Cov txheej txheem:
- Dab tsi yog tsim los ntawm sab nraud integument?
- Yuav ua li cas rau sab nraud integument tom qab fertilization?
- Qhov twg ntawm ovule hloov mus rau hauv cov noob?
- Qhov twg hauv qab no yog qhov kev sib txuas sab nraud ntawm ovule tsim mus rau hauv testa?
Video: Thaum kev loj hlob sab nraud integument hloov mus ua?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Cov integuments loj hlob mus rau cov noob tsho tiv no thaum lub ovule matures tom qab fertilization. Cov integuments tsis nyob rau hauv lub nucellus kiag li tab sis khaws qhov qhib ntawm lub apex hu ua micropyle. Qhov qhib micropyle tso cai rau paj ntoos (tus txiv neej gametophyte) nkag mus rau hauv lub ovule rau fertilization.
Dab tsi yog tsim los ntawm sab nraud integument?
Kev daws: Tom qab txheej txheem fertilization, cov hlwb sib txawv hauv lub hnab embryo tsim los tsim ntau qhov chaw ntawm lub embryo. Piv txwv li, sab nrauv integument forms testa, inner integument forms tegmen thiab zes qe menyuam cov ntaub ntawv pericarp.
Yuav ua li cas rau sab nraud integument tom qab fertilization?
Tom qab fertilization, cov integuments no muab nce mus rau lub tsho tiv no noob, uas nyob rau hauv angiosperms muaj xws li ib tug testa thiab ib tug tegmen, muab los ntawm sab nrauv thiab sab hauv integuments, feem.
Qhov twg ntawm ovule hloov mus rau hauv cov noob?
Tom qab fertilization, ovule dhau los ua cov noob. Ntawm qhov chaw ntawm ovule tig mus rau hauv lub tsho loj.
Qhov twg hauv qab no yog qhov kev sib txuas sab nraud ntawm ovule tsim mus rau hauv testa?
Teb: Tom qab fertilization hauv paj, ovule tau hloov mus rau hauv cov noob. Sab nraud integument ntawm ovule dhau los ua Testa thiab sab hauv integument ua Tagmen.
Pom zoo:
Nyob rau hauv diauxic kev loj hlob uas theem kev loj hlob tshwm sim?
Diauxic kev loj hlob yog qhov tshwm sim uas cov pej xeem ntawm microbes, thaum nthuav tawm nrog ob qhov chaw carbon, nthuav tawm bi-phasic exponential kev loj hlob cuam tshuam los ntawm kev lag luam ntawm kev loj hlob tsawg Keeb kwm, Qhov tshwm sim tau piav qhia los ntawm Monod 1 qhia diauxie nrog qabzib thiab lactose hauv E.
Puas yog aubergines loj hlob sab nraud?
Ntau tus neeg ua teb hauv Asmeskas yuav tsum zoo loj hlob lawv cov eggplants sab nraum tom qab pib ntxov hauv qab npog, hos cov nyob rau yav qab teb lub xeev yuav tuaj yeem tseb ncaj qha sab nraum zoov . Aubergines puas tuaj yeem loj hlob sab nraum zoov?
Orchids puas yuav loj hlob sab nraud?
Xaiv kom raug thiab saib xyuas, orchids tuaj yeem yog cov showiest thiab txawv tshaj plaws ntawm txhua lub vaj lossis patio nroj tsuag. Hauv cov cheeb tsam no, nrog rau qee qhov kev tiv thaiv los ntawm ntau lub hnub, cua thiab nag, cov nroj tsuag orchid zoo nkauj tuaj yeem cog rau ntawm lub patio lossis ua ib feem ntawm toj roob hauv pes.
Basil tuaj yeem loj hlob sab nraud?
Basil loj hlob yooj yim, tab sis nws tsuas yog loj hlob sab nraum lub caij ntuj sov-thiab tsuas yog thaum av tau sov so zoo-yog li npaj raws li. Yog tias koj tab tom npaj yuav ua pesto, cog ntau yam nroj tsuag . Yuav ua li cas ua kom basil ciaj sia nyob sab nraud?
Puas decals mus rau sab nraud lossis sab hauv?
Decals, nyob ntawm seb hom, tuaj yeem siv rau ntawm iav thiab iav zoo li qhov chaw. Lawv siv tau ob sab hauv thiab sab nraud . Koj puas muab daim ntawv lo rau ntawm lub tsheb sab hauv lossis sab nraud? Nws yuav ua haujlwm li cas.
