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• any of the rod-shaped or threadlike DNA-containing structures of cellular organisms that are located in the nucleus of eukaryotes, are usually ring-shaped in prokaryotes (such as bacteria), and contain all or most of the genes of the organism

• the science that deals with the properties, composition, and structure of substances (defined as elements and compounds), the transformations they undergo, and the energy that is released or absorbed during these processes.

• in graphic art, comically distorted drawing or likeness, done with the purpose of satirizing or ridiculing its subject.

• the bellflower family, containing 84 genera and about 2,400 species of mostly herbaceous (nonwoody) plants, many with showy, blue, bell-like flowers.

Use for: Bellflower

• A genus within the family Campanulaceae. Consists of annual, perennial, and biennial herbs. Collectively and commonly known as Bellflowers. Bellflowers have characteristically bell-shaped, usually blue flowers, and many are cultivated as garden ornamentals.

• Here are entered works on the process of construction. General works on structures or edifices are entered under [Buildings.] Works on the design and style of structures are entered under [Architecture.]

Use for: mosses, liverworts, hornworts

• traditional name for any nonvascular seedless plant—namely, any of the mosses (division Bryophyta), hornworts (division Anthocerotophyta), and liverworts (division Marchantiophyta). Most bryophytes lack complex tissue organization, yet they show considerable diversity in form and ecology. They are widely distributed throughout the world and are relatively small compared with most seed-bearing plants.

• A plant family. Members of Bromeliaceae are herbaceous evergreen perennials with simple spirally arranged leaves. Commonly known as the pineapple family.