2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Cov neeg ua haujlwm txom nyem feem ntau nyob hauv tsev kaw ntom nti, tag nrho lub quarter tsis txaus. Cov xwm txheej ua haujlwm tau nyuaj thiab nthuav tawm cov neeg ua haujlwm rau ntau qhov kev pheej hmoo thiab kev phom sij, suav nrog thaj chaw ua haujlwm nruj nrog qhov cua tsis zoo, raug mob los ntawm cov tshuab, raug mob rau cov hlau hnyav, plua plav, thiab cov kuab tshuaj.
Vim li cas cov haujlwm ua haujlwm tsis zoo thaum lub sijhawm muaj kiv puag ncig?
Yooj yim, kev ua haujlwm tau txaus ntshai thaum lub sijhawm Muaj Kev Hloov Kho. Raws li cov chaw tsim khoom, cov lag luam xav tau cov neeg ua haujlwm. Nrog txoj kab ntev ntawm cov neeg txaus siab ua haujlwm, cov tswv ntiav tuaj yeem tsim cov nyiaj ua haujlwm qis raws li lawv xav tau vim tias tib neeg txaus siab ua haujlwm ntev npaum li lawv tau txais nyiaj.
Lub sijhawm ua haujlwm yog dab tsi thaum lub sij hawm muaj kiv puag ncig?
Cov neeg feem coob tau ua haujlwm nruab nrab ntawm 12 txog 16 teev hauv ib hnub, rau hnub hauv ib asthiv, tsis muaj nyiaj so koobtsheej lossis so haujlwm. Kev nyab xeeb muaj nyob txhua qhov chaw, cov tshuab tsis muaj qhov thaiv kev nyab xeeb lossis laj kab thiab cov menyuam yaus hnub nyoog qis dua 5 xyoos tau ua haujlwm. Cov neeg ua haujlwm hlau ua haujlwm kub ntawm 130 degrees thiab siab dua txhua hnub.
Cov haujlwm ua haujlwm hauv xyoo 1800 yog dab tsi?
Ntau tus neeg ua haujlwm nyob rau xyoo 1800s thiab thaum ntxov 1900s tau siv sijhawm ib hnub rau lub tshuab hauv chav loj, muaj neeg coob coob, nrov nrov. Lwm tus ua haujlwm hauv thee mines, steel mills, railroads, slaughterhouses, thiab lwm txoj haujlwm txaus ntshai. Feem ntau tsis tau them nyiaj zoo, thiab cov hnub ua haujlwm raugyog 12 teev lossis ntau dua, rau hnub hauv ib asthiv.
Lub neej zoo li cas ua ntej Kev Hloov Kho Kev Lag Luam?
Harsh ua hauj lwm tej yam kev mob tau nthuav dav ntev ua ntej Industrial Revolution tshwm sim. Lub neej ua ntej kev lag luam yog qhov zoo li qub thiab feem ntau ua phem heev - kev ua haujlwm me nyuam yaus, kev ua neej nyob qias neeg, thiab cov sij hawm ua haujlwm ntev tsis sib npaug li qhov tshwm sim ua ntej Industrial Revolution.
Pom zoo:
Puas yog qhov hloov pauv tau thaum lub sijhawm muaj kev hloov pauv?
Kev hloov pauv hloov pauv hloov pauv kev lag luamthiab yog li hloov lub ntiaj teb. Txhua qhov kev tsim kho tshiab uas tawm los ntawm kev hloov pauv kev lag luam tau txais txiaj ntsig los ntawm kev sib hloov pauv, lub tshuab nqus tsev, tshuab xaws, xov tooj, thiab ntau dua.
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?
