Ntawm lub sijhawm twg muaj noob germinated?

Cov txheej txheem:

Ntawm lub sijhawm twg muaj noob germinated?
Ntawm lub sijhawm twg muaj noob germinated?
Anonim

Germination raug suav tias ua tiav thaum cov radical (uas dhau los ua hauv paus) ruptures coleorhiza (hauv paus sheath) thiab tawm ntawm cov noob.

Ntawm qhov twg yog lub noob txiav txim siab germinated?

Lub tsho tiv no muaj qhov qhib me me, qee zaum pom ze ntawm lub hilum, hu ua micropyle. Germination yog txheej txheem uas cov noob embryo pib loj hlob. Ib lub noob raug suav hais tias tau germinated thaum lub hauv paus embryonic tawm ntawm lub tsho loj. Ntau cov qoob loo tseem ceeb yog cog los ntawm noob.

3 qhov yuav tsum tau ua rau cov noob germination yog dab tsi?

Kub, dej noo, huab cua, thiab lub teeb pom kev yuav tsum raug rau cov noob kom tawg.

noob germinated li cas?

germination yog txheej txheem ntawm cov noob tsim rau cov nroj tsuag tshiab. … Thaum dej muaj ntau, cov noob sau nrog dej hauv txoj kev hu ua imbibition. Cov dej ua kom cov protein tshwj xeeb, hu ua enzymes, uas pib cov txheej txheem ntawm cov noob loj hlob. Ua ntej cov noob loj hlob hauv paus kom nkag tau dej hauv av.

Puas yog germination thawj zaug pom?

Kev tshwm sim ntawm radicle yog thawj qhov pom pom ntawm cov kab mob germination, uas tshwm sim los ntawm elongation ntawm cov hlwb es tsis yog los ntawm kev faib cell. Nws tau pom tias nyob rau hauv cov xwm txheej zoo, qhov tshwm sim ntawm radicle yuav tshwm sim li ntawm ob peb teev xws li hauv cov noob tsis dormant lossis ob peb hnub tom qab sowing noob.

Pom zoo:

Nthuav cov khoom
Johnson tsag yog leej twg?
Nyeem ntxiv

Johnson tsag yog leej twg?

Johnson Tsang thawj zaug kawm ua qauv av nplaum hauv xyoo 1991, thaum nws ua haujlwm kaum peb xyoos ua tub ceev xwm. Tam sim no 58 xyoo, Tsang yog tus tus tsim cov duab puab ntawm lub ntsej muaguas tau ncab thiab qhib rau hauv txoj kev surreal thiab uas thawb ciam teb ntawm kev muaj tiag.

Thaum twg yuav siv lightroom presets?
Nyeem ntxiv

Thaum twg yuav siv lightroom presets?

Lightroom Presets zoo li tus qauv uas tuaj yeem ua tau siv rau ib qho ntawm koj cov duab los txhim kho nws cov qauv, teeb pom kev zoo, qhov muag plooj, thiab ntau lwm yam raws li nws qhov chaw. Cov kev hloov me me no tuaj yeem ua rau muaj kev cuam tshuam loj rau koj cov duab thiab rau koj!

Meiosis tshwm sim qhov twg?
Nyeem ntxiv

Meiosis tshwm sim qhov twg?

Meiosis tshwm sim hauv cov kab mob primordial, cov hlwb tau teev tseg rau kev sib deev thiab cais tawm ntawm lub cev lub cev somatic. Nyob rau hauv kev npaj rau meiosis, ib tug kab mob cell mus los ntawm interphase, thaum lub sij hawm uas tag nrho cov cell (xws li cov noob caj noob ces muaj nyob rau hauv lub nucleus) undergoes replication.