[edit] Mutation Main article: Mutation DNA replication is for the most part extremely accurate, with an error rate per site of around 10-6 to 10-10 in eukaryotes.[16] Rare, spontaneous alterations in the b[...]

For other uses, see Gene (disambiguation). For a non-technical introduction to the topic, see Introduction to genetics. This stylistic diagram shows a gene in relation to the double helix structure of DNA [...]

"Life on Earth" redirects here. For the BBC series, see Life on Earth (TV series). See also: Organism (philosophy) Life on EarthFossil range: Late Hadean - Recent These Escherichia coli cells provide an ex[...]

Classical Conditioning (also Pavlovian or Respondent Conditioning) is a form of associative learning that was first demonstrated by Ivan Pavlov[1] . The typical procedure for inducing classical conditionin[...]

Protein synthesis Main article: Protein biosynthesis Cells are capable of synthesizing new proteins, which are essential for the modulation and maintenance of cellular activities. This process involves the[...]

The cell is the structural and functional unit of all known living organisms. It is the smallest unit of an organism that is classified as living, and is often called the building block of life.[1] Some or[...]

8 errors and means of the Marxist socialism to think that the proletariado one was destined by history to obtain the society without classes, forgetting that the peasantry has not been always less revoluti[...]