Dab tsi yog cov xwm txheej tseem ceeb ntawm telophase?
Dab tsi yog cov xwm txheej tseem ceeb ntawm telophase?

Video: Dab tsi yog cov xwm txheej tseem ceeb ntawm telophase?

Video: Dab tsi yog cov xwm txheej tseem ceeb ntawm telophase?
Video: Qhov Tseeb Xwm Kab Los Yej - Dab Vaj Dab Tsev Part 5 2024, Kaum ib hlis
Anonim

Cov Cov xwm txheej tseem ceeb ntawm telophase suav nrog kev rov tshwm sim thiab nthuav dav ntawm nucleolus, kev loj hlob ntawm tus ntxhais nuclei rau lawv qhov loj me me, decondensation ntawm chromatin uas ua rau lub ntsej muag ci dua ntawm cov nuclei nrog theem-qhov sib txawv optics, thiab lub sijhawm nrawm, postmitotic nuclear migration thaum lub sijhawm

Tsuas yog li ntawd, 4 yam uas tshwm sim thaum lub sij hawm telophase yog dab tsi?

Telophase . Thaum lub sij hawm telophase , cov chromosomes pib uncoil thiab tsim chromatin. Qhov no npaj cov khoom siv caj ces rau tswj cov kev ua haujlwm metabolic ntawm cov hlwb tshiab. Lub spindle kuj tawg, thiab cov ntaub ntawv tshiab nuclear (nuclear hnab ntawv) daim ntawv.

Qhov thib ob, vim li cas telophase tseem ceeb? Cell faib yog ib qho tsis tshua muaj tseem ceeb ib feem ntawm txoj kev loj hlob ntawm tag nrho cov hlwb ntawm tag nrho cov kab mob, nrog rau tib neeg, tsiaj txhu thiab nroj tsuag. Telophase yog theem kawg ntawm kev faib cell ua ntej cytokinesis tshwm sim los faib cov hlwb rau hauv cov menyuam ntxhais.

Yog li ntawd, dab tsi yog txheej txheem ntawm telophase?

Telophase yog theem tsib thiab zaum kawg ntawm mob mitosis , cov txheej txheem uas cais cov noob caj noob ces duplicated nqa nyob rau hauv lub nucleus ntawm niam txiv cell mus rau hauv ob zoo tib yam ntxhais cell. Telophase pib thaum lub replicated, khub chromosomes tau sib cais thiab rub mus rau opposite sab, los yog ncej, ntawm tes.

Dab tsi yog cov xwm txheej tseem ceeb ntawm metaphase?

Metaphase . Chromosomes kab nyob rau hauv metaphase phaj, nyob rau hauv nro los ntawm mitotic spindle. Ob tug viv ncaus chromatids ntawm txhua tus chromosome raug ntes los ntawm microtubules los ntawm cov ncej spindle. Hauv metaphase , lub spindle tau ntes tag nrho cov chromosomes thiab lined lawv nyob rau hauv nruab nrab ntawm lub cell, npaj txhij los faib.

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