Qhov Tseem Ceeb - Prophase vs Metaphase
Prophase yog thawj theem thiab metaphase yog theem thib ob ntawm M theem hauv lub voj voog ntawm tes. Qhov sib txawv tseem ceeb ntawm prophase thiab metaphase yog tias, hauv prophase, chromosomes condense thiab cov ntaub ntawv spindle fibers thaum, nyob rau hauv metaphase, chromosomes kab nyob rau hauv nruab nrab ntawm lub cell thiab centromeres txuas rau spindle fibers.
Cell voj voog yog hais txog cov xwm txheej tshwm sim hauv lub xovtooj mus txog thaum nws tsim cov hlwb tshiab. Interphase, M theem thiab cytokinesis yog peb theem loj ntawm lub voj voog ntawm tes. Mitotic theem lossis theem M piav qhia txog kev faib tawm ntawm lub xov tooj ntawm tes. M theem pib ntawm plaub theem tseem ceeb xws li prophase, metaphase, anaphase thiab telophase. Prophase yog thawj theem ntawm M theem nyob rau hauv uas cell nres kev loj hlob thiab pib mus rau nuclear faib. Prophase yog ua raws li metaphase thiab thaum lub sij hawm metaphase homologous chromosomes yog teem rau hauv nruab nrab ntawm lub cell (equatorial phaj), thiab spindle fibers yog txuas mus rau chromosomes ntawm lub centromeres.
Prophase yog dab tsi?
Prophase yog ib theem ntawm mitotic theem ntawm meiosis thiab mitosis. Nws yog thawj theem nyob rau hauv lub cell pib nws nuclear faib. Thaum lub sij hawm prophase, chromatin tshwm nyob rau hauv daim ntawv tuab thiab condensed. Chromatin hloov mus rau hauv cov chromosomes discrete. Tom qab ntawd, tus muam chromatids ntawm txhua tus chromosome tshwm.
Daim duab 01: Prophase
Tsis tas li ntawd, cov ntaub so ntswg nuclear tawg, thiab spindle fibers tsim ntawm ob tug ncej ntawm tes. Cov khoom siv tsis pom kev caj ces yuav pom nyob rau hauv lub tshuab kuaj kab mob thaum lub sijhawm prophase ntawm lub voj voog ntawm tes. Muaj ib qho prophase hauv mitosis thaum muaj ob prophase hauv meiosis.
Metaphase yog dab tsi?
Metaphase yog theem thib ob ntawm theem M. Metaphase pib ntawm prophase, thiab nws ua raws los ntawm anaphase. Thaum lub sij hawm metaphase, homologous chromosomes kab ntawm lub phaj metaphase los yog qhov chaw ntawm lub cell. Nuclear membrane disappears kiag li. Ob khub ntawm centrioles aligns ntawm ob tug ncej. Spindle fibers txuas los ntawm ncej mus rau chromosomes thiab txuas mus rau centromeres ntawm chromosomes.
Daim duab 02: Metaphase
Metaphase yog theem tseem ceeb ntawm kev faib cell. Yog hais tias homologous chromosomes kab ua tsis ncaj ncees lawm, cov ntxhais cell yuav tau txais ib qho txawv txav ntawm chromosomes uas tuaj yeem ua rau muaj kab mob caj ces. Yog li ntawd, lub xov tooj ntawm tes ua kom paub tseeb tias cov chromosomes yog lined kom zoo, thiab spindle fibers raug txuas nrog cov centromeres.
Dab tsi yog qhov zoo sib xws ntawm Prophase thiab Metaphase?
- Ob leeg prophase thiab metaphase yog ob theem ntawm M theem ntawm lub voj voog ntawm tes.
- Ob theem tuaj yeem pom hauv meiosis thiab mitosis.
- Ob theem tseem ceeb heev rau kev faib cell.
- Nyob rau hauv ob theem, lub cell tsis loj hlob.
- Muaj ob qhov kev tshaj tawm thiab ob qhov piv txwv hauv meiosis.
- Muaj ib qho prophase thiab ib qho metaphase hauv mitosis.
- Nyob rau hauv ob theem, lub nuclear membrane tawg.
Qhov txawv ntawm Prophase thiab Metaphase yog dab tsi?
Prophase vs Metaphase |
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| Prophase yog thawj theem ntawm M theem uas chromatids condense, thiab tus muam chromatids tshwm, thiab spindle fibers daim ntawv. | Metaphase yog theem thib ob ntawm theem M uas chromosomes kab nyob rau hauv nruab nrab ntawm tes txuas rau spindle fibers. |
| taug qab los ntawm, | |
| Prophase yog ua raws li metaphase. | Metaphase yog ua raws li anaphase. |
| Lub Ncauj tshwm sim | |
| Thaum lub sijhawm prophase, chromatin condenses rau hauv chromosomes, lub hnab ntawv nuclear tawg, thiab spindles tsim ntawm qhov "ncej" ntawm tes.. | Thaum lub sijhawm metaphase, spindle loj hlob tag nrho, thiab cov chromosomes ua raws ntawm cov phaj metaphase, cov ntaub so ntswg nuclear ploj tag. |
| Order hauv Cell Cycle | |
| Prophase tshwm sim ntawm interphase thiab metaphase. | Metaphase tshwm sim ntawm prophase thiab anaphase. |
Summary – Prophase vs Metaphase
Cell faib tshwm sim los ntawm peb theem loj xws li interphase, M theem thiab cytokinesis. Thaum lub sij hawm interphase, cell npaj rau lub cell faib los ntawm accumulating as-ham, synthesizing proteins thiab replicating lub DNA. Thaum lub sijhawm M, kev faib tawm nuclear tshwm sim, thiab cytoplasm faib ua ob lub hlwb los ntawm kev tsim ob lub hlwb. M theem pib ntawm plaub theem xws li prophase, metaphase, anaphase thiab telophase. Prophase yog thawj theem ntawm M theem, thiab thaum lub sij hawm prophase, nuclear membrane pib tawg, chromatin condenses rau pom chromatids, spindle fibers daim ntawv thiab chromosomes pib ua khub. Prophase ua raws li metaphase, thiab thaum lub sij hawm metaphase, cov ntaub so ntswg nuclear tawg tag, chromosomes ua raws li cov phaj metaphase, thiab spindle fibers txuas nrog centromeres ntawm chromosomes. Ob theem yog theem tseem ceeb ntawm kev faib cell. Qhov no yog qhov txawv ntawm prophase thiab metaphase.
