منابع مشابه
Computing an organism.
T ‘‘social amoebae’’ of species Dictyostelium discoideum roam individually through the soil as long as their bacterial food is present. The social phase for these cellular slime molds begins when the food supply is exhausted. After some hours, the assemblage of amoebae aggregate into several large groups, each of which forms a worm-like slug that propels itself toward heat and light. This bring...
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Objective: Chronic constipation is frequently observed in postmenopausal women. An herbal combination including clover plants, Roman anis or Anisone, green anis or fennel, green raisins, Alhagi maurorum, violets, Terminalia chebula, senna and golqand has been introduced in traditional books as an effective laxative. Thus, the present study aimed to assess the effectiveness of t...
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A number of unique challenges arise in fabricating and assembling complex mechanisms at the meso-scale (hundreds of microns to centimetres). In general, for a complex multi-part mechanism at this length scale, no single machining technique can produce all the necessary parts—or often even a single individual part. Towards developing a comprehensive set of ‘best practices’ for combining multiple...
متن کاملEvolution: What Is an Organism?
Defining an organism has long been a tricky problem for biologists. Recent work has shown how an approach based on adaptation can solve this problem, giving a conceptually simple two-dimensional measure of 'organismality'.
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So, 21 CFR 211.113 limits the discussion to “products not required to be sterile” and 21 CFR211.84 states that the concern is “microbiological contamination that is objectionable in view of its intended use” leaving 21 CFR 211.165 to require lab testing relevant to “drug product required to be free of objectionable microorganisms”. This clearly defined concept of an “objectionable” organism the...
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ژورنال
عنوان ژورنال: Journal of Bacteriology
سال: 1934
ISSN: 0021-9193,1098-5530
DOI: 10.1128/jb.28.1.41-43.1934