2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Lub voj voog kev lag luam tau hloov pauv hauv txoj hauv kev tseem ceeb hauv plaub lub xyoos dhau los: cov khoom lag luam hloov pauv tau hloov pauv, GDP kev loj hlob yooj yim rau kev kwv yees, thiab kev poob siab rau GDP yog qhov pheej hmoo ntau dua. Curiously, ib yam uas tsis tau hloov pauv yog qib ntawm synchronization ntawm kev lag luam mus ncig ntawm G7.
Dab tsi tshwm sim rau kev lag luam tom qab xyoo 1984?
Tab sis tom qab xyoo 1984, kev ua haujlwm ua haujlwm tau dhau los ua ze li acyclical. (Saib daim duab 1.) Hauv lwm lo lus, nws tsis txav mus rau hauv kev hais kwv txhiaj nrog lub voj voog lag luam. Nyob rau tib lub sijhawm, kev tsim khoom tsim tau hloov pauv los ntawm kev ua haujlwm zoo nrog cov sijhawm ua haujlwm ua ntej 1984 mus rau qhov tsis zoo nrog cov sijhawm ua haujlwm tom qab xyoo 1984.
Vim li cas lub voj voog kev lag luam hloov pauv?
Txhua lub tebchaws kev lag luam hloov pauv nruab nrab lub sijhawm nthuav dav thiab kev cog lus. Cov kev hloov no yog tshwm sim los ntawm theem ntawm kev ua haujlwm, kev tsim khoom, thiab tag nrho cov kev xav tau thiab kev muab khoom ntawm lub teb chaws cov khoom thiab cov kev pabcuam. Nyob rau lub sijhawm luv luv, cov kev hloov pauv no ua rau lub sijhawm nthuav dav thiab kev poob qis.
Dab tsi cuam tshuam rau lub voj voog lag luam?
Lub voj voog kev lag luam muaj plaub theem ntawm cov khoom lag luam lub neej: kev taw qhia, kev loj hlob, kev loj hlob thiab kev poob qis. … Cov kev hloov pauv cuam tshuam rau lub voj voog kev lag luam suav nrog kev lag luam, nyiaj txiag, kev sib tw thiab sijhawm.
Lub voj voog ua lag luam qhia dab tsi?
Ib lub voj voog lag luam, qee zaum hu ua "kev lag luam" lossis "kev lag luamlub voj voog, " hais txog mus rau ntau theem hauv kev lag luam raws li nws nthuav dav thiab cog lus. Kev rov ua tsis tu ncua, nws yog feem ntau ntsuas los ntawm kev nce thiab poob ntawm tag nrho cov khoom lag luam hauv tebchaws (GDP) hauv ib lub tebchaws..
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).
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?
