- 行业: Agriculture
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A superfamily within the Auchenorrhyncha (Hemiptera) having long hind tibia lined with numerous spines, transverse platelike hind coxae, 2 or no ocelli, but no tegulae.
Industry:Agriculture
Slow-acting rodent poisons or anticoagulants. Their principal action is to prevent blood from clotting, thereby causing slow and painless death to the animal through continuous internal bleeding and external bleeding.
Industry:Agriculture
Chromosome analysis in which cloned chromosomal segments are used to isolate the neighboring DNA fragments.
Industry:Agriculture
Structural unit of the cell nucleus which carries in linear order the genes responsible for the determination and transmission of hereditary characteristics. The term is applicable not only to the nuclear chromosomes but more loosely to the DNA of viruses, bacteria, and the chloroplast and mitochondria of eukaryotes.
Industry:Agriculture
One of the visible enlargements of the chromonema at which nucleoproteins appear to be concentrated. Some regard these to be the physical seat of the genes, commonly regarded as actual carrier of genes. Others consider these as optical artifacts due to the coiled state of the chromonema.
Industry:Agriculture
Threadlike structures formed by the longitudinal division of a chromosome during mitotic prophase and known as a daughter chromosome during anaphase.
Industry:Agriculture
