Viroid tuaj qhov twg?

Cov txheej txheem:

Viroid tuaj qhov twg?
Viroid tuaj qhov twg?

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Video: Viroid tuaj qhov twg?
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Viroids yog cov nroj tsuag kab mob nrog kev lag luam tseem ceeb. Viroid genomes yog qhov me me, tsuas yog li 300 nucleotides. Viroids tau pom nyob rau hauv cov khoom ua liaj ua teb, xws li qos yaj ywm, txiv lws suav, txiv apples, thiab txiv maj phaub Ntau cov kab mob viroids yog qhov tseem ceeb ntawm kev lag luam (Table 20.3).

Vim kab mob kis tau li cas?

Viroids feem ntau kis tau los ntawm kev nthuav tawm ntawm cov nroj tsuag, tab sis kuj tuaj yeem kis tau thaum kev ua liaj ua teb lossis kev ua liaj ua teb uas siv cov cuab yeej sib kis. Qee cov viroids tuaj yeem kis tau los ntawm cov noob thiab tsawg kawg ib tus kab mob kis tau los ntawm aphid.

kab mob viroids tuaj qhov twg?

Lub hauv paus chiv keeb ntawm viroids tseem yog ib qho enigma, tab sis nws tau hais tias lawv yog relics los ntawm RNA ntiaj teb, uas xav tias tau muaj neeg nyob tsuas yog tsis-coding RNA. molecules uas catalysed lawv tus kheej synthesis.

Vim li cas tus kab mob no tsis yog tus kab mob?

Viroids yog cov nroj tsuag kab mob: me me, ib leeg-stranded, ncig RNA hais uas yooj yim dua li tus kab mob. Lawv tsis muaj capsid lossis lub hnab ntawv sab nrauv, tab sis, zoo li cov kab mob, tuaj yeem tsim tawm tsuas yog hauv ib lub cell. Viroids tsis yog, txawm li cas los xij, tsim cov proteinsLawv tsim tsuas yog ib qho, tshwj xeeb RNA molecule.

Yuav ua li cas yog cov khoom siv caj ces ntawm viroids?

Viroids txawv ntawm cov kab mob hauv cov kab mob ntawd, ntawm lawv cov theem pib, muaj cov khoom siv caj ces (DNA lossis RNA) muaj nyob rau hauv lub plhaub tiv thaiv protein. Viroids txawv ntawm prions, lwm hom kab mob subviral, nyob rau hauv cov prions tsuas yog tsim los ntawm cov protein, tsis muaj nucleic acid.

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