2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Kev hloov pauv swb yog qhov pom kev tshwm sim uas tshwm sim thaum koj txav ntawm ib tus swb mus rau tom ntej thaum kev nthuav qhia. Koj tuaj yeem tswj tau qhov nrawm, ntxiv suab, thiab kho qhov zoo ntawm kev hloov pauv.
Yuav ua li cas koj hloov ib feem ntawm tus swb?
Ntxiv cov kev hloov pauv hloov pauv kom coj koj qhov kev nthuav qhia PowerPoint mus rau lub neej
- Xaiv tus swb koj xav ntxiv kev hloov mus rau.
- Xaiv qhov kev hloov pauv tab thiab xaiv qhov hloov pauv. …
- Xaiv Cov Kev Xaiv Zoo los xaiv cov kev taw qhia thiab qhov hloov pauv. …
- Xaiv saib ua ntej kom pom qhov kev hloov pauv zoo li cas.
Peb pawg kev hloov pauv yog dab tsi?
Raws li koj tuaj yeem pom, kev hloov pauv tau faib ua peb pawg: Subtle, Zoo siab, thiab Dynamic. Nyem rau ntawm qhov cuam tshuam koj xav siv thiab koj yuav tau txais kev saib ua ntej sai ntawm qhov nws zoo li ntawm koj tus swb.
Cov piv txwv ntawm kev hloov pauv yog dab tsi?
piv txwv ntau hom kev hloov pauv
- qhov muag tsis pom kev - Kab rov tav lossis ntsug tig hla cov kab zoo li slats hauv qhov muag tsis pom kev los nthuav tawm qhov xwm txheej tom ntej.
- Box - Qhia cov ntsiab lus ntawm qhov xwm txheej tam sim no thiab tig zoo li nws nyob hauv ib lub thawv kom pom cov xwm txheej tom ntej.
- Checkerboard - Rov qab hla cov vuas checkerboard kom nthuav tawm qhov chaw tom ntej.
Yuav hais li cas thaum hloov pauv ntawm cov swb?
- Qhia ib lub ntsiab lus tseem ceeb. Ib qho kev txhawj xeeb loj yog… Lub ntsiab lus ntawm qhov teeb meem…Fundamentally … …
- Rephrase a main point. Qhov ntawd yog hais tias… Yog li tam sim no qhov peb muaj yog… Lub ntsiab lus kuv tab tom ua yog……
- Txav mus rau lwm qhov tseem ceeb. Tam sim no cia peb xav txog … Kuv xav txav mus rau / saib … Yog tias kuv tuaj yeem tig mus rau …
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.
