Hanganga, Mātauranga Tuarua me ngā kura
Leucoplasts mahi. leucoplasts Avilable
Ko tētahi o nga huru o māngai o te kingitanga tipu ko te aroaro i roto i to ratou pūtau o hanganga motuhake - plastids. ngā ratou chloroplasts, chromoplasts me leucoplasts, hanganga me ngā mahi o nei e lāulea ki i roto i to tatou tuhinga.
He aha te mea te plastids
ka karanga organelles plastids o te tipu ngā pūtau, harore me etahi kararehe pūtau. häunga tenei kuao āhua e whai he hanganga āhua-motuhake. E taea e ki te interconvert tetahi ki tetahi ratou. Hei tauira, leucoplasts, hanganga me ngā mahi o e tauiraa i raro i te mana o te rā tika e tahuri ki chloroplasts. E rave rahi, e pupuri ana e kōpura potato zeleneeyut. Ko te hua o taua te huringa mīharo tenei. Otiia ki te whakamahi i te hua taua i roto i te kai e kore e he utu reira. Fakataha ki chloroplasts i roto i ngā kōpura rongoa paihana - te solanine pāhare. Ka taea e meinga te reira i nui paihana kai, me te he rawa kino mō ngā tamariki.
I roto i te maoa o hua me huawhenua puta hoki interconversion o plastids. Anake i roto i tenei take e hanga e i leucoplasts chromoplasts whakatau i te tae o ngā wāhanga ngā o te tipu: kōwhai, whero, māwhero, he papura, a na runga i ..
momo o plastids
Leucoplasts plastids chromoplasts, rerekē chloroplasts i rua i te hanganga me te mahi whakamana. Ko te tākaro ratou katoa he wāhi nui, me te koha. Ko te kaha ki te hoatu te tae ki ngā wāhanga ngā o te tipu e tika ana ki te meka e roto i chromoplasts ngā uhi - colorants.
Corolla puawai kanapa o te nuinga o ngā otaota - tohu angamaheni o taua. he tae pērā ki te puawai kakara tohoakii pepeke mō te ruingahae me te kikiritanga e mua te hanganga o nga hua.
Kei roto plastids Green te chlorophyll ngarahu, e whakatau tona tae. Ko te aroaro o tenei rauemi (me ki te hauhā, te wai me te rā) ko he tikanga matua mo te rere o te tukanga ahotakakame. I roto i tona akoranga hanga otaota warowaihā me te hāora. Ko te tuatahi ko te hoki a ratou he puna o te kai tōtika, tupu me te whanaketanga. He hāora hau taata ora katoa, i huakita ki te tangata, kei te whakamahia hoki te kupukupu.
leucoplasts hanganga
Leucoplasts he organelles taekore. E ratou he āhua porohita. pūnaha membrane i roto i whakawhanakehia kaua ngonge. Ka taea e te āhua rerekē i runga i te he anake, no te i roto i to ratou cytoplasm timata ki te hanga i te purapura māngaro makona nui. Leucoplasts plastids roto i tōkena ake te matua kiko whakato. ngā te reira i te pūtake mō ngā whakarerekētanga ki te manga - kōpura, topuku, rhizomes. leucoplasts mahi me tautuhia e taua āhuatanga o ratou hanganga. I roto i enei organelles taea kōhao whakaemi maha ngā matūkai faufaa. Leucoplasts rite plastids katoa he organelles dvuhmembrannymi. Heoi, e kore e te roto anga hanga protrusions motuhake roto hanganga.
Leucoplasts - pūtau eukaryotic. Tenei te tikanga e i roto i to ratou rāpoi DNA cytoplasm e kawe ngā mōhiohio iranga i roto i roto i te matua whakapaipai.
leucoplasts mahi
He motuhake ēnei plastids. Tei runga i te momo, e taea ana ki te whakaemi me te synthesize ngā momo o ngā matū waro ratou. Hei tauira, i roto i te warowaihā māngaro amyloplasts. he angamaheni hoki otaota katoa tēnei rauemi, rite i hanga i te kūhuka, i whiwhi i te ahotakakame. hua Oleoplasty me ngako taonga. E kitea ana hoki te ngako wai i roto i te tahi mau pūtau tipu me te e huaina hinu. Proteinoplast Kei roto pūmua. Ai taua mahi ko te leucoplasts hanganga. I tua atu kōhao hiahiatia mō te kararehe me te rokiroki o ngā matū i roto i ratou whākōkī. E taea e ki te whakatere tauhohe matū māori ēnei kaiwhakakökï koiora, engari he kore wahi o ratou hua. I raro i te mana o, mo te tauira, i hanga te māngaro warowaihā kūhuka hukarau ohie te. whakatika, no te tikanga e he kino mo te rere o te ahotakakame, piri ano ia ki waetahi, ka whakamahia mō ngā tukanga tipu ora.
Kei hea he leucoplasts
Mai leucoplasts te mahi matua - ko te haaputuputuraa o matū, e roto i enei organelles i roto i nga wahi thickened me kikokiko o te tipu. Ngā taonga i roto i te kōpura potato. taea ki te whakahaere tauhohenga kounga ki māngaro i roto e te i roto i ona leucoplasts ia ākonga he. Ki te mahi i tenei, Me tika ki te hoatu i runga i te wāhanga hou o te torutoru pata o otinga konutawa. I raro i tona mana ki tenei plastids taekore whiwhi he tae papura taonga. Ka taea te kite ratou i raro i te karu noa i whārahinga iti.
He maha leucoplasts hoki te umanga o te tipu. Nā ki te supply nui o te wai me te warowaihā e taea ki te heke wā raro kino o te matewai, huka me te wera taua pakiaka. I te wa ano teitei he wahi iti o te tipu mate me te noho tonu i te mawhiti whakarerekētia taea. Hei tauira, ki te tulip i o te wā wiki te tokorua tupu me ottsvesti. Na ka i roto i to ratou umanga kohikohi warowaihā i hanga i roto i te ahotakakame wahi matomato o ngā tipu puna.
Ko ratou kahore okotahi me rhizomes. Te tangata e matau pehea uaua ko reira ki te pehea o ngā tarutaru. e kore e ratou ara wehi o tauraki nui, nga rau, me te hiti mai i runga ake i te whenua. Ko te mea, ko te e te whakato iho whakawhanake i raro i te whenua i roto i te puka o te thickened mawhiti whakarerekētia ki internodes elongated. Oku i ai e he leucoplasts nui nui, a konei te supply o matū.
Ko te endosperm o purapura, pua fungal, ova tipu teitei mahi ratou mahi he reira e tika ana ki te aroaro o plastids raraunga.
leucoplasts Origin
leucoplasts tonu te aroaro i roto i te kiko embryonic o kaiao tipu huakore. A i hanga e ratou nga proplastids pera-ka karanga. Enei hanganga Ko nga aritarita o enei organelles katoa. I te tīmatanga, kua tū ratou i roto i te meristem - te papanga mātauranga otaota. He mōkitokito i roto i te rahi ki runga ki te 1 micron Proplastids corpuscles. Ko te te mekameka katoa o te interconversion o enei pūtau organel tipu tīmata ki a ratou.
Ko te kupu, ko te mahi matua, ko te ki te leucoplasts kōtuitanga, whakaeminga me te rokiroki o ngā momo rerekē o ngā matū waro e tika ana mo te oraraa o kaiao ora.
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