Acetyl CoA: Acetyl-coenzyme A, a high-energy ester of acetic acid that is important both in the tricarboxylic acid cycle and in fatty acid biosynthesis.
Acidosis: A metabolic condition in which the capacity of the body to buffer H+ is diminished; usually accompanied by decreased blood pH.
Actin: A protein making up the thin filaments of muscle; also an important component of the cytoskeleton of many eukaryotic cells.
Active Site: The region of an enzyme molecule that contains the substrate binding site and the catalytic site for converting the substrate(s) into product(s).
Active Transport: Energy requiring transport of a solute across a membrane in the direction of increasing concentration.
Acyl Phosphate: Any molecule with the ...