- 行业: Agriculture
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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 ...
Mitotic-type division that is usually the second division in the meiotic sequence; somatic mitosis and the non-reductional division of meiosis. A chromosome division in which the two chromatids of each duplicated chromosome separate longitudinally, prior to being incorporated into two daughter nuclei.
Industry:Biotechnology
Mixture of amino acids and peptides produced by enzymatic or acid hydrolysis of casein. <i>cf</i> organic complex; undefined.
Industry:Biotechnology
Mixtures consisting of more than one monomer; for example, polymers of two kinds of organic bases, such as uracil and cytosine (poly-UC) have been combined for studies of the genetic code.
Industry:Biotechnology
Molecule of large molecular weight, such as proteins, nucleic acids and polysaccharides.
Industry:Biotechnology
Molecules that are coloured by the light they absorb. Some plant pigments are water soluble and are found mainly in the cell vacuole.
Industry:Biotechnology
Motion of a motile cell, organism or part towards or away from an increasing concentration of a particular substance.
Industry:Biotechnology
Multiplication of a piece of DNA in a test-tube into many thousands of millions of copies. The most commonly used process is the polymerase chain reaction (PCR) system, but other systems are being developed, including ligase chain reaction (LCR), nucleic acids sequence-dependent amplification, and the Q-β system.
Industry:Biotechnology
Mutations in suppressor genes are able to overcome (suppress) the effects of mutations in other, unlinked, genes. A common, and very useful, kind of suppressor mutation occurs within the gene encoding a tRNA molecule and results in a change in the tRNA's anticodon. Such a mutant tRNA can reverse the effect of chain-terminating mutations, such as amber or ochre, in protein-encoding genes.
Industry:Biotechnology
Mutations that are both functionally and structurally allelic; mutations at the same site in the same gene.
Industry:Biotechnology
