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| any of a large group of organic compounds occurring in foods and living tissues and including sugars, starch, and cellulose. They contain hydrogen and oxygen in the same ratio as water (2:1) and typically can be broken down to release energy in the animal body. |
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| a molecule containing a very large number of atoms, such as a protein, nucleic acid, or synthetic polymer. |
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| a hexose sugar found esp. in honey and fruit |
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| an odorless tasteless white substance occurring widely in plant tissue and obtained chiefly from cereals and potatoes. It is a polysaccharide that functions as a carbohydrate store and is an important constituent of the human die |
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| any of a class of organic compounds that are fatty acids or their derivatives and are insoluble in water but soluble in organic solvents. They include many natural oils, waxes, and steroids |
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| a simple organic compound containing both a carboxyl (-COOH) and an amino (-NH2) group. |
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| Abbreviation given to an unimportant part of a molecule. Indicates Rest of molecule |
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| (chitin) a tough semitransparent horny substance; the principal component of the exoskeletons of arthropods and the cell walls of certain fungi |
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| Protein structure is the biomolecular structure of a protein molecule. Each protein is a polymer |
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| ribonucleic acid, a nucleic acid present in all living cells. Its principal role is to act as a messenger carrying instructions from DNA for controlling the synthesis of proteins, although in some viruses RNA rather than DNA carries the genetic information. |
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| deoxyribonucleic acid, a self-replicating material present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information |
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| the chemical element of atomic number 7, a colorless, odorless unreactive gas that forms about 78 percent of the earth's atmosphere. Liquid nitrogen (made by distilling liquid air) boils at 77.4 kelvins (-195.8°C) and is used as a coolant |
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| a colorless, odorless, highly flammable gas, the chemical element of atomic number 1 |
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the chemical element of atomic number 6, a nonmetal that has two main forms (diamond and graphite) and that also occurs in impure form in charcoal, soot, and coal.
carbon dioxide or other gaseous carbon compounds released into the atmosphere, associated with climate change |
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| a colorless, odorless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air. Oxygen forms about 20 percent of the earth's atmosphere, and is the most abundant element in the earth's crust, mainly in the form of oxides, silicates, and carbonates. |
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