5.8: Fermentation Last updated Jan 3, 2021 Save as PDF 5.7G: Methylotrophy and Methanotrophy 5.8A: Anaerobic Cellular Respiration Page ID8970 BoundlessBoundless ( \newcommand{\kernel}{\mathrm{null}\,}\) Topic hierarchy5.8A: Anaerobic Cellular RespirationSome prokaryotes and eukaryotes use anaerobic respiration in which they can create energy for use in the absence of oxygen.5.8B: Clostridial and Propionic Acid FermentationAcetogenesis is a biological reaction wherein volatile fatty acids are converted into acetic acid, carbon dioxide, and hydrogen.5.8C: Fermentation Without Substrate-Level PhosphorylationFermentation is the process of extracting energy from the oxidation of organic compounds such as carbohydrates.5.8C: SyntrophySyntrophy is the phenomenon where one species lives off the products of another species.