Domain

Domain is a term used in various fields of science, including biology, computer science, and mathematics. In the context of biology, a domain is a distinct functional or structural unit in a protein. In computer science, a domain refers to a sphere of knowledge or control. In mathematics, a domain is a set of input values for which a function is defined.

Biology

In biology, a domain is a distinct functional or structural unit in a protein. Domains often evolve as a unit, and may be found in a variety of different proteins. Domains may have specific functions, such as binding a small molecule, or they may be responsible for the overall shape of the protein.

Computer Science

In computer science, a domain refers to a sphere of knowledge or control. This can refer to a domain name in the context of the internet, or a domain of a function in programming. A domain name is a label that identifies a network domain: a distinct group of computers under a central administration or authority. In programming, the domain of a function is the set of input values for which the function is defined.

Mathematics

In mathematics, a domain is a set of input values for which a function is defined. This can be a set of real numbers, a set of integers, or any other set that is appropriate for the function. The domain is often represented as a subset of the real number line.

See Also

• Protein domain
• Domain name
• Function (mathematics)

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