RNA muaj muaj peev xwm zoo li cov noob caj noob ces; nws ib zaug yuav tsum nqa cov txheej txheem keeb kwm ntawm nws tus kheej. Tam sim no nws zoo li qhov tseeb tias RNA yog thawj lub cev ntawm kev xeeb tub, yog li nws hloov kho txhua txoj hauv kev tseem ceeb rau khaws cia thiab nthuav qhia cov ntaub ntawv keeb kwm yav dhau los ua ntej DNA tuaj rau ntawm qhov chaw.
RNA hloov mus rau DNA li cas?
Qhov tshwm sim ntawm DNA genomes hauv RNA ntiaj teb. … Hauv thawj zaug, protein enzymes hloov zuj zus ua ntej DNA genomes. Hauv qhov thib ob, RNA ntiaj teb muaj RNA polymerase ribozymes uas muaj peev xwm tsim tau ib leeg-stranded complementary DNA thiab ces hloov nws mus rau hauv ruaj khov ob-stranded DNA genomes.
Cov pov thawj dab tsi txhawb qhov kev thov tias RNA hloov zuj zus ua ntej DNA?
Nyob rau hauv cov hlwb ntxov tshaj plaws, ua ntej-RNA molecules yuav tau ua ke cov caj ces, cov qauv, thiab catalytic zog thiab cov haujlwm no yuav maj mam hloov los ntawm RNA. Niaj hnub no (ntxiv …) Cov pov thawj uas RNA tau tshwm sim ua ntej DNA hauv kev hloov pauv tuaj yeem pom hauv cov tshuaj sib txawv ntawm lawv
Vim li cas RNA yog thawj cov khoom siv caj ces thiab tsis yog DNA?
RNA hauv hlwb, RNA yog thawj cov khoom siv caj ces vim: … RNA muaj peev xwm khaws cia thiab ua kom cov ntaub ntawv caj ces. 2. RNA tau tsim nyob rau hauv cov txheej txheem tseem ceeb ntawm lub neej nrog rau cov metabolism, kev txhais lus, splicing, thiab lwm yam.
Vim li cas nws thiaj ntseeg tias RNA yog thawj cov ntaub ntawv xov xwm hloov pauv?
Vim li cas nws thiaj ntseeg tias RNA yog thawj cov ntaub ntawv xov xwm hloov pauv? RNA molecules muaj peev xwm ua tau raws li ob qho tib si enzymes thiab substrates rau lawv tus kheej replicationThawj cov hlwb feem ntau yuav heterotrophic anaerobes vim: lawv siv preformed organic molecules thiab tsis xav tau oxygen.
