- 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 condensation product of an amino acid with either a keto-acid or a sugar, produced by the crown gall tissues. Opine synthesis is a unique characteristic of tumour cells.
Industry:Biotechnology
The condensed intracellular state of the DNA in the nucleoid of a bacterium. The DNA is segregated into domains, and each domain is independently negatively supercoiled.
Industry:Biotechnology
The condition in which only one allele of a pair is present, as in sex linkage or as a result of deletion. Genes present only once in the genotype and not in pairs; as in haploids, in differential segments of sex chromosomes, or in diploids as a result of aneuploidy or loss of chromosome segments.
Industry:Biotechnology
The condition in which only one allele of a pair is present, as in sex linkage or as a result of deletion. Genes present only once in the genotype and not in pairs; as in haploids, in differential segments of sex chromosomes, or in diploids as a result of aneuploidy or loss of chromosome segments.
Industry:Biotechnology
The condition in which the female reproductive organs (carpels) of a flower mature before the male ones (stamens), thereby ensuring that self-fertilization does not occur.
Industry:Biotechnology
The condition in which the male and the female reproductive organs of a flower mature at different times, thereby making self-fertilization improbable or impossible.
Industry:Biotechnology
The condition when plants are unable to absorb enough water to replace that lost by transpiration. The results may be wilting, cessation of growth, or even death of the plant or plant parts.
Industry:Biotechnology
The conservation of species, populations, individuals or parts of individuals, by <i>in situ</i> or <i>ex situ</i> methods, to provide a diversity of genetic materials for present and future generations.
Industry:Biotechnology
The conservation of species, populations, individuals or parts of individuals, by <i>in situ</i> or <i>ex situ</i> methods, to provide a diversity of genetic materials for present and future generations.
Industry:Biotechnology
The control of living organisms (especially pests) by biological means. Any process using deliberately introduced living organisms to restrain the growth and development of other, very often pathogenic, organisms, such as the use of spider mites to control cassava mealy bug, or the introduction of myxomatosis into Australia to control rabbits. The term also applies to use of disease-resistant crop cultivars. Biotechnology approaches biocontrol in various ways, such as using fungi, viruses or bacteria which are known to attack an insect or weed pest.
Industry:Biotechnology
