Dab tsi yog qhov txawv ntawm chromatin chromatid thiab chromosome?

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Dab tsi yog qhov txawv ntawm chromatin chromatid thiab chromosome?
Dab tsi yog qhov txawv ntawm chromatin chromatid thiab chromosome?

Video: Dab tsi yog qhov txawv ntawm chromatin chromatid thiab chromosome?

Video: Dab tsi yog qhov txawv ntawm chromatin chromatid thiab chromosome?
Video: Ntshe yog kuv tsis txawj hlub koj. 10/5/2017 2024, Hlis ntuj nqeg
Anonim

Dab tsi yog qhov txawv ntawm chromatin, chromatids, thiab chromosomes? Chromatin yog DNA thiab cov proteins uas tsim los ntawm chromosome. Chromosomes yog cov khoom sib cais ntawm DNA hauv ib lub cell. Thiab Chromatids yog zoo tib yamdaim DNA tuav ua ke los ntawm ib lub centromere.

Qhov txawv ntawm chromatid thiab chromosome yog dab tsi?

Chromosomes nqa DNA, uas yog cov khoom siv caj ces ntawm lub cev. Chromatids pab lub hlwb kom duplicate thiab tig, pab hauv cell faib. Ib chromosome muaj nyob thoob plaws hauv lub neej voj voog ntawm tes. Ib chromatid yog tsim tsuas yog thaum lub xovtooj ntawm tes mus dhau los ntawm mitosis lossis meiosis theem.

Chromatin chromatid thiab chromosomes cuam tshuam li cas hauv chav kawm 9?

chromatin, chromatid thiab chromosomes cuam tshuam li cas? Teb: Hauv cov nucleoplasm a tangled loj ntawm cov qauv zoo li xov yog hu ua chromatin… chromosomes.

Dab tsi yog chromosomes ua los ntawm Chav Kawm 9?

Txhua chromosome yog tsim los ntawm ob yam (i) Deoxyribonucleic acid (DNA) (ii) Proteins (piv txwv li; nws cov tones thiab acidic proteins) Cov no muaj ob (unreplicated.) los yog plaub (duab) caj npab thiab ib tug thawj constriction los yog centromere uas muab lawv ib tug tshwj xeeb zoo vim nws txoj hauj lwm.

Chromatin cuam tshuam li cas rau chromosomes?

Chromatin yog DNA ntim los ntawm histones. Thaum chromatin yog condensed thiab ntxiv, peb muaj chromosomes. Chromosomes yog khub thaum chromatin tsis yog.

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