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The characteristic group of the ketones. An aldehyde (-CH=0) group or ketone (-C=0) group; a group which characterizes aldehydes and ketones.  

A colorless liquid used in fire extinguishers, as a cleaning agent, and as an insecticide. A heavy, colorless, poisonous chemical compound. Carbon tetrachloride is toxic when inhaled or absorbed through the skin. It is used commercially in dry cleaning and to extinguish fires. Carbon tetrachloride should never be used in the home as a spot…

A colorless, odorless, and tasteless gas that results from the incomplete combustion of any carbon-containing substance is absorbed by the red blood cells more readily than oxygen which consequently can result in asphyxiation. A poisonous gas found in fumes from car engines, from burning gas and cigarette smoke. Dangerous gas produced by burning tobacco. Colorless,…

The substance formed when carbon dioxide combines with water. An acid that results from dissolving carbon dioxide in water; blood levels are measured to determine respiratory function. H2C03; an acid formed when carbon dioxide is dissolved in water. A chemically unstable compound formed by dissolving carbon dioxide in water.  

A substance that results from aerobic metabolism While oxygen is being used by the working muscles, a similar volume of carbon dioxide is being produced, transported by blood to the lungs, and exhaled.  

A nonmetallic chemical element with the chemical symbol C is found in all living tissues. One of the common non-metallic elements, an essential component of living matter and organic chemical compounds. Nonmetallic element present in virtually all living things and all organic matter. A non-metallic element, the compounds of which are found in all living…

Phenol, an antiseptic first used by Joseph Lister. Carbolic acid, or phenol, was the precursor of all antiseptics. It paralyses and then destroys most forms of life, particularly organisms such as bacteria. It has been superseded by less penetrative and harmful antiseptics. A potent disinfectant originating from coal tar, also known as carbolic acid or…

In pharmacology, a salt or ester of carbolic acid forms the basis for certain hypnotics.  

In biology and zoology, the bony or chitinous case or shield covering the back or part of the back of an animal.  

A subunit that has been recognized to be made up of protein, in an animal virus: capsid. Short ribbons of protein that make up a portion of the capsid of a virus.