Mapangidwe, Sekondale ndi sukulu
Dziko lapansi: oteteza khungu mbewu kuchokera kunja?
Mu Nkhaniyi muphunzira kuti amateteza chomera selo kunja. ndipo ife tikambirane kapangidwe ambiri selo mbewu, kuwonjezera M'maso wanu. Choncho, kodi amateteza khungu mbewu kuchokera kunja? 3 kalasi maphunziro ambiri ayenera kuonetsetsa kuti kwa ana anu.
Nkhani imeneyi ndi yofunika kwambiri, ana a m'sukulu za pulayimale kale kumvetsa kuti chirichonse mu dziko lathu wapangidwa maselo osiyanasiyana. Iwo ndi nyumba osiyana ndi ntchito. Khola Tingaone kokha ndi maso, choncho ndi wamfupi. Koma pali komanso ang'onoang'ono zigawo otchedwa organelles. Timayamba nkhani yathu nkhani.
Selo chomera: kapangidwe
Choncho, taona kuti selo - ndi gawo la mlengi wa moyo zonse padziko lathuli. Ife sitimangotseka zidzagwa kuchokera kumwamba, ndipo kwa nthawi yaitali zayambika zolengedwa zokhala ndi selo imodzi. Choncho khungu chifukwa cha zamoyo za nkhani wamoyo. thupi mwina akupanga nambala osiyana a iwo - kuchokera 1 mpaka angapo biliyoni. Choncho zikuonekeratu kuti selo pakhale monga thupi zosiyana, ndi ntchito zonse zofunikira.
Choyamba, amateteza khungu mbewu kuchokera kunja. Mukachipinda ali ndi mtundu wa pakhoma, wotchedwa selo nembanemba. Si kulikonse makulidwe chomwecho, mu malo ena, iwo ali pores kudzera imene imatheka kuwombola zinthu pakati pa maselo. Choncho, kodi amateteza chomera selo kuchokera kunja, ife tinapeza.
Mkati ndi:
- protoplast;
- Zotumphukira.
Chachikulu kusiyana kwa zinthu zimenezi ndi kuti protoplast - mankhwala okhala ndi ena ofanana - palibe. Protoplast Zikatero, wapangidwa ndi zigawo izi:
- cytoplasm;
- pachimake.
Pa funso la chimene kuteteza chomera selo kuchokera kunja, yankho talandira, tsopano m'pofunika kuganizira kapangidwe ndi ntchito ya khoma selo.
khoma selo
Pamene kuyerekeza zomera ndi nyama maselo zindikirani kuti makoma kumasulira selo zitha kukhala zomera. Iye ali ndi dongosolo m'malo olimba, monga amachita ena ntchito zofunika kwambiri, zomwe tikukambirana pa gawo la pafupi. Imodzi mwa ntchito takambirana kale mu mitu ya nkhani wa nkhani: chimateteza selo mbewu kuchokera kunja. Kwenikweni, izo wapangidwa ndi mapadi. Komanso, pali maselo amene alibe Kakhungu ichi, iwo anali kutchedwa - protoplast.
Kodi wina n'kofunika kuunikila kapangidwe ka makoma? Kumene, pamaso pa pores. Pores zimapanga zamkati kwa anzake ndipo thupi pakati pa maselo pafupi.
ntchito
Nkhani yomaliza ya ntchito yathu ndi kusankha ntchito zonse kuchitidwa ndi mpanda woteteza chomera maselo. Tikupereka atchule iwo mu mndandanda:
- mphamvu mawotchi;
- Kuchitira;
- kulimba kwamakokedwe ndi kukula;
- kukula lamulo;
- mitundu lamulo;
- kondakitala madzi ndi mchere;
- Madzi imfa kupewa;
- kuchepetsa selo malowedwe mabakiteriya oipa;
- wothandizila mayendedwe;
- katundu hemicellulose;
- katundu cations.
Monga mukuonera, mbali mwa makoma ndi lalikulu.
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