2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Tus nqi kho P yog qhov tsawg tshaj plaws ntawm tsev neeg qhov tseem ceeb ntawm qhov kev sib piv tshwj xeeb yuav raug tshaj tawm raws li qhov tseem ceeb raws li ib feemntawm ntau qhov kev sib piv. … Ib qho kev hloov kho P tus nqi cais yog xam rau txhua qhov kev sib piv hauv ib tsev neeg ntawm kev sib piv.
Koj suav li cas tus nqi kho p-tus nqi?
Ua raws li cov lus qhia ntawm Vladimir Cermak, manually ua qhov suav nrog, hloov kho p-tus nqi=p-tus nqi(tag nrho tus lej ntawm qhov kev xav tau sim)/(qeb ntawm p-tus nqi), lossis siv R raws li tau hais los ntawm Oliver Gutjahr p.
P-tus nqi vs p-tus nqi yog dab tsi?
Lwm txoj hauv kev los saib qhov txawv yog qhov p-tus nqi ntawm 0.05 txhais tau tias 5% ntawm tag nrho cov kev xeem yuav ua rau qhov tsis zoo. Ib qho FDR kho p-tus nqi (lossis q-tus nqi) ntawm 0.05 txhais tau tias5% ntawm cov kev ntsuas tseem ceeb yuav ua rau muaj qhov tsis zoo. Qhov kawg yuav ua rau muaj qhov tsis tseeb tsawg dua.
Vim li cas peb kho p-tus nqi?
Siv rau ntau qhov kev sib piv hauv ANOVA, qhov hloov pauv p-tus nqi qhia tias qhov kev sib piv theem twg hauv ib tsev neeg ntawm kev sib piv (kev ntsuas kev xav) yog qhov sib txawv. Yog tias qhov hloov kho p-tus nqi tsawg dua alpha, ces koj tsis lees paub qhov kev xav tsis zoo.
Bonferroni hloov p-tus nqi li cas?
Yuav kom tau txais Bonferroni kho / kho p tus nqi, faib tus nqi qub α-tus nqi los ntawm tus lej ntawm kev tshuaj xyuas ntawm qhov sib txawv ntawm qhov sib txawv.
Pom zoo:
Ntawm kev pauv pauv pauv hloov pauv?
Kev sib pauv pauv hloov pauv yog daim ntawv cog lus nyiaj txiag uas tau teev tseg thiab ua lag luam ntawm kev sib pauv hloov pauv. Qhov yooj yim hais, cov no yog cov khoom siv uas tau pauv pauv hauv kev tswj hwm. … Cov yav tom ntej thiab cov kev xaiv yog ob qho kev sib pauv uas nrov tshaj plaws.
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.
