon molecule.
- Oxygen may or may not be present in cells while they are respiring. Cellular respiration is so named because the cell appears to "respire" by having consumed gaseous oxygen (as an electron acceptor) and exhaling dioxide (as an end product).
- Plants use photoautotrophic mechanisms to produce energy, which is an example of cellular respiration.
- The matrix of a mitochondrion is made up of the internal regions of a mitochondrion that are surrounded by the inner membrane.
To learn more about cellular respiration refer to:
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