Vim li cas thiaj muab dna tseem ceeb?

Cov txheej txheem:

Vim li cas thiaj muab dna tseem ceeb?
Vim li cas thiaj muab dna tseem ceeb?

Video: Vim li cas thiaj muab dna tseem ceeb?

Video: Vim li cas thiaj muab dna tseem ceeb?
Video: Tshuaj theem vim li cas thiaj tau nqi ?/ Siv kho mob dab tsi?/paris polyphylla use for? 2024, Hlis ntuj nqeg
Anonim

Thaum mitosis, cov chromosomes condense kom txhua chromosome yog ib chav tsev sib txawv. Ua ntej mitosis, lub xov tooj ntawm tes luam nws DNA kom nws muaj ob daim ntawv theej ntawm txhua tus chromosome. … Condensing DNA mus rau hauv nruj packed chromosomes ua rau cov txheej txheem ntawm chromosome alignment thiab sib cais thaum lub sij hawm mitosis ntau npaum

Lub hom phiaj ntawm DNA condensing rau hauv chromosomes yog dab tsi?

Condensing DNA rau hauv chromosomes tiv thaiv DNA tangling thiab puas thaum lub sijhawm faib cell.

Vim li cas chromosome condensation tseem ceeb?

Chromosome condensation yog kho los ntawm condensin complex, ntawm lwm cov proteins, thiab yog tsim nyog los tiv thaiv chromosomes los ntawm kev nkag mus rau thaum chromosome cais.

Vim li cas nws tseem ceeb rau chromosomes condense thaum lub sij hawm mitosis?

Nws yog ib qho tseem ceeb rau cov chromosomes kom condense thaum lub sij hawm mitosis vim nws tso cai rau sib npaug sib cais ntawm cov genetic khoom rau hauv ob tug ntxhais hlwb. …

Dab tsi yog qhov tseem ceeb ntawm chromatin raug condensed rau hauv chromosomes thaum lub sijhawm faib cell?

Chromosomes yog tsim los ntawm DNA-protein complex hu ua chromatin uas tau koom ua ke hauv subunits hu ua nucleosomes. Txoj hauv kev uas eukaryotes compact thiab npaj lawv cov chromatin tsis tsuas yog tso cai rau ntau cov DNA kom haum rau hauv qhov chaw me me, tab sis nws kuj pab tswj cov noob qhia

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