2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Qhov kev hloov pauv txoj kev kawm tuaj yeem yog qhov tseem ceeb tshwj xeeb rau cov tub ntxhais kawm laus kom muaj peev xwm nkag siab cov tswv yim tshiab thiab cov tswv yim. Muaj ntau txoj hauv kev uas cov kws qhia ntawv tuaj yeem qhia cov kev kawm zoo li no rau hauv lawv chav kawm, suav nrog: Muab sijhawm rau cov tub ntxhais kawm los kawm txog cov kev xav tshiab.
Ib qho piv txwv ntawm kev kawm hloov pauv yog dab tsi?
Kev hloov pauv kev kawm tuaj yeem txhawb nqa los ntawm kev nug cov lus nug qhib rau cov kawm. Qhov no yuav txhawb nqa cov kev txawj xav zoo uas yuav pab cov neeg kawm paub txog kev paub tshiab rau lawv tus kheej cov kev paub hauv lub neej. Piv txwv suav nrog kev siv blogs thiab cov cuab yeej hauv kev sib raug zoo rau kev sib tham hauv online thiab cov lus teb rau cov lus nug.
Txoj kev hloov pauv yog dab tsi?
Kev hloov pauv kev kawm yog kev nthuav dav ntawm kev nco qab los ntawm kev hloov pauv ntawm kev pom hauv ntiaj teb thiab lub peev xwm tshwj xeeb ntawm tus kheej; Kev kawm hloov pauv tau yooj yim los ntawm cov txheej txheem paub meej xws li kev nkag mus tau zoo thiab tau txais cov ntsiab lus cim ntawm qhov tsis nco qab thiab …
Kev xav hloov pauv yog dab tsi?
Kev hloov pauv kev xav ua rau tib neeg thiab pab pawg los tsim kev hloov pauv, ua haujlwm ntawm lawv qhov zoo tshaj plaws thiab ua tiav kev vam meej. … Lawv nkag siab txog kev ua haujlwm ntawm cov tib neeg hauv lawv pab pawg thiab muab cov haujlwm, txhawb nqa thiab ua qhov yuam kev ntawm tus kheej uas haum rau tus kheej.
Vim li cas koj ho xav li ntawdKev hloov pauv kev kawm tseem ceeb hauv kev kawm kev thaj yeeb?
Kev hloov pauv kev kawm yog qhov tseem ceeb rau txoj kev kawm kev thaj yeeb nyab xeeb. … Peb txoj kev paub, kev coj tus cwj pwm, thiab kev ua yog cuam tshuam los ntawm lub ntiaj teb no saib, thiab yuav tsum hloov pauv thiaj li hloov mus rau kev coj noj coj ua ntawm kev thaj yeeb nyab xeeb. Yog li kev hloov pauv kev kawm yog qhov tsim nyog ntawm kev kawm kev thaj yeeb nyab xeeb.
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).
Dab tsi yog qhov tseem ceeb thiab vim li cas nws tseem ceeb los txheeb xyuas koj qhov tseem ceeb?
Qhov tseem ceeb yuav coj koj hauv kev txiav txim siab hauv lub neej thiab ua rau koj taug qab. Qhov tseem ceeb tshaj plaws, qhov tseem ceeb tshaj plaws yuav ua rau koj ntseeg siab hais tias "tsis yog." Lawv pab koj txheeb xyuas qhov xav tau tiag tiag hauv koj lub neej, piv rau lwm tus xav tias tseem ceeb.
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.
