Some Internet service providers, such as AT&T Internet service, provide protection from these threats through software or other programs. Check with your current Internet service provider to find out if your computer is protected.
The definition of biochemistry is a field of science that deals with the study of chemical processes in plants and animals. An example of biochemistry is the study of cell metabolism.
Noun. 1. precursor-a substance from which another substance is formed (especially by a metabolic reaction). biochemistry-the organic chemistry of compounds and processes occurring in organisms; the effort to understand biology within the context of chemistry.recursor. n. 1. a person or thing that precedes and shows or announces someone or something to come; harbinger. 2. a predecessor or forerunner. 3. (Chemistry) a chemical substance that gives rise to another more important substance.