2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Adaptability: Nws yog tseem ceeb rau tus neeg ua lag luam kom muaj peev xwm hloov tau zoo rau kev hloov pauv kev lag luam thiab xav tau. … Ua kom pom tseeb: Nws yog ib qho tseem ceeb rau tus ua lag luam ua tau zoo kom muaj peev xwm tsom mus rau lawv cov hom phiaj kom ua tiav lawv. Tsis muaj kev tsom xam tuaj yeem ua rau lawv yuam kev ntawm txoj kev mus rau kev vam meej.
Vim li cas kev hloov pauv tseem ceeb rau kev vam meej?
Adaptability nce koj txoj hauv kev ua tiav, vim koj yuav pom koj tus kheej sim ua haujlwm sib txawv thaum nrhiav haujlwm. Muaj tej lub sij hawm peb ntsib tej xwm txheej tsis zoo uas tshwm sim hauv lub neej. Kev yoog raws ua kom koj nyob twj ywm thaum muaj kev nyuaj siab hauv lub neej sim ua rau koj poob qis.
Kev hloov pauv hauv kev ua lag luam yog dab tsi?
Kev hloov pauv pib nrog tuav lub siab qhib. Nws yog hais txog kev kam txais kev hloov pauv thiab qhib siab rau yam tshiab. Yog tsis muaj kev qhib siab, koj yuav tsis lees txais lub sijhawm thaum lawv tuaj.
Qhov txuj ci tseem ceeb tshaj plaws rau tus lag luam yog dab tsi?
Y
Tus neeg ua lag luam zoo yuav tsum muaj peev xwm ua tau zoo sib txuas lus, muag, tsom, kawm, thiab tawm tswv yim. Kev muaj peev xwm los kawm tsis tu ncua tsis yog ib qho txuj ci tseem ceeb ntawm kev ua lag luam, tab sis kuj yog ib qho txuj ci tseem ceeb hauv lub neej. Kev loj hlob ntawm kev lag luam yuav tsum muaj lub tswv yim zoo raws li kev paub txog kev lag luam thiab kev txawj ntse.
Vim li cas nws tseem ceeb rau tus thawj coj kom muaj kev yoog raws?
Rau cov thawj coj, kev yoog raws yog txog kev npaj nkag mus rauntau txoj kev xav, ua rau cov thawj coj hloov pauv thiab sim ua yam hloov pauv. … Kev nkag siab tob tob thiab kev xav pab cov thawj coj kom nkag siab tias lawv xav li cas, lawv pab neeg xav li cas, thiab lawv cov neeg siv khoom xav li cas.
Pom zoo:
Puas yog kev tswj hwm kev lag luam tseem ceeb rau cov tswv lag luam?
tag nrho, cov txiaj ntsig tau qhia tias kev tswj hwm kev tswj hwm kev tiv thaiv, txawm tias tsis muaj txiaj ntsig zoo rau cov tswv lag luam, tau pom zoo hauv kev lag luam nyiaj txiag. … Kev tswj hwm kev lag luam puas tseem ceeb? Kev tswj hwm kev lag luam zoo ua kom ntseeg tau tias ib puag ncig kev lag luam ncaj ncees thiab pob tshab thiab cov neeg ua haujlwm tuaj yeem lav lav rau lawv qhov kev ua.
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).
Vim li cas cov neeg ua lag luam suav tias yog kev lag luam kev lag luam?
Kev ua lag luam tuaj yeem raug saib raws li kev txuas ntxiv ntawm kev sib tw, hauv qhov kev pom ntawm kev ua lag luam ib txwm suav nrog pom tias qee yam khoom tuaj yeem yuav hauv qhov chaw tshwj xeeb rau qee tus nqi tshwj xeeb, tej zaum tom qab ntawd muab tso ua ke hauv cov txheej txheem tsim khoom los tsim ib yam dab tsi uas tuaj yeem muag hauv ib qho tshwj xeeb… Vim li cas cov neeg ua lag luam tseem ceeb rau kev lag luam?
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?
