2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Txhim cov khoom siv hloov pauv tuaj yeem pab koj txoj kev sib kis ntev dua. Qhov no tshwm sim los ntawm kev txo qhov slippage thiab ua haujlwm sib tshooj uas yog tsim los rau hauv kev sib kis los tsim cov kev ua haujlwm du.
Cov khoom siv hloov pauv ua li cas rau kev sib kis?
Rau phau ntawv kis tau tus mob nruab nrog lub tsheb, nws yog ib qho khoom siv uas hloov cov khoom lag luam iav selector (shifter). Cov khoom siv ua haujlwm feem ntau txo qhov cuam tshuam ntawm kev xaiv lub iav (tseem hu ua kev cuam tshuam luv luv lossis luv hloov pauv), yog li tso cai rau tus neeg tsav tsheb txo lub sijhawm ua haujlwm thiab hloov lub zog ntau dua.
Puas hloov cov khoom siv ua kom muaj zog dua?
Hauv luv luv, cov khoom siv hloov pauv tsis siv neeg hloov pauv hloov lub sijhawm hloov mus rau ua kom nrawm nrawm thiab ua haujlwm ntawm cov khoom sib kis. … Nws yog qhov no dhau lawm, kev sib txuas tsis zoo uas tau txais kev xa xov tsis siv neeg thaum ntxov ntawm daim ntawv lo "slush box."
Puas hloov cov khoom siv nyuaj rau kev sib kis?
Vim li cas lawv ua rau kev sib kis nyuaj dua? Hloov cov khoom siv tsuas yog tshem tawm ntau yam teeb meem roj ntws hauv kev sib kis ntawm lub cev valve. Cov txiaj ntsig yog khov kho thiab txo qis qis thiab ua haujlwm sib tshooj.
Yuav ua li cas hloov cov khoom siv yuav tsum nres?
Trans-Go cov khoom siv txiav lub sijhawm hla ntau dua 70% (txawm tias ntau dua hauv Kev Sib Tw version) thiab tib lub sijhawm txhim khoqhov zoo ntawm kev hloov pauv nws tus kheej.
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).
Puas yog jurassic ntiaj teb hloov pauv hloov pauv hloov pauv?
Qee zaum, paub meej, koj yuav tau rov qab mus rau lub sijhawm dhau los - txuag manually, thiab feem ntau, raws li game's autosave yog… tsis zam txim - tab sis feem ntau ntawm cov lub sijhawm koj tuaj yeem khaws cov khoom thiab khaws cia nrog.
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.
