2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Meristematic cov ntaub so ntswg muaj nyob rau hauv ntau qhov chaw, suav nrog nyob ze ntawm lub tswv yim ntawm cov hauv paus hniav thiab stems (apical meristems), nyob rau hauv lub buds thiab nodes ntawm stems, nyob rau hauv lub cambium ntawm lub xylem thiab phloem nyob rau hauv dicotyledonous ntoo thiab shrubs, nyob rau hauv lub buds thiab nodes ntawm stems. epidermis ntawm cov ntoo dicotyledonous thiab shrubs (cork cambium), thiab nyob rau hauv pericycle ntawm …
Lub hlwb meristematic pom nyob qhov twg?
Meristems ua rau cov hlwb tsis tshwj xeeb uas muaj peev xwm dhau los ua ib hom cell tshwj xeeb. Lawv tsuas pom yog qee qhov ntawm cov nroj tsuag xws li lub taub ntawm cov cag thiab tua thiab nyob nruab nrab ntawm xylem thiab phloem.
Cov ntaub so ntswg meristematic nyob qhov twg?
Lateral Meristems - Lub lateral meristems yog tam sim no ntawm sab sab ntawm qia thiab hauv paus ntawm tsob ntoo. Cov meristems no pab ua kom lub thickness ntawm cov nroj tsuag. Lub vascular cambium thiab cork cambium yog cov piv txwv zoo ntawm cov ntaub so ntswg meristematic.
Yuav ua li cas cov ntaub so ntswg meristematic pom nyob rau sab lateral ntawm cov nroj tsuag?
Secondary, lossis lateral, meristems, uas pom muaj nyob hauv txhua tsob ntoo ntoo thiab hauv qee cov herbaceous sawv daws yuav, suav nrogvascular cambium thiab cork cambium. Lawv tsim cov ntaub so ntswg los ntawm lub nplhaib ntawm vascular cambium hauv stems thiab cov hauv paus hniav. Cov ntaub ntawv thib ob phloem raws ntug sab nrauv ntawm…
Puas yog lateral meristem ib cov ntaub so ntswg meristematic?
Meristematic cov ntaub so ntswgmuaj cov hlwb uas nquag faib. Lawv yog lub luag hauj lwm rau indeterminate kev loj hlob nyob rau hauv cov nroj tsuag. … Lub lateral meristem yog ib hom meristem uas tshwm sim ntawm thaj chaw ntawm cov nroj tsuag. Yog li, nws yog lub luag haujlwm rau kev loj hlob theem nrab ntawm cov nroj tsuag, piv txwv li qhov nce hauv girth.
Pom zoo:
Puas yog cov hlwb meristematic muaj cov phab ntsa ntawm cov cell thib ob?
Cov phab ntsa ntawm cov hlwb meristematic yog hom feem ntau raug xaiv los ua cov phab ntsa thawj (Bailey, 1940). Kev saib xyuas zoo tshaj plaws tau muab rau cov phab ntsa ntawm cov hlwb sib txawv ntau dua, tshwj xeeb tshaj yog rau cov hlwb fiber ntau uas muaj kev lag luam tseem ceeb.
Puas muaj cov hlwb meristematic?
Meristematic cov ntaub so ntswg yog cov hlwb lossis pab pawg hlwb uas muaj peev xwm faib. … Meristematic cov ntaub so ntswg yog tus cwj pwm los ntawm cov hlwb me, cov phab ntsa nyias nyias, cov cell nuclei loj, tsis muaj los yog cov vacuoles me, thiab tsis muaj qhov sib txuam.
Puas yog cov hlwb meristematic muaj nucleus?
Meristematic cov ntaub so ntswg yog tus cwj pwm los ntawm cov hlwb me, cov phab ntsa nyias nyias, cov cell nuclei loj, tsis muaj lossis me me vacuoles, thiab tsis muaj qhov sib txuas ntawm tes. Vim li cas cov hlwb meristematic muaj cov nuclei loj?
Puas yog cov paj hlwb genitofemoral yog cov paj hlwb peripheral?
Cov paj hlwb genitofemoral hais txog paj hlwb uas pom hauv plab. Nws cov ceg, ceg ntawm qhov chaw mos thiab cov ceg femoral muab kev nkag siab rau sab sauv sab xub ntiag, nrog rau daim tawv nqaij ntawm lub qhov quav sab hauv ntawm cov txiv neej thiab mons pubis hauv cov poj niam.
Puas yog cov hlwb bulliform muaj nyob rau hauv dicots?
Teb tiav: Bulliform cells lossis lub cev muaj zog muaj nyob nyob rau saum npoo ntawm nplooj ntawm ntau cov monocots. Lawv yog cov loj, npuas-puab epidermal hlwb uas tshwm sim nyob rau hauv pawg nyob rau saum npoo ntawm nplooj ntawm ntau monocots.
