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Posted on Dec 16, 2003, 8 a.m.
By Bill Freeman
Molecules made up of amino acids arranged in a specific order determined by the genetic code. Proteins are essential for all life processes. Certain ones, such as the enzymes that protect against free radicals and the lymphokines produced in the immune system, are being studied extensively by gerontologists.
Molecules made up of amino acids arranged in a specific order determined by the genetic code. Proteins are essential for all life processes. Certain ones, such as the enzymes that protect against free radicals and the lymphokines produced in the immune system, are being studied extensively by gerontologists.
