- 行业: Agriculture
- Number of terms: 87409
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- Company Profile:
Established in October 1945 with the objective of eliminating hunger and improving nutrition and standards of living by increasing agricultural productivity, FAO coordinates the efforts of governments and technical agencies in programs for developing agriculture, forestry, fisheries, and land and ...
The introduction of small amounts of material (DNA, RNA, enzymes, cytotoxic agents) into a single eukaryotic cell with a fine, microscopic needle, penetrating the cell membrane.
Industry:Biotechnology
The invasion of any living organisms by disease-causing micro-organisms, which proceed to establish themselves, multiply, and produce various clinical signs in their host.
Industry:Biotechnology
The irreversible condition of a species or other group of organisms of having no living representatives in the wild, which follows the death of the last surviving individual of that species or group. Extinction may occur on a local or global level; it can result from various human activities, including the destruction of habitats or the overexploitation of species that are hunted or harvested as a resource.
Industry:Biotechnology
The isolation and culture of plant protoplasts by mechanical means or by enzymatic digestion of plant tissues or organs, or cultures derived from these. Protoplasts are utilized for selection or hybridization at the cellular level and for a variety of other purposes.
Industry:Biotechnology
The joining of two linear nucleic acid molecules by the formation of phospho-diester bonds. In cloning experiments, a restriction fragment is often ligated to a linearized vector molecule using T4 DNA ligase.
Industry:Biotechnology
The joint culture of two or more types of cells, such as a plant cell and a micro-organism, or two types of plant cells. Used in various dual-culture systems or in nurse-culture, q.v.
Industry:Biotechnology
The lack of a complementary pair of bases in a double helix of DNA, e.g., A:C, G:T.
Industry:Biotechnology
The large cluster of genes that encode the major histocompatibility antigens in mammals.
Industry:Biotechnology
The last stage in the post-embryonic development of multicellular organisms, during which loss of functions and degradation of biological components occur. A physiological ageing process in which cells and tissues deteriorate and finally die.
Industry:Biotechnology
The layers of cells in an animal embryo at the gastrula stage, from which the various organs of the animal's body will be derived.
Industry:Biotechnology
