CAT stands for computerized axial tomography. It provides x-ray or gamma ray images of the interior of the body with unprecedented clarity and detail. The x-ray image is a superimposed set of shadows of everything between the source and detector, which can make finding a minute tumor or a tiny blocked artery quite difficult. A computer memorizes and displays a series of three dimensional cross sections of the CAT scanned body. Catalase is found in all organisms which require oxygen or can survive in its presence.
Enzymes are a dorm of biological catalyst.
Iron and copper are powerful free radical autoxidation catalysts. Both of these decline with age, particularly dopamine, with consequent decline of functions dependent on these catecholamines. Composed of proteins , lipids , and carbohydrates . Acerylcholine is am important brain neurotransmitter, too, being involved in memory, long-term planning, control of mental focus, sexual activity, and other functions. The normal number of chromosomes for a human being is forty-six in all somatic cells.