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In Biology / Senior High School | 2025-05-29

Ipaliwanag kung paano gumagana ang tRNA sa proseso ng translation. Ano ang papel ng anticodon at paano ito nakatutulong sa protein synthesis?

Asked by julieasoque4351

Answer (1)

Ang tRNA o transfer RNA ay isang uri ng RNA na may mahalagang papel sa translation—ang hakbang kung saan binabasa ang mRNA upang makabuo ng protein. Ang pangunahing tungkulin ng tRNA ay magdala ng tamang amino acid patungo sa ribosome batay sa genetic code na nasa mRNA.Mahalagang Bahagi ng tRNAAng isang dulo ay nakakabit sa amino acid na ihahatid.Ang kabilang dulo ay may anticodon—tatlong nucleotide na tumutugma sa codon ng mRNA.Habang binabasa ng ribosome ang mRNA mula sa start codon (AUG), tinutukoy nito ang tamang amino acid batay sa codons. Kapag nabasa ng ribosome ang isang codon, hinahanap nito ang tRNA na may complementary anticodon. Halimbawa, kung ang codon sa mRNA ay U-A-C, hahanap ito ng tRNA na may anticodon na A-U-G at nagdadala ng amino acid na methionine.Kapag nagtugma ang codon at anticodon, ililipat ng tRNA ang amino acid sa lumalaking protein chain. Matapos nito, lalabas ang empty tRNA mula sa ribosome at papalitan ng bagong tRNA na may susunod na amino acid. Ang prosesong ito ay uulit-ulit hanggang mabasa ang stop codon at mabuo ang buong protein.Mahalaga ang tRNA dahil ito ang tagapagsalin ng genetic code tungo sa aktwal na substance—ang protein. Kung wala ito, hindi maisasalin ng cell ang instructions ng mRNA sa tamang pagkakasunod ng amino acids, at mabibigo ang protein synthesis.

Answered by MaximoRykei | 2025-06-05

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