Karyosome hais txog cov khoom siv chromatin nyob rau hauv lub cell nucleus thaum lub xovtooj ntawm tes tsis raug faib meiotic. … Lub karyosome lossis karyosphere tshwj xeeb yog paub txog nws lub luag haujlwm hauv oogenesis. Nws zoo nkaus li tsim nyob rau theem diplotene, lossis hauv thawj meiotic prophase.
karyosome nyob qhov twg?
Ib yam karyosome, piv txwv li, lub karyosphere yam tsis muaj cov tshuaj sab nraud, muaj nyob hauv cov oocyte nucleus ntawm Drosophila thaum lub sij hawm ntev diplotene theem. Tom qab staining nrog DNA fluorescent dye (DAPI, Hoechst), karyosome tshwm raws li ib tug spherical compact chaw nyob rau hauv nruab nrab ntawm lub oocyte nucleus.
Koj txhais li cas los ntawm karyosome?
: ib pawg ntawm chromatin nyob rau hauv lub cell nucleus uas zoo li lub nucleolus.
karyosome yog dab tsi hauv Entamoeba histolytica?
Muaj ib lub nucleus nrog cov txheej txheem sib npaug chromatinntawm cov ntaub so ntswg nuclear thiab me me, cen-tralally nyob karyosome yog cov yam ntxwv ntawm trophozoites. … Muaj cov qe ntshav liab nyob rau hauv lub cytoplasm ntawm trophozoites yog ib qho kev kuaj mob rau kev txheeb xyuas ntawm E. histolytica.
Puas muaj pes tsawg nucleolus nyob hauv tib neeg lub cell?
Txawm hais tias feem ntau tsuas yog ib lossis ob lub nucleoli tuaj yeem pom, lub cell diploid tib neeg muaj ten nucleolus thaj chaw ua haujlwm (NORs) thiab tuaj yeem muaj ntau dua nucleoli. Feem ntau ntau NORs koom nrog hauv txhua lub nucleolus.
