In Vivo vs In Vitro Experiments are the methods that are used in scientific stu.s to aid in comparing two competing explanations of certain phenomena such as those that are found in certain scientific areas like biology wherein observations are made through testing and experiments. In biology, the term “in situ”.Sigue LaLiga de Espa a El Cl sico en vivo Real Madrid vs Barcelona, Atl tico de Madrid, Real Sociedad, Valencia, Sevilla, M laga, Levante, Athletic Bilbao, Celta de Vigo entre otros. Ent rate de los resultados, partidos en vivo, tabla de clasificaci n y estad sticas de tus equipos favoritos..In vivo vs. ex vivo research. In microbiology, in vivo is often used to refer to experimentation done in live isolated cells rather than in a whole organism, for example, cultured cells derived from biopsies. In this situation, the more specific term is ex vivo.Once cells are disrupted and individual parts are tested oryzed, this is .