2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Kev yoog thiab Ciaj sia Kev hloov pauv yog txhua yam cuab yeej cuab tam uas pab cov kab mob, xws li cov nroj tsuag lossis tsiaj, ciaj sia thiab rov tsim dua hauv nws ib puag ncig.
Yuav ua li cas 3 yam yuav tsum tau ua kom tus cwj pwm coj los txiav txim siab hloov kho?
Yuav tsum muaj kev hloov pauv rau qhov tshwj xeeb hauv cov pej xeem. Qhov kev hloov pauv yuav tsum tau txais txiaj ntsig (uas yog, nws yuav tsum muaj peev xwm kis tau los ntawm niam txiv mus rau lawv cov xeeb ntxwv).
Puas hloov pauv hloov pauv hloov pauv tau?
Kev xaiv ntuj zoo, lossis qhov kev nyiam ntawm cov txiaj ntsig zoo kom nce ntau qhov ntau (ntau zaus) hauv cov pejxeem, yog lub zog tsav tom qab hloov pauv hloov pauv. … Thib ob, tus cwj pwm yuav tsum yog cuab yeej cuab tamkom nws thiaj kis tau mus rau lub cev xeeb tub.
Puas yog tib neeg tseem hloov zuj zus?
Kev tshawb fawb txog noob caj noob ces pom tau tias uas tib neeg tseem hloov zuj zus. Txhawm rau tshawb xyuas cov noob twg tau txais kev xaiv ntuj, cov kws tshawb fawb tau saib rau hauv cov ntaub ntawv tsim los ntawm International HapMap Project thiab 1000 Genomes Project.
Ib qho piv txwv ntawm kev hloov pauv hloov pauv li cas?
Ib ntawm phau ntawv piv txwv ntawm kev hloov pauv hloov pauv yog caj dab ntev giraffe. Kev hloov pauv ntawm tus giraffe lub caj dab ntev tau tshwm sim kom tus tsiaj tuaj yeem ncav cuag nplooj hauv cov ntoo siab. Tab sis zaj dab neeg ntawm giraffe lub caj dab ntev yog qhov nyuaj tshaj qhov ntawd.
Pom zoo:
Puas yog cov cuab tam sib koom ua ib feem ntawm cov cuab yeej cuab tam?
Nyob ntawm tus naj npawb ntawm cov tswv koom ua ke thiab kev sib raug zoo ntawm cov tswv koom ua ke, ib qho feemlossis tag nrho cov txiaj ntsig ntawm kev lag luam ncaj ncees ntawm tus as khauj sib koom tuaj yeem suav nrog hauv cov khoom ntiag tug.
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.
