null functional
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Functional analysis — For functional analysis as used in psychology, see the functional analysis (psychology) article. Functional analysis is the branch of mathematics, and specifically of analysis, concerned with the study of vector spaces and operators acting upon… … Wikipedia
Null allele — A null allele is a mutant copy of a gene that completely lacks that gene s normal function. This can be the result of the complete absence of the gene product (protein, RNA) at the molecular level, or the expression of a non functional gene… … Wikipedia
Null function — Not to be confused with identity function or empty function. In computer science, a null function (or null operator) is subroutine that returns no data values and leaves the program state unchanged. When it is part of the instruction set of… … Wikipedia
Functional (mathematics) — In mathematics, a functional is traditionally a map from a vector space to the field underlying the vector space, which is usually the real numbers. In other words, it is a function that takes a vector as its argument or input and returns a… … Wikipedia
Null mutation — A mutation (a change) in a gene that leads to its not being transcribed into RNA and/or translated into a functional protein product. For example, a null mutation in a gene that usually encodes a specific enzyme leads to the production of a… … Medical dictionary
null allele — An allele which produces no functional gene product … Glossary of Biotechnology
Mutation, null — A mutation (a change) in a gene that leads to its not being transcribed into RNA and/or translated into a functional protein product. For example, a null mutation in a gene that usually encodes a specific enzyme leads to the production of a… … Medical dictionary
Relational model — The relational model for database management is a database model based on first order predicate logic, first formulated and proposed in 1969 by Edgar Codd. [ Derivability, Redundancy, and Consistency of Relations Stored in Large Data Banks , E.F … Wikipedia
Ecology — For other uses, see Ecology (disambiguation). Ecology … Wikipedia
Comparison of C Sharp and Java — The correct title of this article is Comparison of C# and Java. The substitution or omission of the # sign is because of technical restrictions. Programming language comparisons General comparison Basic syntax Basic instructions … Wikipedia
C++11 — C++11, also formerly known as C++0x,[1] is the name of the most recent iteration of the C++ programming language, replacing C++TR1, approved by the ISO as of 12 August 2011.[2] The name is derived from the tradition of naming language versions by … Wikipedia
