2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Chromatid Tom qab DNA rov ua dua, cov chromosome muaj ob lub qauv zoo tib yam hu ua tus muam chromatids, uas yog koom ntawm lub centromere.
Puas chromatid muaj centromere?
Ib chromatid yog ib qho chromosome replicated muaj ob tug ntxhais strands koom los ntawm ib leeg centromere(ob strands sib cais thaum lub cell faib los ua ib tus neeg chromosomes).
Chromatid thiab centromere cuam tshuam li cas?
A centromere koom ob tus viv ncaus chromatids ua ke ntawm tib qhov chaw tshwj xeeb ntawm txhua tus chromatid kom txog rau thaum tus muam chromatids sib cais thaum lub sijhawm anaphase.
Puas muaj pes tsawg centromeres nyob hauv chromatid?
Cliffs AP bio hais tias muaj 1 centromereib chromosome.. tab sis tom qab ib qho chromosome sib cais, cov chromatids raug suav tias yog chromosomes vim txhua chromatid muaj 1 centromere.
Puas yog txhua tus chromosome muaj centromere?
Qhov tseeb, tsuas yog hu ua metacentric chromosomes muaj centromeres ntawm lawv nruab nrab; Hauv lwm cov chromosomes, centromeres nyob ntawm ntau txoj haujlwm uas yog tus yam ntxwv rau txhua tus chromosome (Daim duab 2).
Pom zoo:
Puas muaj leej twg muaj txoj sia nyob tsis muaj tus kab mob vwm?
Kev Kho Mob Tsis Paub: Tsuas yog Ib Tus Neeg Muaj sia nyob tus kab mob vwm yam tsis muaj tshuaj tiv thaiv - Tab sis ua li cas? Plaub xyoos tom qab nws yuav luag tuag los ntawm tus kab mob vwm, Jeanna Giese tau raug tshaj tawm raws li thawj tus neeg paub tias tau muaj tus kab mob no tsis tau txais tshuaj tiv thaiv.
Puas muaj tsev neeg muaj koob muaj npe?
Ironed shoelaces Tub huabtais Charles muaj peb tus kheej valet, txhua tus mob siab rau tuav lub wardrobe ntawm tus huab tais thiab xaiv qhov nws yuav hnav. … Lawv yuav tsum tau khi txoj hlua khi ntawm txhua nkawm khau uas tus huab tais muaj.
Puas yog tsev neeg muaj koob muaj npe muaj lub cev tiv thaiv?
Tsis tas li ntawd, Tus Saib Xyuas tau tshaj tawm tias Royal Protection Squad, cov tub ceev xwm tseem ceeb tau them nyiaj tiv thaiv tus poj huab tais, kuj tseem ua haujlwm tiv thaiv "cov qub txeeg qub teg tam sim ntawd," uas yuav suav nrog Prince Charles, Prince William thiab Prince George.
Vim li cas lub luag haujlwm ntawm centromere?
Lub luag haujlwm tseem ceeb ntawm centromere yog muab lub hauv paus rau kev sib dhos ntawm kinetochore, uas yog cov protein complex tseem ceeb rau kev sib cais ntawm chromosomal thaum lub sij hawm mitosis. Hauv electron micrographs ntawm mitotic chromosomes, kinetochores tshwm sim raws li cov qauv platelike tsim los ntawm ob peb txheej (Daim duab 4).
Hauv telocentric chromosome lub centromere nyob?
A telocentric chromosome's centromere nyob ntawm qhov kawg ntawm chromosome. Ib tug telocentric chromosome muaj yog li ntawd tsuas yog ib sab caj npab. Telomeres tuaj yeem txuas ntxiv los ntawm ob qho kawg ntawm chromosome, lawv cov duab zoo ib yam li tsab ntawv "
