2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Txoj kev hloov pauv nyob rau hauv BP muaj kev cuam tshuam zoo rau kev ua haujlwm hlwb thiab lub cev. Kev ntxhov siab ntawm lub hlwb thiab lub cev nce siab BP thaum sawv ntxov thiab nruab hnub thiab tuaj yeem ua rau sawv ntxov thiab nruab hnub kub siab. Kev pw tsaug zog nce siab thaum hmo ntuj BP thiab tej zaum yuav muaj lub luag haujlwm rau kev tsis ua haujlwm.
Lub sijhawm nruab hnub cuam tshuam li cas ntshav siab?
Feem ntau, ntshav siab pib nce ob peb teev ua ntej koj sawv. Nws tseem nce ntxiv thaum nruab hnub, peaking nyob rau nruab nrab. Ntshav siab ib txwm poob thaum yav tav su thiab yav tsaus ntuj. Ntshav siab ib txwm qis dua thaum hmo ntuj thaum koj tsaug zog.
Vim li cas ntshav siab hloov pauv txhua hnub?
Qee qhov kev hloov pauv ntawm cov ntshav siab thoob plaws ib hnub yog qhov qub, tshwj xeeb tshaj yog cov lus teb rau hloov pauv me me hauv lub neej txhua hnub xws li kev ntxhov siab, kev tawm dag zog, lossis koj pw tsaug zog npaum li cas hmo ua ntej. Tab sis qhov kev hloov pauv uas tshwm sim tsis tu ncua dhau ntau tus kws kho mob tuaj yeem qhia txog qhov teeb meem hauv qab.
ntshav siab npaum li cas thaum sawv ntxov mus rau yav tsaus ntuj?
Dr. Raymond Townsend, tus kws tshaj lij pab dawb rau American Heart Association, hais tias ntshav siab feem ntau yog siab dua thaum sawv ntxov thiab qis dua yav tav su thiab yav tsaus ntuj. Piv nrog rau cov qauv ntshav siab tag nrho nruab hnub, cov ntshav siab feem ntau yog li 10% txog 20% qis dua thaum pw tsaug zog.
Dab tsi yog qhov ua rauKev hloov pauv hauv ntshav siab?
ntsuas ntshav siab txawv vim muaj ntau yam xws li ntsuas cov txheej txheem, qhov tseeb ntawm cov cuab yeej, thiab ntau yam neeg mob xws li kev ntxhov siab. Txawm hais tias cov xwm txheej no raug tswj los, ntshav siab yuav raug hloov pauv los ntawm kev sib tw mus rau ntaus, feeb mus rau feeb, thiab hnub rau ib hnub.
Pom zoo:
Ntawm kev pauv pauv pauv hloov pauv?
Kev sib pauv pauv hloov pauv yog daim ntawv cog lus nyiaj txiag uas tau teev tseg thiab ua lag luam ntawm kev sib pauv hloov pauv. Qhov yooj yim hais, cov no yog cov khoom siv uas tau pauv pauv hauv kev tswj hwm. … Cov yav tom ntej thiab cov kev xaiv yog ob qho kev sib pauv uas nrov tshaj plaws.
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).
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.
