Video: Yuav ua li cas tshwm sim thaum interphase hais txog DNA uas tseem ceeb rau kev faib cell?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Thaum lub sij hawm interphase , a cell nce nyob rau hauv loj, synthesis tshiab proteins thiab organelles, replicates nws chromosomes, thiab npaj rau cell faib los ntawm kev tsim spindle proteins. Ua ntej cell faib , chromosomes replicated, kom txhua chromosome muaj ob zoo tib yam "viv ncaus" chromatids.
Ua raws li qhov no hauv kev xav, vim li cas DNA replication tseem ceeb thaum lub sij hawm interphase?
The S Phase of Interphase S theem ntawm lub voj voog ntawm tes tshwm sim thaum lub sij hawm interphase , ua ntej mitosis los yog meiosis, thiab yog lub luag hauj lwm rau cov synthesis los yog rov ua dua ntawm DNA . Lub hom phiaj ntawm cov txheej txheem no yog tsim kom muaj ob npaug ntawm tus nqi DNA , muab lub hauv paus rau chromosome teeb ntawm cov ntxhais cell.
Ib tug kuj yuav nug, dab tsi tshwm sim rau DNA hauv txhua theem ntawm mitosis? Thaum lub sij hawm S theem , duplicate luam ntawm txhua chromosome yog synthesized. Tom qab interphase tiav, mob mitosis tuaj yeem pib. Thawj kauj ruam yog prophase. Thaum lub sij hawm prophase, lub hnab ntawv nuclear nyob ib puag ncig DNA pib ploj mus thiab DNA condenses rau hauv chromosomes.
Tsis tas li ntawd paub, yuav ua li cas tshwm sim thaum lub sij hawm interphase ntawm cell division?
Interphase hais txog txhua theem ntawm cov cell voj voog lwm yam tsis yog mitosis. Thaum lub sij hawm interphase , cellular organelles ob npaug ntawm tus lej, DNA replicates, thiab protein synthesis tshwm sim . Cov chromosomes tsis pom thiab DNA tshwm li uncoiled chromatin.
Interphase cuam tshuam li cas rau mitosis?
Interphase yog qhov ntev tshaj plaws ntawm lub voj voog ntawm tes. Qhov no yog thaum lub cell loj hlob thiab luam nws cov DNA ua ntej tsiv mus rau hauv mob mitosis . Thaum mob mitosis , chromosomes yuav sib dhos, sib cais, thiab txav mus rau hauv cov menyuam ntxhais tshiab. Lub prefix inter- txhais tau tias ntawm, yog li ntawd interphase tshwm sim ntawm ib qho mitotic (M) theem thiab tom ntej.
Pom zoo:
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