Qhov sib txawv tseem ceeb ntawm prokaryotic thiab eukaryotic cell faib yog tias prokaryotic cell faib tshwm sim los ntawm binary fission, thaum eukaryotic cell faib tshwm sim los ntawm mitosis lossis meiosis.
Cell division yog tus txheej txheem uas niam txiv cell faib ua ob lossis ntau dua ntxhais. Nws yog ib feem ntawm lub voj voog loj ntawm tes. Hauv eukaryotes, muaj ob hom kev faib tawm ntawm tes. Eukaryotic cell muaj kev faib tawm ntawm cov cell vegetative hu ua mitosis thiab kev faib tawm ntawm tes hu ua meiosis. Prokaryotes (cov kab mob thiab archaea), ntawm qhov tod tes, feem ntau pom tsuas yog kev faib tawm ntawm tes hu ua binary fission. Prokaryotic thiab eukaryotic cell division yog hom cell division.
Prokaryotic Cell Division yog dab tsi?
Prokaryotic cell division tshwm sim los ntawm binary fission. Prokaryotes yog qhov yooj yim dua li eukaryotes hauv lawv lub koom haum. Lub prokaryotic chromosome yog yooj yim dua rau manipulate tshaj eukaryotic chromosome. Yog li ntawd, nyob rau hauv binary fission, tib DNA molecule (chromosome) nyob rau hauv prokaryote thawj replicates thiab ces txuas txhua daim ntawv mus rau ib tug sib txawv ntawm cov cell membrane. Thaum lub xovtooj ntawm tes pib rub sib nrug, qhov qub thiab rov ua dua chromosomes sib cais. Kev tsim lub nplhaib tsim los ntawm kev rov ua dua ntawm cov protein tshwj xeeb hu ua FtsZ (filamenting kub-sensitive mutant Z) pab qhov kev faib tawm no. Kev tsim ntawm lub nplhaib FtsZ no kuj txhawb kev sib sau ntawm lwm cov proteins uas ua haujlwm sib koom ua ke los tsim ib daim nyias nyias thiab phab ntsa cell ntawm qhov chaw tshwj xeeb. Ntxiv mus, lub septum yog tsim los ntawm tus thawj thiab replicate ib chromosome, uas yog ncua los ntawm lub periphery mus rau qhov chaw ntawm lub cell. Thaum kawg, cov phab ntsa tshiab hauv qhov chaw cais cov ntxhais cell.
Daim duab 01: Prokaryotic Cell Division
Ua raws li cytokinesis (cell splitting), nws tsim ob lub hlwb ntawm cov caj ces zoo tib yam. Txawm li cas los xij, muaj tsawg zaus ntawm kev hloov pauv hloov pauv tshwm sim hauv cov genome prokaryotic. Ib qho ntawm qhov tshwm sim ntawm hom kev yug me nyuam asexual no yog tias txhua yam kab mob hauv ib cheeb tsam muaj kev sib npaug ntawm caj ces. Yog li ntawd, thaum kho cov kab mob, cov tshuaj tua ib tus kab mob kuj yuav tua tag nrho lwm cov tswv cuab ntawm cov clone tshwj xeeb.
Eukaryotic Cell Division yog dab tsi?
Eukaryotic cell division tshwm sim los ntawm mitosis lossis meiosis mechanism. Cov txheej txheem ntawm tes faib hauv eukaryotes yog qhov nyuaj dua li prokaryotes. Eukaryotic cell division muaj ob hom: mitosis thiab meiosis. Mitosis yog qhov sib npaug sib npaug, thiab meiosis yog qhov txo qis. Mitosis yog ib qho txheej txheem uas ib lub xov tooj sib faib ua ob lub hlwb zoo tib yam hauv cov cell faib. Lub luag haujlwm tseem ceeb ntawm mitosis yog tswj kev loj hlob thiab hloov cov hlwb uas tsis muaj zog. Mitosis tshwm sim hauv cov hlwb somatic. Ntawm qhov tod tes, meiosis yog ib daim ntawv tshwj xeeb ntawm kev faib tawm ntawm tes uas tsim cov qe ntshav: phev thiab qe nrog ib daim qauv ntawm txhua chromosome. Kev sib xyaw ntawm cov hlwb sib deev ua rau cov xeeb ntxwv tshiab nrog ob daim ntawv theej ntawm txhua tus chromosome.
Daim duab 02: Eukaryotic Cell Division - Mitosis thiab Meiosis
Tsis tas li ntawd, eukaryotes muaj ntau theem hauv cell faib: interphase, prophase, metaphase, anaphase, telophase, thiab cytokinesis. Interphase yog cov txheej txheem uas lub cell yuav tsum mus ua ntej mitosis, meiosis, thiab cytokinesis. Nws muaj peb theem: G1, S, G2. Lub cell loj hlob, thiab DNA replicates nyob rau theem no. Thaum kawg, cov txheej txheem no npaj lub cell rau kev faib. Lwm cov theem, xws li prophase, metaphase, anaphase, telophase, thiab cytokinesis, yog ib feem ntawm qhov tseeb cell division.
Zoo sib xws ntawm Prokaryotic thiab Eukaryotic Cell Division
- Prokaryotic thiab eukaryotic cell division pab niam txiv cov hlwb faib rau cov ntxhais.
- Ob txheej txheem pab kom muaj sia nyob.
- cov txheej txheem no pab txhawb rau kev hloov pauv loj heev.
- Prokaryotic thiab eukaryotic cell division muaj cov theem sib txawv hauv kev faib cell xws li kev loj hlob ntawm tes, rov ua dua, faib thiab cytokinesis.
Qhov txawv ntawm Prokaryotic thiab Eukaryotic Cell Division
Prokaryotic cell division tshwm sim los ntawm binary fission, thaum eukaryotic cell division tshwm sim los ntawm mitosis los yog meiosis. Yog li, qhov no yog qhov sib txawv tseem ceeb ntawm prokaryotic thiab eukaryotic cell faib. Tsis tas li ntawd, prokaryotic cell faib yog txheej txheem yooj yim, thaum eukaryotic cell faib yog txheej txheem nyuaj dua.
Cov lus qhia hauv qab no qhia ntau qhov sib txawv ntawm prokaryotic thiab eukaryotic cell faib rau ib sab ntawm kev sib piv.
Summary – Prokaryotic vs Eukaryotic Cell Division
Ib lub cell faib ua ob lossis ntau lub hlwb los ntawm kev faib cell. Kev faib tawm ntawm tes yuav tshwm sim ua ib feem ntawm lub voj voog loj ntawm tes. Prokaryotic cell division yog txheej txheem yooj yim thaum eukaryotic cell faib yog txheej txheem nyuaj dua. Ntxiv mus, prokaryotic cell division tshwm sim los ntawm binary fission. Eukaryotic cell division tshwm sim los ntawm mitosis los yog meiosis. Yog li, qhov no qhia txog qhov sib txawv ntawm prokaryotic thiab eukaryotic cell division.
