2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Meristems yog thaj chaw ntawm cov hlwb tsis tshwj xeeb hauv cov nroj tsuag uas muaj peev xwm faib cov cell. Meristems ua rau cov hlwb tsis tshwj xeeb uas muaj peev xwm dhau los ua ib hom cell tshwj xeeb.
Puas yog cov ntaub so ntswg meristematic tshwj xeeb?
Meristems tsim cells sai sai sib txawv, lossis tshwj xeeb, thiab ua cov ntaub so ntswg mus tas li. Cov hlwb no ua haujlwm tshwj xeeb thiab poob lawv lub peev xwm los faib ntxiv. … Cov ntaub so ntswg yog ib qho piv txwv ntawm cov ntaub so ntswg complex, thiab yog ua los ntawm ob lub cev tshwj xeeb cov ntaub so ntswg: xylem thiab phloem.
Meristem cells puas tuaj yeem tsim tshwj xeeb?
Raws cov noob hlwb loj tuaj, lawv kuj dhau los ua tshwj xeeb rau hauv ntau hom cell los ntawm kev sib txawv ntawm tes. … Meristem yog ib hom cog cov ntaub so ntswg uas muaj cov hlwb uas tsis muaj qhov sib txawv uas tuaj yeem faib thiab sib txawv.
Yuav ua li cas ua mitosis?
Meristems yog cheeb tsam hauv cov nroj tsuag uas muaj mitosis tshwm sim. Apical meristems yog nyob rau ntawm cov lus qhia ntawm tua thiab cov hauv paus hniav thiab pab txhawb rau qhov ntev. … Lwm yam meristems-intercalary, pericycle, fascicular-yog ib cheeb tsam ntawm active mitosis thiab pab kom loj hlob nyob rau hauv ntau yam nroj tsuag kab mob.
Puas yog meristems txawv?
Tus tua apical meristem muaj cov hlwb uas tau txais kev loj hlob tsis tu ncua thiab kev faib tawm los tsim cov tsev thaiv rau qhov chaw dav hlau ntawm cov nroj tsuag. Raws li cov cell tawm ntawm meristem,lawv undergo kev sib txawv los tsim cov hom cell tshwj xeeb. … Nyob rau tib lub sijhawm, cov hlwb tau nthuav dav los ntawm kev nqus pa.
Pom zoo:
Puas yog phagocytes tshwj xeeb lossis tsis tshwj xeeb?
Enzymes pom hauv lub cell ces zom cov kab mob txhawm rau txhawm rau rhuav tshem nws. Raws li phagocytes ua li no rau tag nrho cov kab mob uas lawv ntsib, lawv hu ua tsis tshwj xeeb. Puas yog phagocytes ib feem ntawm cov tshuaj tiv thaiv kab mob tshwj xeeb lossis tsis tshwj xeeb?
Puas yog tshwj xeeb thiab tshwj xeeb?
Raws li lub npe qhov txawv ntawm kev tshwj xeeb thiab kev tshwj xeeb. yog tias kev tshwj xeeb yog thaum tshwj xeeb yog txheej txheem tshwj xeeb. Qhov twg yog Qhov Tshwj Xeeb lossis Tshwj Xeeb? "Specialisation" thiab "
Vim li cas cov duab peb sab tshwj xeeb tshwj xeeb?
Kev paub txog kev sib raug zoo ntawm cov ces kaum lossis qhov sib piv ntawm ob sab ntawm cov duab peb sab tshwj xeeb tso cai rau ib tus kom sai sai suav ntau qhov ntev hauv cov teeb meem geometric yam tsis muajsiv rau ntau txoj hauv kev. Puas yog daim duab peb sab tshwj xeeb?
Puas yog cov txiaj ntsig tshwj xeeb - feem ntau cov khoom tsis yog nyiaj - rau cov thawj coj?
phiaj xwm txhawb nqa lub koom haum tuaj yeem siv cov tswv cuab hauv lub koom haum los muab nqi zog rau cov neeg ua haujlwm. … Yog tias tus nqi lag luam ntawm cov khoom lag luam tshaj tus nqi siv zog, cov neeg ua haujlwm tuaj yeem siv qhov kev xaiv thiab yuav cov Tshuag.
Puas yog nws tsis yog ib txwm muaj lossis tsis yog?
Raws li adjective qhov txawv ntawm untraditional thiab nontraditional. yog hais tias untraditional tsis yog ib txwm, los yog tawm ntawm kev lig kev cai thaum tsis yog ib txwm tsis yog ib txwm; tsis cuam tshuam txog kev lig kev cai. Koj puas hyphenate nontraditional?
