2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Tau kom txog thaum tag nrho cov kev phom sij ntawm Frost dhau lawm ua ntej yuav hloov pauv sab nraum lub caij nplooj ntoo hlav, vim tias bok choy zoo li yuav bolt hauv qhov txias txias. Tsiv hloov pauv sab nraum lub caij ntuj sov rau lub caij nplooj zeeg sau qoob loo.
Thaum twg kuv tuaj yeem hloov bok choy seedlings?
Bok choy tuaj yeem cog ncaj qha rau hauv lub vaj lossis pib sab hauv tsev kom hloov tom qab. Germination yuav tshwm sim nyob rau hauv xya mus rau 10 hnub ib zaug cog. Yog tias pib hauv tsev, pib cov noob ua ntej hnub kawg Frost nyob rau lub caij nplooj ntoo hlav thiab hloov cov yub ob lub lis piam tom qab.
yub yuav loj npaum li cas ua ntej hloov?
Txoj cai ntawm tus ntiv tes xoo yog thaum cov yub muaj peb mus rau plaub nplooj tiag tiag, nws loj txaus los cog rau hauv lub vaj (tom qab nws tau tawv lawm). Thaum koj cog cov noob, thawj nplooj tawm yog cov cotyledons. Cov nplooj no yuav zoo li txawv ntawm nplooj uas yuav loj hlob tom qab.
Lub hli twg koj cog cov noob?
Txhua zaus koj khawb ib tsob ntoo, nws poob qee cov cag. Nyob rau hauv cov huab cua kub, lub hauv paus tsis txaus no yuav ua rau nws tsis yooj yim sua kom hloov pauv kom txias nws tus kheej. Lub sijhawm zoo tshaj plaws rau kev hloov pauv perennials yog lub hlis thaum huab cua txias. Caij nplooj ntoos hlav ntau zaus ua haujlwm zoo, thiab lub caij nplooj zeeg yog ib lub caij hloov pauv ntawm kev xaiv.
Koj hloov cov noob rau lub lauj kaub loj npaum li cas?
Lub sijhawm zoo tshaj plaws rau kev hloov koj cov yub yogtxog 3 lub lis piam tom qab lawv sprouts los yog thaum koj muaj 1-2 teev cov nplooj tiag tiag. Nws yog qhov zoo dua los muab lawv rau hauv cov thawv tshiab ua ntej lawv pib qhia cov cim ntawm kev ntxhov siab hauv qab no.
Pom zoo:
Qhov kev hloov pauv no puas yuav ua rau muaj kev hloov pauv hloov pauv?
Yog li, yog tias muaj kev hloov pauv, piv txwv li, kev ntxig lossis tshem tawm ntawm nucleotide, tshwm sim, qhov no tuaj yeem ua rau kev hloov pauv ntawm kev nyeem ntawv. Nws hloov tag nrho cov amino acid ib ntus. Cov kev hloov pauv no yog hu ua frameshift mutation (tseem hu ua kev nyeem ntawv hloov pauv, nyeem ntawv hloov pauv, lossis framing yuam kev).
Thaum twg qhov kev hloov pauv hloov pauv tshwm sim?
Nws xav tias yuav pab nrog mRNA paub los ntawm ribosome thaum txhais lus. Kev hloov kho kuj tseem siv qhov chaw ntawm qhov kawg ntawm RNA cov ntawv sau tseg. Txog 3' kawg ntawm RNA saw 30-500 adenines ntxiv rau hauv qhov hu ua poly A tail. qhov hloov pauv hloov pauv hloov pauv nyob qhov twg?
Qhov twg yog qhov kev hloov pauv hloov pauv hloov pauv?
Semiconservative replication piav qhia txog cov txheej txheem ntawm DNA replication nyob rau hauv tag nrho cov paub hlwb. DNA replication tshwm sim ntawm ntau lub hauv paus pib ntawm kev rov ua dua raws DNA qauv strand. Raws li DNA ob chav helix yog unwound by helicase, replication tshwm sim nyias ntawm txhua tus qauv strand nyob rau hauv antiparallel cov lus qhia.
Thaum twg yog qhov kev hloov pauv hloov pauv?
Kev Txhaum Cai Hloov Kho yog lub npe muab rau kev qhuab ntuas tus kheej ntawm lub Koom Txoos Catholic uas tau pib nyob rau hauv xyoo pua 16rau 'tawm' cov kev vam meej ntawm Protestant Reformation. Thaum twg Qhov Kev Txhaum Cai Hloov Kho tau pib thiab xaus?
Qhov kev hloov pauv twg yog xav tias yuav cuam tshuam los ntawm kev hloov pauv hloov pauv?
Dependent Variable Qhov sib txawv uas nyob ntawm lwm yam uas ntsuas. Cov kev hloov pauv no yuav tsum tau hloov pauv raws li qhov kev sim ua haujlwm ntawm tus kheej hloov pauv lossis hloov pauv. Nws yog cov nyhuv presumed. Qhov kev tshawb fawb hloov pauv twg yog qhov tshwm sim?
