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.
Note that some languages (such as English) have multiple options available to choose from. You can select which language to use for Dictation in the Dictation and Speech pane of System Preferences. If you don't see your language listed, you can add it.Make sure you are connected to the Internet, then follow these steps to add or remove a language for Dictation. 1  From the Apple menu, choose System Preferences.2  Click the Dictation & Speech icon. 3  Choose Add Language. from the Language pop-up menu.f you don't see your language listed, you can add it. Make sure you are connected to the Internet, then follow these steps to add or remove a language for Dictation. 1  From the Apple menu, choose System Preferences. 2  Click the Dictation & Speech icon. 3  Choose Add Language. from the Language pop-up menu.