2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Koj cov se vaj tse nce lossis nqis tuaj yeemua rau kev hloov pauv nyiaj tsev. Cov neeg feem ntau them lawv cov se thiab kev tuav pov hwm rau hauv tus as khauj escrow. … Yog tias muaj qhov tsis txaus hauv koj tus as-qhauj vim yog qhov nce se, koj tus qiv nyiaj yuav them rau qhov tsis txaus kom txog rau thaum koj qhov kev tshuaj xyuas tom ntej.
Lub tuam txhab qiv nyiaj puas tuaj yeem hloov koj cov nyiaj them?
“Ib tus qiv nyiaj tsis tuaj yeem hloov cov nqe lus, qhov nyiaj tshuav lossis tus paj laum ntawm cov nyiaj qiv los ntawm cov uas tau teev tseg hauv cov ntaub ntawv koj tau kos npe thawj zaug. Tus nqi them yuav tsum tsis txhob hloov pauv, ib yam nkaus. Thiab nws yuav tsum tsis muaj kev cuam tshuam rau koj cov qhab nia credit, hais Whitman.
Puas tau them cov nqi tsev txhua hli hloov?
Txawm tias koj muaj tus nqi qiv nyiaj tas li qhov nyiaj them txhua hli tuaj yeem hloov pauv thaum lub neej qiv nyiaj. … Txawm li cas los xij, koj qhov kev them nqi tsev txhua hli kuj tseem suav nrog cov paj laum, se thiab kev pov hwm. Thaum koj tus thawj tswj hwm thiab cov paj laum tus nqi yuav tsis hloov, tus nqi uas xav tau rau cov se thiab kev pov hwm yuav.
Vim li cas cov nyiaj them nqi tsev nce?
Koj muaj tus lej escrow los them se vaj tse lossis tus tswv tsev tuav pov hwm tus nqi, thiab koj cov se vaj tse lossis cov nyiaj tuav pov hwm vaj tse tau nce. … Yog tias koj cov nyiaj them nqi tsev txhua hli suav nrog cov nyiaj uas koj yuav tsum tau them rau hauv koj tus as-qhauj, ces koj cov nyiaj them yuav nce ntxiv yog tias koj cov se lossis cov nqi them nce ntxiv.
Puas them nqi tsev hloov pauv txhua xyoo?
Nrog tus nqi qiv nyiaj tas li,koj tus thawj tswj hwm thiab cov paj laum yuav tsis hloov pauv, tab sis yog tias koj muaj qhov hloov pauv tus nqi qiv nyiaj (ARM), tus nqi hloov pauv tom qab qee lub xyoo. Muaj lwm yam laj thawj uas qhov kev them nqi tsev tuaj yeem hloov pauv.
Pom zoo:
Dab tsi yog qhov hloov pauv thiab hloov pauv hloov pauv?
Point mutations hloov ib leeg nucleotide. Frameshift kev hloov pauv yog ntxiv lossis tshem tawm ntawm nucleotides uas ua rau muaj kev hloov pauv hauv kev nyeem ntawv. frameshift thiab point mutation yog dab tsi? Ib qho kev hloov pauv cuam tshuam rau ib khub hauv paus.
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).
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.
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?
Los ntawm kev hloov pauv hloov pauv hloov pauv?
Kev hloov pauv hloov pauv hloov pauv (TMA) yog qhov isothermal (tsis hloov pauv nucleic acid kub), ib leeg-tube nucleic acid amplification system siv ob lub enzymes, RNA polymerase thiab thim rov qab kev sau ntawv. … Cov txheej txheem no tuaj yeem siv los tsom rau RNA thiab DNA.
