Nucleus Qhov Chaw Lub cell lub nucleus yog nyob rau hauv nruab nrab ntawm lub cell lub cytoplasm, cov kua uas puv lub cell. Txawm li cas los xij, lub nucleus yuav tsis yog nyob hauv nruab nrab ntawm lub cell nws tus kheej. Noj li ntawm 10 feem pua ntawm cov cell ntim, lub nucleus feem ntau nyob ib ncig ntawm qhov chaw ntawm lub cell nws tus kheej.
cell nucleus nyob qhov twg?
Lub nucleus yog ib qho ntawm qhov pom tseeb tshaj plaws ntawm lub cell thaum koj saib daim duab ntawm lub xovtooj. Nws yog nyob rau hauv nruab nrab ntawm lub xovtooj, thiab lub nucleus muaj tag nrho cov cell chromosomes, uas encode cov genetic khoom.
Puas yog lub nucleus nyob hauv nruab nrab?
Lub nucleus yog dab tsi? Lub nucleus pom nyob rau hauv nruab nrab ntawm cov hlwb, thiab nws muaj DNA teem nyob rau hauv chromosomes. Nws yog ib puag ncig los ntawm lub hnab ntawv nuclear, ob chav nuclear membrane (sab nrauv thiab sab hauv), uas cais cov nucleus los ntawm cytoplasm. Cov txheej membrane yog nruam nrog cov ntxhib endoplasmic reticulum.
Puas muaj nucleus nyob hauv cytoplasm?
Cytoplasm yog cov kua gelatinous uas sau rau hauv lub cell. Nws yog tsim los ntawm dej, ntsev, thiab ntau yam organic molecules. Qee cov organelles intracellular, xws li cov nucleus thiab mitochondria, raug kaw los ntawm cov membranes uas cais lawv ntawm cytoplasm.
Puas cov nucleus muaj DNA?
Ntau DNA nyob rau hauv lub cell nucleus (qhov twg nws hu ua nuclear DNA), tab sis ib tug me me ntawm DNA kuj muaj nyob rau hauv lub mitochondria (qhov twg.nws hu ua mitochondrial DNA lossis mtDNA).
