All of the chemical reactions that occur within a cell are collectively referred to as metabolism. This includes , which are those reactions that use energy and synthesize building blocks and macromolecules, and , which are the cellular reactions that break larger molecules into smaller molecules and release energy.

it was spontaneous.

"ain't i a woman? " is the name given to a speech, delivered extemporaneously, by sojourner truth, (1797–1883), born into slavery in new york state.sojourner truth' delivered her famous speech "ain't i a woman? " (which did not have a title at that moment) was given without any previous preparation. her dissertation took place at the women's convention in akron, ohio, in 1851.