Lo lus keeb kwm rau cytokinesis yog dab tsi?

Video: Lo lus keeb kwm rau cytokinesis yog dab tsi?

2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36

Cov lus " cytokinesis "(/ˌsa?to?ka?ˈniːs?s, -t?-, -k?-/) siv combiningforms of cyto- + kine- + -sis, New Latin los ntawm Classical Latin thiab Ancient Greek, reflecting "cell" thiab kinesis ("txoj kev, txav"). Nws tau coined los ntawm Charles Otis Whitman nyob rau hauv 1887.

Ib yam li ib tug yuav nug, koj txhais li cas los ntawm cytokinesis?

cytokinesis . Cytokinesis yog lub cev txheej txheem ntawm cell division, uas faib cov cytoplasm ntawm ib tug niam txiv cell mus rau hauv ob tug ntxhais cell. Nws tshwm sim ib txhij nrog ob hom kev faib tawm nuclear hu ua mitosis thiab meiosis, uas tshwm sim hauv cov tsiaj tsis muaj hlwb.

Tsis tas li ntawd, lub hom phiaj ntawm cytokinesis yog dab tsi? Cytokinesis yog tus txheej txheem los ntawm cov celldivides nws cytoplasm los tsim ob tug ntxhais hlwb. Raws li cov kauj ruam kawg hauv kev faib cell tom qab mitosis, cytokinesis yog acarefully orchestrated txheej txheem uas taw qhia qhov pib ntawm ib tug tshiab cellular tiam.

Kuj tseem paub yog, vim li cas cytokinesis tsis yog ib feem ntawm mitosis?

Cytokinesis yog ib feem ntawm M-phase, tab sis tsis yog ib feem ntawm Mitosis . M-phase muaj nuclear faib ( mob mitosis ) thiab cytoplasmic division ( cytokinesis ). Andyes, telophase yog ib feem ntawm mitosis , yog li nws nyob hauv M-phasetoo.

Yuav ua li cas tom qab cytokinesis tshwm sim?

G1 theem yog lub sij hawm nyob rau hauv lub cell voj voog thaum lub sij hawm interphase, tom qab cytokinesis (cov txheej txheem uas ib leeg cellis muab faib ua ob lub hlwb zoo tib yam thaum twg cov cytoplasmis faib) thiab ua ntej S theem. Tom qab G1, lub cell nkag mus rau theem S, thaum DNA synthesis lossis replication tshwm sim.

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