Proteins, complex carbohydrates, like starch, fats, and nucleic acids are the important biological macromolecules and are essential to life. You learned that many industries depend on macromolecules such as elastomers, fibers and plastics.
For the album by Vic Mignogna, see Metafiction (album). Metafiction is a literary device used self-consciously and systematically to draw attention to a work's status as an artifact. It poses questions about the relationship between fiction and reality, usually using irony and self-reflection.
Abfraction causes. Abfraction causes. The cause of an abfraction, more properly known as non-carious cervical lesion (NCCL), is debatable. Abfraction by definition is related to occlusal stress. Although many use the terms interchangeably, I will use NCCL to describe the lesions except where occlusal stress is believed or reported to be the cause.