2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Kev hloov pauv tsis thim rov qab qhov kev txiav txim siab thiab tus neeg txais kev hloov pauv tseem ua txhaum raws li thawj qhov kev txiav txim siab. … Cov xwm txheej yuav tsum raug cai thiab tsim nyog, thiab feem ntau yuav tas sij hawm thaum tus neeg raug txim ua tiav ib feem ntawm nws kab lus.
Nws txhais li cas thaum ib kab lus raug commuted?
raug hloov (lub txim raug kaw lossis lwm qhov raug nplua) mus rau qhov hnyav dua: Lub txim tuag tau raug kaw mus rau lub neej. pauv rau lwm tus lossis rau lwm yam; muab thiab coj reciprocal; kev sib pauv. to change: to commute base metal into kub.
Leej twg muaj hwj chim commute ib kab lus?
Tus Thawj Kav Tebchaws txoj kev lees paub lub zog suav nrog txoj cai taug kev, lossis txo qis, ib kab lus raug txiav txim siab los ntawm tsoomfwv ua txhaum cai, suav nrog txoj cai xa tawm, lossis txo, tus nqi ntawm ib daim ntawv nplua lossis kev them rov qab uas tsis tau them lawm.
Raws li qhov xwm txheej twg yog kev sib hloov ntawm kab lus siv?
Txhua tus neeg raug txim txhaum cai hauv California yog tsim nyograu kev sib hloov (tshwj tsis yog tsoomfwv cov neeg raug foob). Nco ntsoov tias California tus tswv xeev tsis tuaj yeem hais tawm ib kab lus yog tias qhov kev txiav txim rau: Ua txhaum txoj cai lij choj ntawm lwm lub xeev lossis lub tebchaws, Ua txhaum cai ntawm tsoomfwv, lossis.
piv txwv ntawm kev sib hloov yog dab tsi?
Kev sib hloov, hauv kev cai lij choj, luv luv ntawm lub sijhawm ntawm kev rau txim lossis txo qis ntawm qib ntawmrau txim. Piv txwv li, 10-xyoo raug kaw yuav raug kaw mus rau 5 xyoos, lossis ib qho kev txiav txim tuag yuav raug txiav mus rau hauv tsev lojcuj.
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.
