منابع مشابه
Chromosomal Organization: Mingling with the Neighbors
C hromosomes, the packaged DNA carriers of heredity and instructions for proper cell functioning, undergo dramatic morphological transformations during the cell-division cycle. In metaphase, which includes the alignment of chromosomes before their separation between the two daughter cells, the 46 chromosomes in a human cell are condensed to such a degree that they can be observed by light micro...
متن کاملMingling: mixed-integer rounding with bounds
Mixed-integer rounding (MIR) is a simple, yet powerful procedure for generating valid inequalities for mixed-integer programs. When used as cutting planes, MIR inequalities are very effective for mixed-integer programming problems with unbounded integer variables. For problems with bounded integer variables, however, cutting planes based on lifting techniques appear to be more effective. This i...
متن کاملMolecular mapping of hypersensitive resistance from tomato 'Hawaii 7981' to Xanthomonas perforans race T3.
Bacterial spot of tomato (Solanum lycopersicum) is caused by four species of Xanthomonas. The disease causes significant yield losses and a reduction in fruit quality. Physiological races have been described with tomato race 3 (T3) corresponding to strains of Xanthomonas perforans. The breeding line Hawaii 7981 (hereafter H7981) shows a hypersensitive reaction (HR) to race T3 strains conditione...
متن کاملCharacteristics of births to single- and multiple-race women: California, Hawaii, Pennsylvania, Utah, and Washington, 2003.
OBJECTIVES In 2003, California, Hawaii, Pennsylvania, Ohio (for births occurring in December only), Utah, and Washington provided to the National Center for Health Statistics (NCHS) multiple as well as single racial entries that mothers and fathers had reported on birth certificates in accordance with the revised race and ethnicity standards issued by the Office of Management and Budget (OMB) i...
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ژورنال
عنوان ژورنال: American Journal of Sociology
سال: 1914
ISSN: 0002-9602,1537-5390
DOI: 10.1086/212359