Puas yog lub nucleolus ib feem ntawm cov ntaub so ntswg nuclear?
Puas yog lub nucleolus ib feem ntawm cov ntaub so ntswg nuclear?

Video: Puas yog lub nucleolus ib feem ntawm cov ntaub so ntswg nuclear?

Video: Puas yog lub nucleolus ib feem ntawm cov ntaub so ntswg nuclear?
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Anonim

Cov lub hnab ntawv nuclear ncig lub nucleus nrog ob npaug daim nyias nyias nrog ntau qhov pores. Cov nucleolus yog lub hauv paus feem Lub cell nucleus yog tsim los ntawm ribosomal RNA, proteins thiab DNA.

Dhau li ntawm no, puas yog lub nucleolus zoo ib yam li cov membrane nuclear?

Cov nucleolus yog ib cheeb tsam condensed ntawm chromatin qhov twg ribosome synthesis tshwm sim. Lub ciam teb ntawm lub nucleus yog hu ua tus lub hnab ntawv nuclear . Nws muaj ob phospholipid bilayers: ib sab daim nyias nyias thiab ib sab hauv daim nyias nyias.

Kuj Paub, puas yog chromosomes hauv nucleolus lossis nucleus? Cov nucleus yog membrane khi thaum lub nucleolus yog non-membrane khi. 3. Cov nucleus muaj DNA thaum lub nucleolus muaj RNA. Cov nucleus muaj cov chromosomes thiab cellular week thaum lub RNA muaj lub fibrillar chaw zov me nyuam, tuab fibrillar chaw zov me nyuam, thiab cov granular tivthaiv.

Kuj tseem paub, puas yog nucleolus muaj daim nyias nyias?

Cov nucleolus yog lub cev puag ncig nyob rau hauv lub nucleus ntawm ib tug eukaryotic cell. Nws yog tsis nyob ib puag ncig ib daim nyias nyias tab sis zaum hauv lub nucleus. Cov nucleolus ua ribosomal subunits los ntawm cov proteins thiab ribosomal RNA, tseem hu ua rRNA.

Lub hnab ntawv nuclear nucleolus thiab chromosomes cuam tshuam li cas?

Nws tswj ntau lub luag haujlwm hauv cell (xws li protein synthesis). Lub nucleus muaj DNA sib sau ua ke rau hauv chromosomes . Kev ua haujlwm ntawm lub nucleolus yog tias nws muaj DNA. Kev ua haujlwm ntawm lub lub hnab ntawv nuclear yog tias nws muaj ntau txhiab nuclear pores uas tso cai rau cov khoom txav mus rau hauv thiab tawm ntawm cov nucleus.

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