2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Zoo sau ntawv ua ntej, tab sis siv ceev faj Nws yuav xav tias koj tsis txaus siab rau nws yog tias nws ib txwm yog tus pib sib tham. … Yog li yog tias nws tau xa ntawv ua ntej thiab pib ob qhov kev sib tham zaum kawg, nws yog koj tig los pib sib tham. Tsis txhob hnov qab txog cov lej!
Koj yuav tsum pib xa ntawv ntau npaum li cas?
Ntau dua li txoj cai ntawm tus ntiv tes xoo. Nws yog kiag li zoo los pib sib tham txhua lub sij hawm uas xav tias yog rau koj. Nws kuj tseem ok los pib tsawg zaus thiab ntau ntawm ib sab ntawm txhua 3-5 cov lus. Lub ntsiab lus yog tsis muaj leej twg yuav tsum ua txhua yam haujlwm.
Kuv puas yuav tsum tau xa ntawv mus rau nws ua ntej?
Koj yuav tsum tau xa ntawv mus rau nws ua ntej yog tias, koj ncav cuag nws kom sib txuas lus ncaj ncees thiab sib txuas lus nrog nws. Yog tias yog vim li cas koj tab tom xa ntawv rau nws raws li kev txhawj xeeb, ntshai lossis kev ntxhov siab. Xws li, sim "kom nws nyiam" lossis tswj nws ua ib yam dab tsi rau koj.
txhais li cas yog hais tias ib tug txiv neej tsis sau ntawv rau koj ua ntej tab sis ib txwm teb?
Yog nws tsis sau ntawv ua ntej, tab sis ib txwm teb, nws yuav ntshai me ntsis ntawm koj. … Yog hais tias lawv tsis tau muaj ib tug hluas nkauj ua siab tawv txaus los muab ob npaug rau ntawv los yog xa ntawv rau lawv ua ntej, lawv yuav tsis paub meej tias yuav ua li cas. Lawv yuav ntshai me ntsis txog yuav ua li cas ua si thiab xav kom lawv txaus siab rau koj.
Yuav ua li cas tus txiv neej nco koj phem?
8 Txoj Kev Ua Kom Nws Nco Koj
- Cia nws pib pib. …
- Tsis txhob cia nws xav tias nws muaj koj sai dhau. …
- Tsis txhob hais 'yog' rau nws txhua lub sijhawm. …
- Ua rau nws xav tias nws yuav nyob tsis muaj koj. …
- Ua lub sijhawm koj siv ua ke zoo kawg nkaus kom nws xav tau koj ntau dua. …
- Ua rau nws nco koj uas tsis hu nws.
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.
