Video: Dab tsi yog pawg ntawm 3 tRNA hauv paus uas haum rau mRNA hu ua?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Cov mRNA bases tau pab pawg ua teeb ntawm peb, hu ua codons. Txhua codon muaj ib tug complementary teeb ntawm hauv paus , hu ua ib anticodon. Anticodons yog ib feem ntawm kev hloov RNA ( tRNA ) cov molecules. Txuas rau txhua tus tRNA molecule yog ib qho amino acid - qhov no, cov amino acid yog methionine (met).
Ib yam li ib tug yuav nug, dab tsi yog 3 N hauv paus ntawm tRNA hu ua?
Raws li cov peb sib law liag nitrogen hauv paus yog mRNA hu ua ib codon, yog li ntawd, cov no peb nthuav tawm nitrogen bases ntawm tRNA yog hu ua cov anticodon. Muaj ntau hom tRNA . Lawv txawv ntawm cov anticodons. Yog tias cov anticodons txawv, cov amino acids lawv nqa yuav txawv.
Ib sab saum toj no, tRNA siv dab tsi los phim rau mRNA? Thaum txhais lus, tRNA molecules ua ntej sib tw nrog rau cov amino acids uas haum lawv qhov chaw txuas. Ces, lub tRNAs nqa lawv cov amino acids mus rau qhov mRNA txoj hlua. Lawv sib phim rau lub mRNA los ntawm txoj kev ntawm ib qho anticodon nyob rau sab nraud ntawm lub molecule. Txhua anticodon rau tRNA sib mus nrog ib tug codon ntawm lub mRNA.
Ib yam li ntawd, lub hauv paus ntawm mRNA yog dab tsi?
Ib txoj hlua ntawm mRNA muaj plaub yam sib txawv puag hom xws li uracil, cytosine, guanine thiab adenine. Puas yog ib qho ntawm no hauv paus sib raug rau antisense DNA strand's complementary puag.
Dab tsi yog 3 qhov ntev ntawm cov hauv paus hu ua?
peb nucleotides- hu ua triplet lossis codon-codes rau ib qho amino acid hauv cov protein. Cov nucleotide ib ntus Nyob rau hauv DNA yog thawj transcribed mus rau hauv ib tug molecule ntawm messenger RNA (ribonucleic acid).
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Lub hauv paus mRNA tau muab faib ua peb pawg, hu ua codons. Txhua codon muaj cov txheej txheem ntxiv ntawm cov hauv paus, hu ua anticodon. Anticodons yog ib feem ntawm kev hloov RNA (tRNA) molecules