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.
Fan fiction, also called fanfiction, is derivative fiction written using another author's characters and universe. Fanfiction authors write stories about their favorite characters from books, movies, or comics. This cannot be sold, because the original characters and universe are copyright to the original author.