MapangidweSayansi

Kodi n'zotheka kukula nthochi popanda phloem?

Kokani chikasu nthochi peel, ndipo mudzakhala ngati iye mokoma amasuntha vertically pamodzi mwana wosabadwayo. Pa nthochi zakupsa amalekanitsa mosavuta kwambiri, iwo okhwima pang'ono - ndi zovuta. Chabwino, Mulimonsemo, iye sufunika.

Koma palinso ndi zosasangalatsa mitsempha yoyera nthochi kapena ngati kulankhula mawu kwachilengedwenso, 'phloem mitolo. dzina kulakalaka kwambiri, sichoncho?

ndi phloem Kodi

Ngati zikuoneka kuti mawu akuti "phloem" Inu mukudziwa, mwina chifukwa mabuku a sukulu mfundo pa phloem ndi xylem. mawu awa awiri kufotokoza zovuta minofu yomwe zakudya zoyendera ndi madzi ndi mbewu. N'zofunika kwa kukula kwa zomera ndi zipatso zake.

Ndipotu, izi chowopsya zingwe zofewa kugawa zakudya mmwamba ndi pansi nthochi monga ilo limakula, amene amalola kuti tikhale ndi zipatso zokoma, ambiri ali amakonda.

Anthu ena kwambiri kudana mitolo awa a phloem kuti ngakhale zoyenera nkhani imeneyi amakhala lonse. Koma kodi anthu afunika kudziwa za phloem kwambiri? Mwina katswiri nthochi akanakhoza kufotokoza zambiri za mfundo zina zabwino.

Maganizo a katswiri mu munda wa umagwirira

Pofuna kupeza mayankho a mafunso anu, atolankhani The Huffington Post analankhula ndi Dr. Nicholas D. Gillittom, katswiri m'dera la umagwirira thupi zochita kupanga. Iye alinso wotsatila mutsogoleli wadziko kafukufuku ndi mkulu wa zakudya pa Institute of Dole Food.

Choncho, ngati mtengo wa zakudya pali kusiyana pakati pa mitolo ya phloem ndi otsala a mbali edible chipatso, ngati nthochi ndi?

Gillitt anati: "Ngakhale asayansi phloem mitolo ali mwachindunji anayesedwa, zikuoneka kuti kupatsa thanzi adzakhala osiyana. Ichi ndi chifukwa chakuti iwo apangidwa kuchita ntchito yapaderadera, ndipo zimenezi ndi dongosolo lolozeka zothandiza ntchito imeneyi. Ndizosachita kunena kuti adzakhala nawo zikuchokera lolingana zikuchokera alipidwa edible zamkati nthochi. Komanso zikuoneka kuti mitolo phloem muli ambiri osiyanasiyana ulusi ndi mbali structural koyenera kuti kugwira ntchito zawo. Chifukwa cha ichi iwo mosakayikira zina michere zikuchokera. Komabe, iwo alipo ndalama ochepa poyerekeza otsala a nthochi kuti ngati iwo sadya mokha, sikungawononge ubwino wonse zakudya chipatso. "

Kodi phloem bwino?

Kodi mitolo phloem bwino? Funso Gill anati: "Ambiri, onse chipatso si chakupha. Anthu kudya maapulo peel, mapeyala ndi zina zotero. D., Ndipo iwo akhoza kukhala ndi zikopa za nthochi, kuphatikizapo mitolo ya phloem, ngati kovomerezedwa. Sayansi si umboni uliwonse kuyenera kuti zimawononga thupi. CHIKWANGWANI aliyense akhoza zimachitika angapo zakudya wathanzi. "

Guillen limati ambiri, sanalandire madandaulo iliyonse yaikulu kwa ogula pa mitolo phloem. Ku maganizo a sayansi, amene anakhala ndi mayesero ambiri matenda ndi mazana a nkhani, kudya kwambiri nthochi pa phunzirolo, zikhoza motsimikiza kuti sichinayambe lipoti chochitika chimodzi omwe mutu Angamvetse kuti mitolo ya phloem ndi ngozi za umoyo.

Kodi n'zotheka kukhala ndi nthochi popanda phloem?

Izi ndi chidwi kwambiri funso. Wasayansi amanena kuti zingakhale zotheka. Koma ngati mitolo phloem ndi zofunika ndi kugawa zokwanira zakudya lonse chomera, ndipo si kwenikweni kuthetsa, ndiye an'dzacosa kukula kwa nthochi chiyani? Ku maganizo a akuluakulu a kampani kuonjezera kupeza chakudya wathanzi, ayenera kutenga njira zofunika kwambiri kuchita kafukufuku mu kuswana mitundu matenda zosagwira nthochi kuti akanaikamo zakudya mkulu.

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