منابع مشابه
Geochemical Factors Affecting Plant Growth in Reclamation
Reclamation under the strict requirements of the federal Surface Mining Control and Reclamation Act of 1977 requires a high level of knowledge of plant growth r e q u i r e m e n t s in r e l a t i o n to geochemical factors on each mine site. A desirable reclamation goal would be to consider all feasible alternatives for creating productive soils and attractive landscapes. The raw materials fo...
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The Arabidopsis petal is a simple laminar organ whose development is largely impervious to environmental effects, making it an excellent model for dissecting the regulation of cell-cycle progression and post-mitotic cell expansion that together sculpt organ form. Arabidopsis petals grow via basipetal waves of cell division, followed by a phase of cell expansion. RABBIT EARS (RBE) encodes a C2H2...
متن کاملBeta Alanine as a Growth Accessory for the Diphtheria Bacillus.
In a series of studies carried out in this laboratory (Mueller, 1935, and Mueller and Kapnick, 1935), it has been shown that various strains of diphtheria bacilli grow heavily upon media containing only amino acids in place of peptone, and a considerably purified liver extract in place of meat infusion. Suitable inorganic salts and a source of energy such as glycerol or lactic acid must be adde...
متن کاملGrowth Accessory Substances for Pathogenic Bacteria in Animal Tissues
The growth of all the pathogenic bacteria studied was favorably influenced by the addition of small amounts of tissue extracts. Beef heart, rabbit and cat tissues, and human nasal secretions contain substances favorable to the growth of the organisms tested. The mucosa of different organs, spleen, liver, and kidney, are relatively rich in these substances, while muscle is relatively poor. The f...
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Many of the biochemical details of nucleotide excision repair (NER) have been established using purified proteins and DNA substrates. In cells however, DNA is tightly packaged around histones and other chromatin-associated proteins, which can be an obstacle to efficient repair. Several cooperating mechanisms enhance the efficiency of NER by altering chromatin structure. Interestingly, many of t...
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ژورنال
عنوان ژورنال: Biochemical Journal
سال: 1917
ISSN: 0306-3283
DOI: 10.1042/bj0110007