2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
transfer RNA / tRNA Proteins yog tsim los ntawm me me hu ua amino acids, uas tau teev los ntawm three-nucleotide mRNA sequences hu ua codons. Txhua codon sawv cev rau ib qho amino acid, thiab txhua codon raug lees paub los ntawm ib qho tshwj xeeb tRNA.
Yog codons ntawm mRNA?
Txhua pawg ntawm peb lub hauv paus hauv mRNA tsim ib codon, thiab txhua tus codon qhia txog cov amino acid tshwj xeeb (li no, nws yog triplet code). Lub mRNA ib ntus yog li siv los ua tus qauv los sib sau ua ke-hauv kev txiav txim-cov saw ntawm cov amino acids uas tsim cov protein. … Cov codons tau sau 5' txog 3', raws li lawv tshwm hauv mRNA.
Puas tRNA ua codons?
Txhua tRNA muaj ib pawg ntawm peb nucleotides hu ua anticodon. Cov tshuaj tiv thaiv ntawm ib qho tRNA tuaj yeem khi rau ib lossis ob peb qhov tshwj xeeb mRNA codons. Lub tRNA molecule kuj nqa ib qho amino acid: tshwj xeeb, ib qho encoded los ntawm codons uas tRNA khi.
Puas yog genetic code mRNA lossis tRNA?
Messenger RNA (mRNA) nqa cov ntaub ntawv caj ces theej los ntawm DNA hauv daim ntawv ntawm peb lub hauv paus code "cov lus," txhua yam uas qhia txog cov amino acid tshwj xeeb.. 2. Hloov RNA (tRNA) yog tus yuam sij rau deciphering cov lus code hauv mRNA.
Is tRNA antiparallel rau mRNA?
Ib anticodon yog peb lub hauv paus ib ntus, ua ke nrog cov amino acid tshwj xeeb, uas tRNA molecule coj mus rau qhov sib thooj codon ntawm mRNA thaum lub sijhawm txhais lus. Anticodon sequence yogcomplementary rau mRNA, siv lub hauv paus khub nyob rau hauv anti-parallel kev taw qhia.
Pom zoo:
Mrna lub hom phiaj yog dab tsi?
Messenger RNA (mRNA) nqa cov ntaub ntawv keeb kwm theej los ntawm DNA hauv daim ntawv ntawm cov lej ntawm peb lub hauv paus "cov lus," txhua yam uas qhia txog cov amino acid tshwj xeeb. 2. Hloov RNA (tRNA) yog tus yuam sij rau deciphering cov lus code hauv mRNA.
Lub sijhawm txhais lus n-formyl-methionine-trna khi rau mrna nrog kev pab ntawm?
Thaum N-formylmethionine (fMet)-tRNA khi nrog P site, tRNA molecule nrog an anticodon uas koom nrog codon ntawm cov neeg nyob sib ze pib codon tuaj yeem ua ke nrog cov Ib qhov chaw ntawm 70S pib ua haujlwm. TRNA khi rau mRNA li cas? TRNA khi rau codons hauv mRNA li cas?
Lub sijhawm txhais lus lub codon ntawm mrna yog 'nyeem' los ntawm?
Hauv kev txhais lus, cov codons ntawm mRNA tau nyeem nyob rau hauv kev txiav txim (los ntawm 5' kawg mus rau 3' kawg) los ntawm molecules hu ua hloov RNAs, lossis tRNAs. Txhua tRNA muaj cov tshuaj tiv thaiv kab mob, ib txheej ntawm peb nucleotides uas khi rau qhov sib txuam mRNA codon los ntawm kev sib koom ua ke.
Puas pom codons hauv mrna?
Txhua pawg ntawm peb lub hauv paus hauv mRNA suav uaib codon, thiab txhua tus codon qhia txog cov amino acid tshwj xeeb (li no, nws yog triplet code). Lub mRNA ib ntus yog li siv los ua tus qauv los sib sau ua ke-hauv kev txiav txim-cov saw ntawm cov amino acids uas tsim cov protein.
Yuav ua li cas trna khi rau mrna?
TRNA khi rau codons hauv mRNA li cas? Lub hauv paus ntxiv ntawm codon thiab anticodon tau tuav ua ke los ntawm hydrogen bonds, tib hom kev sib cog lus uas tuav ua ke cov nucleotides hauv DNA. Lub ribosome tsuas yog tso cai rau tRNA los khi rau mRNA yog tias nws nqa cov amino acid.
