2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Ob zaug fertilization yog nthuav tawm los ntawm. Pinus . Fucus. Aspergillus.
Leej twg nthuav tawm ob npaug fertilization?
Cov paj ntoo muaj qhov tshwj xeeb no. Ua tiav cov lus teb: Ob chav fertilization yog nthuav tawm los ntawm Angiosperms. Muab ob npaug rau fertilization yog txheej txheem uas ib tug txiv neej phev fuses nrog poj niam qe thiab lwm tus txiv neej phev fuses nrog ob tug polar nuclei.
Yuav ua li cas qhia tau hais tias ob zaug fertilization?
Muab ob npaug rau fertilization yog ib txoj kev fertilization mechanism ntawm flowering nroj tsuag (angiosperms). Cov txheej txheem no suav nrog koom nrog poj niam gametophyte (megagametophyte, tseem hu ua embryo sac) nrog ob tug txiv neej gametes (phev). … Lub raj paj ntoos pib tso ob lub phev hauv megagametophyte.
Pab pawg twg qhia cov yam ntxwv ntawm ob qho kev sib xyaw?
ob zaug fertilization yog tus yam ntxwv tseem ceeb ntawm paj nroj tsuag (angiosperms). … Qhov no tseem hu ua progamic theem ntawm fertilization. Fertilization yog ua tiav los ntawm theem syngamic tom qab ua tiav fusion ntawm ib cov phev cell nrog lub qe qe thiab cov phev thib ob nrog lub hauv nruab nrab ntawm tes, feem.
Yuav ua li cas hauv qab no tsis muaj tseeb rau ob zaug fertilization?
Nyob rau hauv tus txheej txheem ntawm ob fertilization, triple fusion tshwm sim. Lub embryo tsim yuav diploid nyob rau hauv qhov, whereas lub endosperm tsim yuav triploid nyob rau hauvxwm.
Pom zoo:
Thaum twg siv cov lus hais ib zaug lossis ob zaug?
Yog tias koj yog neeg Amelikas, siv cov lus hais tsis yooj yim dua: Siv ob lub ntsiab lus txhua lub sijhawm tshwj tsis yog hais qee yam hauv ib nqe lus, thaum koj siv ib zaug. Nws txawv hauv Anglosphere ntau dua, qhov uas lawv feem ntau siv singles hauv phau ntawv thiab muab ob npaug rau hauv ntawv xov xwm.
Lub npe ntawm cov qauv ovulated ua ntej fertilization yog dab tsi?
Lub qe pib nws tsib hnub taug kev los ntawm qhov nqaim, hollow qauv hu ua lub raj xaum mus rau lub tsev menyuam. Raws li lub qe tab tom taug kev los ntawm txoj hlab pas, theem ntawm progesterone, lwm yam tshuaj hormones, nce, uas pab npaj lub tsev menyuam hauv plab rau cev xeeb tub.
Puas ntaus ob zaug ntaus tus neeg ua si ob zaug?
Ob zaug ntaus Ib lo lus tseem ceeb pom ntawm cov tsiaj. Ceev nrog ob npaug tawm tsam lawv qhov kev puas tsuaj ob zaug. … Txhua qhov tseem tshuav tawm tsam thiab thaiv cov tsiaj, nrog rau cov uas muaj kev tawm tsam ob zaug, cuam tshuam kev puas tsuaj rau lub sijhawm thib ob no.
Thaum twg Mille bobby xim av ib zaug ib zaug?
In 2013, nws tau ua nws qhov kev ua yeeb yam hauv ABC series Once Upon a Time in Wonderland, piav qhia lub luag haujlwm ntawm cov tub ntxhais hluas Alice. Dab tsi ntu ntawm Ib Lub Sijhawm yog Millie Bobby Brown hauv? Saib MILLIE BOBBY BROWN IN THE "
Ib zaug dhau ib zaug emma puas tuag?
Raws li txhua tus sib ntaus sib tua rau lwm qhov kev daws teeb meem, Emma thiab Gideon koom nrog kev sib ntaus sib tua ntaj ntev kawg ua rau Emma raug suaj kaum thiab tua - tab sis thaum sawv daws sib sau ua ke hais lus zoo, Henry revives nws nrog hnia ntawm lub hauv pliaj, kev hlub tiag tiag hnia.
