2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
USA. Kev hloov pauv hauv Tebchaws Meskas (piv txwv li, los ntawm Republican Party mus rau Democratic Party, lossis vice-versa) yog qhov tsawg. Thaum lub sijhawm xyoo 1947 thiab 1997, tsuas yog 20 tus tswvcuab ntawm Pawg Neeg Sawv Cev thiab Senate tau hloov ob tog.
Puas yog kev hloov pauv kev ntseeg siab los ntawm tog uas ib tus neeg tau raug xaiv mus rau lwm tog?
Txoj kev sib hlub ntawm tog twg uas tus neeg mus xaiv rau lwm tog hu ua defection.
Leej twg hloov ob tog xyoo 1964?
1964 - Strom Thurmond, thaum US Senator los ntawm South Carolina (1954-2003).
Kev Dealignment yog dab tsi?
Kev txiav txim siab, hauv kev tshawb fawb txog kev nom kev tswv, yog ib qho qauv lossis txheej txheem uas feem ntau ntawm cov neeg xaiv tsa tso tseg nws txoj kev koom nrog yav dhau los (tsoomfwv nom tswv) koom nrog, yam tsis tau tsim ib qho tshiab los hloov nws. Nws yog qhov sib txawv nrog kev hloov pauv nom tswv.
Lub hom phiaj ntawm pawg nom tswv yog dab tsi?
Ib pawg nom tswv yog ib pawg neeg uas sim cuam tshuam txog txoj cai tswjfwm thiab nws lub hom phiaj kawg yog kom tswj hwm tsoomfwv los ntawm kev xaiv cov neeg nyiam xaiv. Ob tog nom tswv, Democratic Party thiab Republican Party, tau kav ntev los ntawm Asmeskas tsoom fwv thiab kev nom kev tswv.
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).
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?
