scientists have isolated the germ
51animal behaviour — Introduction any activity of an intact organism. A living animal behaves constantly in order to survive, and all animals must solve the same basic problems. They must, for instance, periodically replace their energy source (consume… …
52Chimera (genetics) — A chimeric mouse with its offspring A chimera or chimaera is a single organism (usually an animal) that is composed of two or more different populations of genetically distinct cells that originated from different zygotes involved in sexual… …
53Vitalism — This article is about the non mechanist philosophy. For other uses, see vital (disambiguation). Vitalism, as defined by the Merriam Webster dictionary,[1] is a doctrine that the functions of a living organism are due to a vital principle distinct …
54Drosophila melanogaster — Male Drosophila melanogaster Scientific classification Kingdom …
55Promega — History and Background =In 1978 scientists were just beginning to understand the potential of what Boyer and Cohen had done by cutting DNA into specific fragments using restriction enzymes, rejoining them and transferring them into bacterial host …
56Mars in fiction — Fictional representations of Mars have been popular for over a century. Interest in Mars has been stimulated by the planet s dramatic red color, by early scientific speculations that its surface conditions might be capable of supporting life, and …
57zoology — /zoh ol euh jee/, n., pl. zoologies. 1. the science or branch of biology dealing with animals. 2. a treatise on zoology. 3. the animal life of a particular region. [1660 70; ZOO + LOGY] * * * Branch of biology concerned with members of the animal …
58Knockout rats — Knockout rats=A knockout rat is a rat with a single gene disruption used for academic and pharmaceutical research. Knockout rats can mimic human diseases and are important tools for studying gene function (functional genomics) and for drug… …
59ethics — /eth iks/, n.pl. 1. (used with a sing. or pl. v.) a system of moral principles: the ethics of a culture. 2. the rules of conduct recognized in respect to a particular class of human actions or a particular group, culture, etc.: medical ethics;… …
60morphology — morphologic /mawr feuh loj ik/, morphological, adj. morphologically, adv. morphologist, n. /mawr fol euh jee/, n. 1. the branch of biology dealing with the form and structure of organisms. 2. the form and structure of an organism considered as a… …
