| library materials | Print and non-print materials collected, processed, and stored by libraries. They comprise books, periodicals, pamphlets, reports, microforms, maps, manuscripts, motion pictures, and all other forms of audiovisual records. (harrod, the librarians' glossary, 4th ed, p497) (12 Dec 1998) |
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| library schools | Educational institutions for individuals specializing in the field of library science or information. (12 Dec 1998) |
| library science | Study of the principles and practices of library administration and services. (12 Dec 1998) |
| library services | Services offered to the library user. They include reference and circulation. (12 Dec 1998) |
| library surveys | Collection and analysis of data pertaining to operations of a particular library, library system, or group of independent libraries, with recommendations for improvement and/or ordered plans for further development. (12 Dec 1998) |
| library technical services | Acquisition, organization, and preparation of library materials for use, including selection, weeding, cataloging, classification, and preservation. (12 Dec 1998) |
| ambisense expression strategy | <molecular biology> The coding of viral proteins in both the sense (coding) and antisense (noncoding) strands of complementary mRNA, so that the viral proteins are produced no matter which strand gets translated. (09 Oct 1997) |
| mammalian expression vector | <molecular biology> A vector that will produce large amounts of eukaryotic protein taxonomy notwithstanding, and not necessarily a protein from a mammal. (20 Mar 1998) |
| gene expression | <molecular biology> The full use of the information in a gene via transcription and translation leading to production of a protein and hence the appearance of the phenotype determined by that gene. Gene expression is assumed to be controlled at various points in the sequence leading to protein synthesis and this control is thought to be the major determinant of cellular differentiation in eukaryotes. (18 Nov 1997) |
| gene expression regulation | Any of the processes by which nuclear, cytoplasmic, or intercellular factors influence the differential control of gene action at the level of transcription or translation. These processes include gene activation and genetic induction. (12 Dec 1998) |
| gene expression regulation, archaeal | Any of the processes by which cytoplasmic or intercellular factors influence the differential control of gene action in archaea. (12 Dec 1998) |
| gene expression regulation, bacterial | Any of the processes by which cytoplasmic or intercellular factors influence the differential control of gene action in bacteria. (12 Dec 1998) |
| gene expression regulation, developmental | Any of the processes by which nuclear, cytoplasmic, or intercellular factors influence the differential control of gene action during the developmental stages of an organism. (12 Dec 1998) |
| gene expression regulation, enzymologic | Any of the processes by which nuclear, cytoplasmic, or intercellular factors influence the differential control of gene action in enzyme synthesis. (12 Dec 1998) |
| gene expression regulation, fungal | Any of the processes by which nuclear, cytoplasmic, or intercellular factors influence the differential control of gene action in fungi. (12 Dec 1998) |