Thaum lub sijhawm prophase, qhov nyuaj ntawm DNA thiab cov proteins muaj nyob hauv cov nucleus, hu ua chromatin, condenses. Cov chromatin coils thiab dhau los ua compact, ua rau tsim ntawm pom chromosomes.
condensed chromatin daim ntawv yog dab tsi?
Thaum lub sijhawm faib cell, chromatin condenses rau daim chromosomes. Chromosomes yog ib pab pawg ntawm condensed chromatin.
Thaum chromatin condenses tus qauv tsim?
Hauv cov hlwb, chromatin feem ntau folds rau hauv cov qauv tsim hu ua chromosomes. Txhua chromosome muaj ib qho ob-stranded piece ntawm DNA nrog rau cov lus hais txog ntim cov proteins. Daim duab 1: Chromatin condensation hloov thaum lub voj voog ntawm tes.
Thaum lub sijhawm chromatin condenses los ua pas zoo li chromosomes?
Thaum lub sijhawm faib cell, chromatin condenses rau hauv chromosomes zoo li qwj, uas muaj ntau txhiab tus noob hauv lawv. Qhov kev pom zoo tshaj plaws ntawm chromosomes nyob rau hauv lub teeb tsom iav yog thaum lub xovtooj ntawm tes nyob rau theem metaphase thiab chromosomes tau ua raws li qhov sib npaug ntawm lub xovtooj.
Nws txhais li cas thaum chromosome condenses?
Definition. Chromosome condensation yog qhov ua kom rov ua haujlwm ntawm qhov ntev nyias chromatin strands rau hauv cov chromosomes luv luv uas tshwm sim hauv mitosis thiab meiosis.
