2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Qee tus tsiaj tau yoog raws txoj hauv kev kom muaj sia nyob hauv huab cua kub. … Cov tsiaj reptiles thiab noog tau yoog los ntawm kev tso zis uric acid ua cov khoom dawb uas tsis muaj dej noo. Qhov no txhais tau tias lawv tuaj yeem khaws cov dej tseem ceeb rau lawv lub cev ua haujlwm.
Yuav ua li cas hloov mus nyob hauv qhov kub thiab qhuav?
Hmo txias-feem ntau yog ib feem ntawm thaj chaw suab puam, qhov twg cov neeg nyob hauv yuav tsum muaj peev xwm tiv taus kub, qhuav nruab hnub thiab txias thaum hmo ntuj - nyiam ua kom cov metabolism hauv sov kom sov. lub cev thaum pw tsaug zog. Kev hloov kho cua sov yog ob hom: yoog rau cov cua sov thiab kom qhuav cua sov (cov kab mob suab puam).
Cov tsiaj hloov pauv dab tsi hauv huab cua qhuav?
Yuav ua li cas tsiaj yoog raws li kev nyab xeeb heev
- ntev qhov muag lashes, plaub pob ntseg thiab kaw qhov ntswg pab kom cov xuab zeb tawm.
- pob muag tuab uas sawv tawm thiab ntxoov ntxoo qhov muag los ntawm lub hnub.
- dav taw kom lawv tsis txhob ntog hauv cov xuab zeb.
- lawv mus tsis tau dej li ib lim piam vim lawv haus tau nkas loos ib mus.
Tib neeg tau hloov pauv li cas rau huab cua qhuav?
Tib neeg ua tau nws thiaj li hloov tau cov huab cua kub tom qab ob peb lub lis piam. Cov ntshav siab ntawm cov dej thiab ntsev tau hloov kho kom ua kom txias dua, cov hlab ntsha hloov tau ntau dua rau ntawm daim tawv nqaij, thiab lwm yam. Cov neeg ncaws pob siv cov txheej txheem no thiab cob qhia hauv cov huab cua hnyav kom ua rau ntau duaKev hloov ntawm lub cev muaj zog.
Cov kab mob tau hloov pauv li cas rau lawv qhov kev nyab xeeb?
Thaum qee tus tsiaj (thiab nroj tsuag) ntsib kev cuam tshuam ntawm kev hloov pauv huab cua hauv lawv ib puag ncig, lawv teb los ntawm hloov tus cwj pwm thiab txav mus rau qhov chaw txias dua, hloov kho lawv lub cev kom zoo dua nrog cua sov, lossis hloov lub sijhawm ntawm qee yam dej num kom haum rau cov kev hloov pauv hauv lub caij.
Pom zoo:
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?
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.
