Cov qe ntshav dawb, tseem hu ua leukocyte lossis dawb corpuscle, yog cov cellular feem ntawm cov ntshav uas tsis muaj hemoglobin, muaj cov nucleus, muaj peev xwm txav tau, thiab tiv thaiv lub cev tiv thaiv kab mob thiab kab mob.
Vim li cas cov qe ntshav dawb thiaj muaj nucleus?
Qee cov qe ntshav dawb muaj cov nuclei uas yog lobed, los yog muab cais ua tej daim, yog li lawv tuaj yeem nyem los ntawm cov hlab ntsha sai dua. Lwm cov qe ntshav dawb ua raws li cov chaw tsim khoom ua riam phom tiv thaiv kab mob thiab xav tau cov nuclei loj los khaws DNA los ua cov riam phom.
Cov qe ntshav dawb puas muaj cov nucleus thiab organelles?
Cov lus teb luv luv rau lo lus nug no yog yog, cov qe ntshav dawb yog cov hlwb nucleated, (txhais tau tias txhua lub cell muaj nucleus) tab sis qhov ntawd yog cov lus teb tsis tiav vim tias muaj ntau yam uas koj yuav tsum paub txog lawv cov nuclei (plural ntawm nucleus).
Puas muaj cov qe ntshav muaj nucleus?
– Tsis zoo li lwm cov hlwb hauv koj lub cev, koj cov qe ntshav liab tsis muaj nuclei. Qhov no quirk hnub rov qab mus rau lub sij hawm thaum mammals pib evolve. Lwm cov vertebrates xws li ntses, cov tsiaj reptiles thiab noog muaj lub hlwb liab uas muaj cov nuclei uas tsis ua haujlwm.
Vim li cas cov qe ntshav dawb tsis muaj nucleus?
lawv tsis muaj nucleus yog li lawv tuaj yeem muaj hemoglobin ntau. lawv yog cov me me thiab yoog raws kom lawv tuaj yeem haum los ntawm cov hlab ntsha nqaim. Lawv muaj cov duab biconcave (flattened disc duab) kom ua kom lawv qhov chaw loj tshaj plaws rau kev nqus pa.
