Although most DNA is packaged in chromosomes within the nucleus, mitochondria also have a small amount of their own DNA. This genetic material is known as mitochondrial DNA or mtDNA. Mitochondria (illustration) are structures within cells that convert the energy from food into a form that cells can use.
Diction â A speakerâs (or authorâs) word choice. This term may also refer to the general type or character of language used in speech or in a work of literature.
Language is the ability to acquire and use complex systems of communication, particularly the human ability to do so, and a language is any specific example of such a system.The scientific study of language is called linguistics.he formal study of language is often considered to have started in India with PÄá¹ini, the 5th century BC grammarian who formulated 3,959 rules of Sanskrit morphology. However, Sumerian scribes already studied the differences between Sumerian and Akkadian grammar around 1900 BC.