2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
A convertible yog a daim ntawv cog lus, nyiam sib koom nyiam tshaj tawm Ib qho khoom lag luam nyiam yog ib chav ntawm cov khoom lag luam uas tau tso cai qee yam uastxawv ntawm cov khoom lag luam. Namely, cov khoom lag luam nyiam feem ntau muaj cov nyiaj faib nyiaj ntau dua, thiab kev thov ntau dua rau cov khoom muaj nqis thaum muaj kev lag luam. https://www.investopedia.com › lus › preferredstock
Preferred Tshuag txhais - Investopedia
lossis lwm yam cuab yeej nyiaj txiag uas tuaj yeem hloov pauv los ntawm tus tswv cuab rau hauv cov khoom lag luam. Hloov pauv kev nyab xeeb tsis raug cais raws li cov nuj nqis lossis kev ncaj ncees; Hloov chaw, lawv raug suav tias yog ib qho kev sib xyaw ntawm ob pawg, muaj cov nyiaj ntsuab ntws ntawm ob daim ntawv cog lus thiab cov khoom lag luam.
Yuav hloov pauv nyiaj txiag yog dab tsi?
Nyob rau hauv kev nyiaj txiag, daim ntawv cog lus hloov pauv lossis daim ntawv hloov pauv lossis cov nuj nqis hloov pauv tau (lossis hloov pauv tau yog tias nws muaj hnub nyoog ntau dua 10 xyoo) yog hom ntawv cog lus uas tus tuav tuaj yeem hloov mus ua ib qho tau teev tus lej ntawm cov khoom lag luam hauv cov tuam txhab muab lossis nyiaj ntsuab ntawm tus nqi sib npaug.
Yuav ua li cas hloov pauv kev nyab xeeb muab qee yam piv txwv?
Cov hom kev hloov pauv tau zoo tshaj plaws yog hloov pauv tau daim ntawv cog lus thiab hloov pauv tau nyiam tshaj tawm, uas tuaj yeem hloov mus rau hauv cov khoom lag luam.
Yuav ua li cas hloov daim ntawv cog lus ua haujlwm?
Ib daim ntawv cog lus hloov pauv them cov nyiaj tau los tas li cov paj laum, tab sis tuaj yeem hloov mus rau hauv cov khoom lag luam uas tau txiav txim siab ua ntejshares. Kev hloov pauv los ntawm daim ntawv cog lus mus rau cov khoom lag luam tshwm sim ntawm lub sijhawm tshwj xeeb hauv daim ntawv cog lus lub neej thiab feem ntau yog nyob ntawm kev txiav txim siab ntawm tus tswv cuab.
Puas hloov pauv kev nyab xeeb yog kev nqis peev zoo?
Convertibles muab muaj peev xwm txaus rau kev txaus siabdua li cov tuam txhab lag luam ib txwm ua lag luam thiab cov neeg lag luam tuaj yeem hloov pauv kom tau txais txiaj ntsig los ntawm cov nqi nce nqi. Hauv cov nyiaj tau los ruaj khov, cov khoom hloov pauv tuaj yeem txhim kho cov nyiaj rov qab los ntawm kev cuam tshuam rau cov nqi sib npaug ntawm cov nqi nce thiab txo qhov cuam tshuam ntawm kev nce paj paj.
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).
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.
