Dab tsi yog cov kab mob piav qhia cov kab mob ntawm tes hauv kev nthuav dav?
Dab tsi yog cov kab mob piav qhia cov kab mob ntawm tes hauv kev nthuav dav?

Video: Dab tsi yog cov kab mob piav qhia cov kab mob ntawm tes hauv kev nthuav dav?

Video: Dab tsi yog cov kab mob piav qhia cov kab mob ntawm tes hauv kev nthuav dav?
Video: Tshuaj theem vim li cas thiaj tau nqi ?/ Siv kho mob dab tsi?/paris polyphylla use for? 2024, Kaum ib hlis
Anonim

Kab mob yog prokaryotes, tsis muaj cov nuclei zoo thiab daim nyias nyias - khi organelles , thiab nrog chromosomes tsim los ntawm ib lub voj voog DNA kaw. Lawv tuaj nyob rau hauv ntau yam duab thiab ntau thiab tsawg, los ntawm feeb spheres, cylinders thiab kauv threads, rau flagellated rods, thiab filamentous chains.

Tsis tas li lo lus nug yog, kab mob thiab nws cov qauv yog dab tsi?

Qauv . Kab mob (singular: kab mob ) yog cais raws li prokaryotes, uas yog ib leeg-celled kab mob nrog ib tug yooj yim sab hauv qauv uas tsis muaj ib tug nucleus, thiab muaj DNA uas yog floats dawb do nyob rau hauv ib tug twisted, xov-zoo li loj hu ua tus nucleoid, los yog nyob rau hauv cais, ncig daim ntawv hu ua plasmids.

Qhov thib ob, dab tsi yog qhov tseem ceeb ntawm cov kab mob ntawm tes? Lub cell procaryotic muaj tsib yam tseem ceeb ntawm cov qauv: nucleoid (DNA), cov ribosomes , cell membrane, cell phab ntsa, thiab qee yam txheej txheej, uas tej zaum yuav los yog tsis yog ib feem ntawm phab ntsa.

Ib tug kuj yuav nug, cov kab mob twg muaj thiab piav qhia txog lawv txoj haujlwm?

Cov kab mob zoo li eukaryotic hlwb uas lawv muaj cytoplasm, ribosomes, thiab cov plasma membrane. Nta uas paub qhov txawv ntawm cov kab mob cell los ntawm eukaryotic cell suav nrog cov DNA ncig ntawm nucleoid, tsis muaj daim nyias nyias-bound organelles, lub cell phab ntsa ntawm peptidoglycan, thiab flagella.

Mesosome yog dab tsi hauv cov kab mob?

Mesosomes los yog chondrioids yog folded invaginations nyob rau hauv lub plasma membrane ntawm kab mob uas yog tsim los ntawm cov txheej txheem kho tshuaj siv los npaj cov qauv rau electron microscopy.

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