Txhais li cas ntawm ovogenesis?

Cov txheej txheem:

Txhais li cas ntawm ovogenesis?
Txhais li cas ntawm ovogenesis?

Video: Txhais li cas ntawm ovogenesis?

Video: Txhais li cas ntawm ovogenesis?
Video: Nqaij Laim Txhais Tau Li Cas 2024, Kaum ib hlis
Anonim

Oogenesis, ovogenesis, lossis oögenesis yog qhov sib txawv ntawm ovum mus rau hauv lub xovtooj muaj peev xwm los tsim kho ntxiv thaum fertilized. Nws yog tsim los ntawm thawj oocyte los ntawm maturation. Oogenesis yog pib nyob rau hauv lub embryonic theem.

Oögenesis luv teb yog dab tsi?

Oogenesis, nyob rau hauv tib neeg cov poj niam kev yug me nyuam, txheej txheem loj hlob nyob rau hauv uas thawj qe cell (los yog zes qe menyuam) dhau los ua ib tug laus ovum. … Qhov thib ob ovum loj hlob nyob rau hauv zes qe menyuam mus txog rau thaum nws loj hlob tuaj; Nws thiaj li tawg thiab nqa mus rau hauv cov hlab ntsha.

Oogonial txhais li cas?

1: ib tug poj niam deev cev nyob rau hauv ntau yam algae thiab fungi uas sib raug rau archegonium ntawm ferns thiab mosses. 2: ib tug xeeb leej xeeb ntxwv ntawm cov kab mob primordial uas ua rau oocytes.

oögenesis chav kawm 12 yog dab tsi?

Oogenesis: oogenesis yog txheej txheem uas muaj kev tsim thiab kev loj hlob ntawm oocyte lossis ovum. Nws yog ib feem ntawm gametogenesis thiab tus poj niam gamete uas tsim yog hu ua ovum. Nws tshwm sim hauv poj niam zes qe menyuam.

Oocytogenesis yog dab tsi?

Oogenesis pib nrog cov txheej txheem ntawm kev tsim oogonia los ntawm kev hloov pauv ntawm cov hauv paus hauv paus rau hauv thawj oocytes, txheej txheem hu ua oocytogenesis. Oocytogenesis yog ua tiav ua ntej lossis sai tom qab yug hauv tib neeg.

Pom zoo:

Puas qhov loj ntawm tus txiv neej txhais tes txhais li cas?

Puas qhov loj ntawm tus txiv neej txhais tes txhais li cas?

Ib tug txiv neej tes Size Hints at His Athletic Ability Cov txiv neej nrog ntiv nplhaib ntev dua txhais tes muaj zog dua, tsis hais lawv lub hnub nyoog thiab lub cev loj npaum li cas, ib pab pawg ntawm leej txiv-tus kws tshawb fawb pom. Ntau qhov kev tshawb fawb qhia txog qhov kev xav uas ntev ntiv tes txuas nrog kev ua kis las zoo tshaj thiab tag nrho lub zog .

Koj txhais li cas los ntawm kev txhais lus?

Koj txhais li cas los ntawm kev txhais lus?

transitive verb.: to question (qee tus, xws li ib tug nom tswv txawv teb chaws) raug cai hais txog kev ua nom ua tswv lossis txoj cai lossis kev coj tus kheej . piv txwv piv txwv yog dab tsi? Piv txwv li, thaum tus nom tswv hais rau pawg neeg li ' pej xeem', lossis tus kws qhia ntawv hais ib chav kawm li 'cov tub ntxhais kawm', cov neeg nyob rau hauv cov xwm txheej no raug nug kom txais yuav.

Ntawm twg ntawm cov ces kaum hauv qab no yog cov haujlwm cotangent tsis tau txhais?

Ntawm twg ntawm cov ces kaum hauv qab no yog cov haujlwm cotangent tsis tau txhais?

Trigonometric functions tsis tau txhais thaum lawv sawv cev cov feem nrog cov zauv sib npaug rau xoom. Cotangent yog qhov sib txuam ntawm tangent, yog li cov cotangent ntawm txhua lub kaum x rau qhov twg tan x=0 yuav tsum tsis tau txhais, vim nws yuav muaj tus lej sib npaug rau 0 .

Ntawm dab tsi ntawm tus nqi ntawm cov khoom sib koom ua ke nyob ntawm?

Ntawm dab tsi ntawm tus nqi ntawm cov khoom sib koom ua ke nyob ntawm?

Cov cuab yeej sib koom ua ke yog nyob ntawm tus nqi feem ntawm cov ntsiab lus hauv kev daws . Ntawm yam dab tsi tus nqi ntawm cov khoom sib koom ua ke nyob ntawm? Coligative Properties. Cov khoom sib koom ua ke ntawm cov kev daws teeb meem yog cov khoom uas nyob ntawm qhov concentration ntawm solute molecules lossis ions, tab sis tsis yog raws li tus kheej ntawm cov kua.

Ntawm thawj txhais lus txhais lus?

Ntawm thawj txhais lus txhais lus?

Nyob rau hauv nplooj ntawv no koj tuaj yeem nrhiav tau 12 lub ntsiab lus, cov lus tsis sib xws, cov lus hais tsis zoo, thiab cov lus muaj feem cuam tshuam rau tus kheej, xws li: eyewitness, indirect, hearsay, impersonal, ncaj, tam sim, thawj, ntshiab, nyob ze, thawj txhais tes thiab thawj-tes .