Glycolysis takes place in the cytoplasm. Within the mitochondrion, the citric acid cycle occurs in the mitochondrial matrix, and oxidative metabolism occurs at the internal folded mitochondrial ...

A second autotrophic pathway (Arnon–Buchanan cycle) uses a reductive citric acid cycle and is found in anaerobic or microaerophilic bacteria and archaea. A third autotrophic pathway (Wood ...

Citric acid is a weak acid that is found naturally in all citrus fruits. Unlike strong acids, weak acids ionize only partially when in solution. If you’ve ever sunk your teeth into a lemon or ...