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.frica is home to a large number of language families, the largest of which is the Niger-Congo language family, which includes such languages as Swahili, Shona, and Yoruba. Speakers of the Niger-Congo languages account for 6.9% of the world's population.