Video: Dab tsi yog 4 hom kab mob?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov kab mob no tau muab faib ua plaub pawg raws li cov duab: filamentous, isometric (lossis icosahedral ), lub hnab ntawv, thiab lub taub hau thiab tus Tsov tus tw. Ntau tus kab mob txuas rau lawv lub cell host kom yooj yim nkag mus ntawm cov cell membrane, tso cai rau lawv rov ua dua hauv lub cell.
Ntawm no, tus kab mob zoo li cas?
Cov kab mob feem ntau ntawm ob hom: pas nrig, lossis cov filaments, yog li hu ua vim tias cov kab sib txawv ntawm cov nucleic acid thiab cov protein sib cais; thiab kheej kheej, uas yog 20-sided (icosahedral) polygons. Feem ntau cog kab mob yog qhov me me thiab yog cov ntaub ntawv lossis polygons, zoo li muaj ntau cov kab mob kab mob.
Tsis tas li, qhov loj thiab zoo ntawm tus kab mob yog dab tsi? Kab mob feem ntau yog me dua cov kab mob nrog feem coob yog submicroscopic, feem ntau yog nyob hauv loj los ntawm 5 mus rau 300 nanometers (nm). Helical kab mob suav nrog nucleic acid puag ncig los ntawm cov khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khawm los yog capsid thiab muaj cov qauv siv helical.
Hauv qhov no, peb lub hauv paus txheej txheem ntawm cov kab mob yog dab tsi?
Tus Kab Mob . Txhua kab mob muaj ob ntu hauv qab no: 1) nucleic acid genome thiab 2) protein capsid uas npog lub genome. Ua ke qhov no hu ua nucleocapsid. Tsis tas li ntawd, ntau tus tsiaj kab mob muaj a 3 ) lipid lub hnab ntawv.
Vim li cas cov kab mob muaj cov duab sib txawv?
Ib txhia kab mob , tsis hais txog ntawm lawv cov protein capsid puab , yog hnab ntawv thiab yog kab mob tias muaj lipid bilayer nyob ib puag ncig lawv cov capsid. Thaum kawg, qee qhov muaj kab mob ib complex puab . Qhov no yog thaum a kab mob vais lav muaj kev sib txuas ntawm cov duab tau muab tso ua ke los yog asymmetrical.
Pom zoo:
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