korzenie włoskowate
English translation: root hairs
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| 14:59 Dec 26, 2014 |
| Polish to English translations [PRO] Science - Biology (-tech,-chem,micro-) | |||||||
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|  Selected response from: Jacek Kloskowski United States Local time: 13:34 | ||||||
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| Summary of answers provided | ||||
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| 3 | capillary roots |
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| 2 | root hair |
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| Summary of reference entries provided | |||
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| root hair |
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| Discussion entries: 4 | |
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Answers
28 mins confidence: 
root hair Explanation: A root hair, the rhizoid of a vascular plant, is a tubular outgrowth of a trichoblast, a hair-forming cell on the epidermis of a plant root. As they are lateral extensions of a single cell and only rarely branched, they are invisible to the naked eye. They are found only in the region of maturation of the root. (...) Function The function of root hairs is to collect water and mineral nutrients present in the soil and take this solution up through the roots to the rest of the plant. As root hair cells do not carry out photosynthesis they do not contain chloroplasts. Formation Root hair cells are outgrowths at a tip of the plants roots. Root hair cells vary between 15 and 17 micrometres in diameter, and 80 to 1,500 micrometres in length. [1] They are found only in the zone of maturation, and not the zone of elongation, possibly because any root hairs that arise are sheared off as the root elongates and moves through the soil. http://en.wikipedia.org/wiki/Root_hair# |
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Notes to answerer
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13 mins confidence:
capillary roots Explanation: Proposition, based on the meaning of włoskowate. -------------------------------------------------- Note added at 2 hrs (2014-12-26 17:39:18 GMT) -------------------------------------------------- In the method utilizing the Ti plasmid of Agrobacterium, the target gene is introduced into a plant host by utilizing the characteristic that, upon infection of plants by bacteria belonging to the genus Agrobacterium, a part of the plasmid DNA of the bacteria is transferred into the plant genome. Among the bacteria belonging to the genus Agrobacterium, Agrobacterium tumefaciens infects plants and forms tumors referred to as crown galls. Agrobacterium rhizogenes infects plants to generate capillary roots. http://www.google.com/patents/US20090282582 ccccccccccccccccccccccccccccccccccc These bacteria increase lateral and capillary roots and their intake level for water and nutrients by changing of root system morphology and physiology http://world-food.net/download/journals/2012-issue_3&4/78.pd... ccccccccccccccccccccccccccccccccccccc -------------------------------------------------- Note added at 2 hrs (2014-12-26 17:43:45 GMT) -------------------------------------------------- rhizogenes infects a plant, it incites generation of a capillary root. http://www.google.com/patents/US20050091711 ccccccccccccccccccccccccccccccccccccccccc -------------------------------------------------- Note added at 2 hrs (2014-12-26 17:46:34 GMT) -------------------------------------------------- Capillary comes from the Latin word capillaris, meaning "of or resembling hair." The meaning stems from the a tiny, hairlike diameter of a capillary. While capillary is usually used as a noun, the word also is used as an adjective, as in "capillary action," in which a liquid is moved along — even upward, against gravity — as the liquid is attracted to the internal surface of the capillaries. http://www.vocabulary.com/dictionary/capillary |
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Reference comments
43 mins |
| Reference: root hair Reference information: Nod gene expression is induced by the presence of certain flavonoids in the soil, which are secreted by the plant to attract the bacteria. These chemicals induce the formation of NodD, which in turn activates other genes involved in the expression of nod factors and their secretion into the soil. Nod factors induce root-hair curling such that it envelops the bacterium. This is followed by the localized breakdown of the cell wall and the invagination of the plant cell membrane, allowing the bacterium to form an infection thread and enter the root hair - http://en.wikipedia.org/wiki/Nod_factor |
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