Video: Pseudopodia ua li cas?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Muaj tseeb amoeba (genus Amoeba) thiab amoeboid (amoeba zoo li) hlwb daim ntawv pseudopodia rau locomotion thiab ingestion ntawm hais. Pseudopodia daim ntawv Thaum lub actin polymerization yog qhib. Cov actin filaments uas daim ntawv Nyob rau hauv lub cytoplasm thawb lub cell membrane uas ua rau tsim ntawm ib ntus projection.
Ua kom pom qhov no, Pseudopods tsim li cas?
Feem ntau tsim los ntawm cov qauv filament thiab microtubule, qhov chaw ntawm lub xov tooj ntawm tes ua cov txheej txheem hu ua lamellipodium, uas txhawb nqa los ntawm microfilaments. Yog li yuav ua li cas pseudopods txav lawv tus kheej? Lub cytoplasm sau lub lamellipodium rau daim ntawv qhov projections, los yog pseudo.
Ib sab saum toj no, Pseudopodia yog dab tsi thiab lawv siv rau dab tsi? Pseudopods Qhov tseeb yog qhov txuas ntxiv ntawm cytoplasm, lossis cov kua tuab uas yog hauv cov kab mob xws li amoeba. Lub cev muaj peev xwm hloov cov duab ntawm tus pseudopod , ua nws txav, tshwm, thiab ploj mus. Cov cov pseudopods yog siv hauv kev txav mus los thiab ua ib lub cuab yeej los ntes cov tsiaj.
Kuj tseem paub, Pseudopodia tsim nyob rau hauv amoeba li cas?
Thaum ib amoeba senses lub xub ntiag ntawm cov zaub mov, nws lub cell membrane txuas mus rau qhov kev taw qhia. Tom qab ntawd cov cytosome thiab enzyme ntws. Qhov no yog li cas kab mob pseudopodia yog tsim . Tom qab ntawd cov zaub mov yog engulfed thiab digested.
Dab tsi yog hom Pseudopodia?
Morphologically, kab mob pseudopodia tuaj yeem muab rau ib qho ntawm plaub hom : Filopodia, lobopodia, rhizopodia, thiab axopodia.
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