- 行业: Agriculture
- Number of terms: 87409
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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 aseptic culture of complete living organs of animals and plants outside the body in a suitable culture medium. Animal organs must be small enough to allow the nutrients in the culture medium to penetrate all the cells.
Industry:Biotechnology
The average number of molecules of a plasmid or gene per genome contained in a cell.
Industry:Biotechnology
The basic concept that, in nature, genetic information generally can flow only from DNA to RNA to protein. It is now known, however, that information contained in RNA molecules of certain viruses (called retroviruses) can also flow back to DNA.
Industry:Biotechnology
The basic number of chromosomes in a polyploid series, monoploid = x; diploid = 2x; triploid = 3x; etc.
Industry:Biotechnology
The biochemical events that conduct the signal of a hormone or growth factor from the cell exterior, through the cell membrane, and into the cytoplasm. This involves a number of molecules, including receptors, ligands and messengers.
Industry:Biotechnology
The biological amplification of a specific DNA sequence through mitotic division of a host cell into which it has been transformed or transfected.
Industry:Biotechnology
The black porous residue of partly burnt wood, bones, etc; a form of carbon. When treated to purify it and increase its adsorptive power, it is called activated charcoal (q.v.) in which form it is added to nutrient medium in order to prevent or decrease the effect of browning.
Industry:Biotechnology
The branch of ethics that deals with the life sciences and their potential impact on society. At one extreme, it can be enormously useful in focusing attention on problems that need to be confronted; at the other extreme, it can become a name-calling argument between the "pro-biotechnology" and "anti-biotechnology" schools of thought, which, as it reduces discussion to epithets and clichés, can make better sound bites.
Industry:Biotechnology
The branch of genetics that deals with frequencies of alleles and genotypes in breeding populations. <i>cf.</i> quantitative genetics.
Industry:Biotechnology
The brand name of a <i>Pseudomonas</i>-derived refined polysaccharide used as a gelling agent and agar substitute.
Industry:Biotechnology
