Cov hlwb yuav tsum tau ua dab tsi ntawm kev faib kom paub tseeb tias tag nrho cov teeb?
Cov hlwb yuav tsum tau ua dab tsi ntawm kev faib kom paub tseeb tias tag nrho cov teeb?

Video: Cov hlwb yuav tsum tau ua dab tsi ntawm kev faib kom paub tseeb tias tag nrho cov teeb?

Video: Cov hlwb yuav tsum tau ua dab tsi ntawm kev faib kom paub tseeb tias tag nrho cov teeb?
Video: Tshuaj theem vim li cas thiaj tau nqi ?/ Siv kho mob dab tsi?/paris polyphylla use for? 2024, Kaum ib hlis
Anonim

Yuav ua li cas cov hlwb yuav tsum tau ua ntawm kev faib kom paub tseeb tias tag nrho cov teeb DNA tau kis mus rau txhua tus ntxhais cell ? DNA yuav tsum tau theej thiaj li muaj tag nrho ntawm DNA xa mus rau txhua tus ntxhais cell.

Ib yam li ntawd, koj tuaj yeem nug, cov hlwb yuav tsum ua li cas ntawm kev faib kom paub tseeb tias lawv tsis ua?

Cells reproduce los ntawm splitting nyob rau hauv ib nrab, ib tug txheej txheem hu ua cell faib . Cov hlwb yuav tsum ua li cas ntawm kev faib kom paub tseeb tias lawv tsis ua xwb tau me thiab me? < nws hlwb xav tau loj hlob> 2. Cov ntaub ntawv caj ces ntawm a cell yog nqa hauv nws cov DNA (luv rau deoxyribonucleic acid).

Ib sab saum toj no, cov cell ua cell faib li cas? Cell faib rau ntau yam. Piv txwv li, thaum koj tawv koj lub hauv caug, cell faib los hloov cov qub, tuag, lossis puas hlwb . Cells kuj faib thiaj li muaj sia nyob ua tau loj hlob. Thaum cov kab mob loj hlob, nws tsis yog vim cell yog tau loj dua.

Tom qab ntawd, lo lus nug yog, cov cell yuav tsum ua li cas ua ntej lawv faib?

Ua ntej ntawm tes ua tau faib , nws yuav tsum tshem tawm nws cov chromosomes thiab luam tag nrho nws cov DNA, kom txhua tus tshiab cell yuav tau a luam tag.

Lub sijhawm twg lub cell muaj ib kab ntawm chromosomes?

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