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Central and northern asia

Back to Central and Northern Asia: A.D. 701 to 800

Islam and China each dominated large portions of Central Asia at this time. Chinese porcelain has been found, dating to this period, in Tarsus and Cairo, apparently carried from T'ang China through the Tarim Basin and the Pamirs to the mideast trade routes. (Ref. 58 , 8 ) In an area east of a line drawn from the Aral Sea to the south end of the Caspian, then designated as "eastern Persia", the separate Tahirid Dynasty ruled in the early century. Near the end of the era the northern part was ruled by the Samanid Emirate and the southern by the Saffarid Emirate (874) from Persia, proper. By A.D. 900, however, the Samanids had taken over the entire area. At that time Bokhara and Samarkand rivaled Baghdad as centers of art and learning and the Persian language was used throughout. (Ref. 137 ) Additional Notes

The Uigurs were chased out of Mongolia in A.D. 840 by the Kirghis Turks and the former moved to Turf an in the desert, which is now part of Sinkiang, China, where they reigned for the next 400 years. Those people eventually converted to Islam and later transmitted their script to the Mongols. (Ref. 38 ) The Kirghiz Turks moved on down to take part of Turkistan and developed almost a Persian culture as they adopted the Manichean religion. North of western China were the "Western Turks" and the most western group of these were called "Ghuzz". (Ref. 8 , 137 )

In southern Siberia in the mountainous border area between Mongolia and Manchuria, just south of Lake Baikal, were forest hunters who claimed descent from the Hsiung-nu, but who were more apt to have been related to the Juan-Juan tribes that were in Mongolia in the 5th century. At any rate, these are the Mongols that later were to be the warriors of Genghis Khan and at the end of this 9th century they started to migrate into the Siberian plain around the Onon River. Some remained hunters and fishermen while others became pastoral nomads. The latter became the true Mongols, proper. (Ref. 101 )

At the end of this 9th century huge silver deposits were found in Transoxiania, making it very rich. Its Samanid rulers began to mint vast quantities of large coins, many of which went to Russia, chiefly through the Bulgars on the middle Volga. (Ref. 301 )

Forward to Central and Northern Asia: A.D. 901 to 1000

Questions & Answers

how does Neisseria cause meningitis
Nyibol Reply
what is microbiologist
Muhammad Reply
what is errata
Muhammad
is the branch of biology that deals with the study of microorganisms.
Ntefuni Reply
What is microbiology
Mercy Reply
studies of microbes
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when we takee the specimen which lumbar,spin,
Ziyad Reply
How bacteria create energy to survive?
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Bacteria doesn't produce energy they are dependent upon their substrate in case of lack of nutrients they are able to make spores which helps them to sustain in harsh environments
_Adnan
But not all bacteria make spores, l mean Eukaryotic cells have Mitochondria which acts as powerhouse for them, since bacteria don't have it, what is the substitution for it?
Muhamad
they make spores
Louisiaste
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the significance of food webs for disease transmission
Abreham
food webs brings about an infection as an individual depends on number of diseased foods or carriers dully.
Mark
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Esinniobiwa Reply
Assimilatory nitrate reduction is a process that occurs in some microorganisms, such as bacteria and archaea, in which nitrate (NO3-) is reduced to nitrite (NO2-), and then further reduced to ammonia (NH3).
Elkana
This process is called assimilatory nitrate reduction because the nitrogen that is produced is incorporated in the cells of microorganisms where it can be used in the synthesis of amino acids and other nitrogen products
Elkana
Examples of thermophilic organisms
Shu Reply
Give Examples of thermophilic organisms
Shu
advantages of normal Flora to the host
Micheal Reply
Prevent foreign microbes to the host
Abubakar
they provide healthier benefits to their hosts
ayesha
They are friends to host only when Host immune system is strong and become enemies when the host immune system is weakened . very bad relationship!
Mark
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faisal Reply
cell is the smallest unit of life
Fauziya
cell is the smallest unit of life
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ok
Innocent
cell is the structural and functional unit of life
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is the fundamental units of Life
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Micheal Reply
There are nothing like emergency disease but there are some common medical emergency which can occur simultaneously like Bleeding,heart attack,Breathing difficulties,severe pain heart stock.Hope you will get my point .Have a nice day ❣️
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I think infection prevention and control is the avoidance of all things we do that gives out break of infections and promotion of health practices that promote life
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en français
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ESTHER Reply
Many sites of the body have it Skin Nasal cavity Oral cavity Gastro intestinal tract
Safaa
skin
Asiina
skin,Oral,Nasal,GIt
Sadik
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all
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by fussion
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what are the advantages of normal Flora to the host
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what are the ways of control and prevention of nosocomial infection in the hospital
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part of a tissue or an organ being wounded or bruised.
Wilfred
what term is used to name and classify microorganisms?
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Binomial nomenclature
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Source:  OpenStax, A comprehensive outline of world history. OpenStax CNX. Nov 30, 2009 Download for free at http://cnx.org/content/col10595/1.3
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