2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Ib lub tuam txhab tuaj yeem nthuav tawm kev hloov pauv hloov pauv ntawm lub ntsej muag ntawm daim ntawv qhia nyiaj txiag lossis hauv cov ntawv sau rau daim ntawv nyiaj txiag.
Kev hloov pauv hloov pauv yog dab tsi?
Kev hloov pauv hloov pauv yog kho rau cov nyiaj yav dhau los lees paub hauv cov nyiaj tau los zoo tam sim no rov faib rau cov nyiaj tau los lossis poob. Piv txwv li, cov txiaj ntsig tau pom los ntawm kev pov tseg ntawm cov khoom muaj nqis-rau-muag tau suav nrog cov nyiaj tau los lossis poob ntawm lub sijhawm tam sim no.
Kev hloov pauv hloov pauv li cas yog siv thaum qhia txog cov nyiaj tau los tag nrho?
Kev hloov pauv hloov dua tshiab yog kev hloov kho kom tsis txhob suav ob zaug hauv cov nyiaj tau los tag nrho uas tau tso tawm ua ib feem ntawm cov nyiaj tau los rau lub sijhawm uas tseem tau tshwm sim ua ib feem ntawm lwm yam cov nyiaj khwv tau los nyob rau lub sijhawm ntawd lossis lub sijhawm dhau los.
Kev hloov pauv hloov pauv hloov pauv li cas?
Kev hloov pauv hloov pauv yog suav los ntawm kev sib piv tus nqi ntawm ib yam khoom rau nws tus nqi nqa tau hloov kho los ntawm OCI thiab feem ntau raug kaw thaum lub cuab tam raug muag, thiab cov txiaj ntsig tau los yog poob. hauv cov nyiaj tau los.
Daim ntawv qhia nyiaj tau los hloov dua tshiab yog dab tsi?
Los ntawm Wikipedia, phau ntawv qhia dawb. Ib reclass lossis reclassification, hauv kev sau nyiaj, yog phau ntawv sau npe hloov pauv tus nqi los ntawm ib tus lej account rau lwm tus.
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.
