bacterial preparation
31Fluorescence in situ hybridization — A metaphase cell positive for the bcr/abl rearrangement (associated with chronic myelogenous leukemia) using FISH. The chromosomes can be seen in blue. The chromosome that is labeled with green and red spots (upper left) is the one where the… …
32Antibiotic resistance — is a type of drug resistance where a microorganism is able to survive exposure to an antibiotic. While a spontaneous or induced genetic mutation in bacteria may confer resistance to antimicrobial drugs, genes that confer resistance can be… …
33Soured milk — is a food product, distinguished from spoiled milk, and is a general term for milk that has acquired a tart taste, either through the addition of an acid, such as lemon juice or vinegar, or through bacterial fermentation. The acid causes milk to… …
34Economic importance of bacteria — The economic importance of bacteria derives from the fact that bacteria are exploited by humans in a number of beneficial ways. Despite the fact that some bacteria play harmful roles, such as causing disease and spoiling food, the economic… …
35carboxylic acid — Chem. any organic acid containing one or more carboxyl groups. [1900 05; CARBOXYL + IC] * * * Any organic compound with the general chemical formula ―COOH in which a carbon (C) atom is bonded to an oxygen (O) atom by a double bond to make a… …
36virus — viruslike, adj. /vuy reuhs/, n., pl. viruses. 1. an ultramicroscopic (20 to 300 nm in diameter), metabolically inert, infectious agent that replicates only within the cells of living hosts, mainly bacteria, plants, and animals: composed of an RNA …
37Biofilm — A biofilm is a structured community of microorganisms encapsulated within a self developed polymeric matrix and adherent to a living or inert surface. Biofilms are also often characterized by surface attachment, structural heterogeneity, genetic… …
38Pu-erh tea — Pu erh, Pu er tea, Puer tea or Bolay tea is a type of tea made from a large leaf variety of the tea plant Camellia sinensis and named after Pu er county near Simao, Yunnan, China. Pu erh tea can be purchased as either raw/green (sheng) or… …
39Lysogeny broth — (LB), a nutritionally rich medium, is primarily used for the growth of bacteria. It is also known as Luria broth or Luria Bertani broth.LB media formulations have been an industry standard for the cultivation of Escherichia coli as far back as… …
40food preservation — Any method by which food is protected against spoilage by oxidation, bacteria, molds, and microorganisms. Traditional methods include dehydration, smoking, salting, controlled fermentation (including pickling), and candying; certain spices have… …
