Cov hlwb twg tsis muaj nucleus thiab tsis muaj chromosomes?
Cov hlwb twg tsis muaj nucleus thiab tsis muaj chromosomes?

Video: Cov hlwb twg tsis muaj nucleus thiab tsis muaj chromosomes?

Video: Cov hlwb twg tsis muaj nucleus thiab tsis muaj chromosomes?
Video: Mus so lub hlwb mob mob ua tsis muaj twg paub, EP 02. 27/01/2023 2024, Kaum ib hlis
Anonim

A cell uas ua tsis muaj ib nucleus yog ib tug prokaryotic cell . Nws tsuas muaj cov khoom siv caj ces (DNA) hauv nws tab sis tsis muaj zoo membrane khi nucleus.

Yog li ntawd, lub cell twg tsis muaj nucleus?

Cells uas tsis muaj a nucleus hu ua prokaryotic hlwb thiab peb txhais cov no hlwb raws li hlwb uas tsis muaj organelles ntawm daim tawv nqaij. Yog li, qhov peb tab tom hais yog qhov eukaryotes muaj ib nucleus thiab prokaryotes tsis txhob.

Tsis tas li ntawd, dab tsi ntawm tes tsis muaj nuclear membrane? Lub hnab ntawv nuclear, tseem hu ua nuclear membrane, yog tsim los ntawm ob lipid bilayer membranes uas nyob rau hauv eukaryotic hlwb nyob ib ncig ntawm lub nucleus , uas encases cov khoom siv caj ces. Lub hnab ntawv nuclear muaj ob lub lipid bilayer daim nyias nyias, ib daim nyias nyias nyias, thiab sab nraud ntawm cov ntaub so ntswg.

Tsis tas li ntawd, cov tsiaj cell twg tsis muaj nucleus?

Prokaryotic hlwb (zoo li cov kab mob) yooj yim heev hlwb . Lawv tsis muaj ib nucleus , tej zaum hu ua lub chaw tswj ntawm lub cell . Hauv prokaryotic hlwb , cov khoom siv caj ces lossis DNA yog xoob sab hauv thiab yog ua los ntawm ib lub voj. Mammalian RBC (Red blood cell) tsis muaj nucleus.

Cov tawv nqaij puas muaj DNA?

DNA yog muaj nyob rau hauv cov ntshav, phev, tawv nqaij cov hlwb, cov ntaub so ntswg, kabmob, cov leeg, hlwb, hlwb, pob txha, hniav, plaub hau, qaub ncaug, hnoos qeev, ntiv tes, tso zis, quav, thiab lwm yam.

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