2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Qhov sib txawv ntawm tus kheejyog qhov sib txawv uas tus kws sim ua haujlwm lossis hloov pauv, thiab xav tias muaj kev cuam tshuam ncaj qha rau qhov sib txawv ntawm qhov sib txawv.
Dab tsi yog qhov tseem ceeb hauv qhov kev sim uas hloov pauv?
Ib variable yog txhua yam uas hloov tau lossis hloov tau. Hauv lwm lo lus, nws yog ib qho tseem ceeb uas tuaj yeem hloov kho, tswj tau, lossis ntsuas hauv qhov kev sim.
Puas yog ib qho ntawm qhov kev sim uas tsis hloov?
Constant - Cov yam ntxwv uas tsis hloov pauv thaum sim. … Independent Variable - Ib qho kev hloov pauv ywj pheej yog qhov sib txawv ntawm tus neeg sim ua kom pom tseeb tias nws cuam tshuam rau qhov sib txawv.
Dab tsi yog yam uas txhob txwm hloov?
Manipulated variable: Qhov tseem ceeb hauv qhov kev sim uas txhob txwm hloov pauv los ntsuas qhov kev xav.
Dab tsi yog qhov tseem ceeb uas hloov pauv hauv cov lus teb rau qhov hloov pauv ywj pheej?
Qhov sib txawv ntawm qhov sib txawv yog qhov hloov pauv hauv cov lus teb rau qhov sib txawv ntawm tus kheej.
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).
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?
