Video: Dab tsi yog qhov txhais ntawm ribosomal RNA?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Kho mob Kev txhais ntawm rRNA
rRNA : Ribosomal RNA , molecularcomponent ntawm a ribosome , lub cell qhov tseem ceeb proteinfactory. Hais lus nruj, ribosomal RNA ua ( rRNA ) tsis ua cov protein. Nws ua rau polypeptides (kev sib sau ntawm aminoacids) uas mus ua cov proteins
Ib yam li ntawd, lub luag haujlwm ntawm ribosomal RNA yog dab tsi?
Ribosomal RNA ( rRNA ) yog ib feem ntawm ribosome , los yog protein builders, ntawm tes. Ribosomes yog lub luag haujlwm rau kev txhais lus, lossis cov txheej txheem peb lub hlwb siv tomake proteins. rRNA yog lub luag haujlwm rau kev nyeem cov lus txiav txim ntawm cov amino acids thiab txuas cov amino acids ua ke. Lawv ua qhov no los ntawm kev ua ntu zus.
Tsis tas li ntawd, S hauv 16s rRNA sawv cev rau dab tsi? 16S rRNA sawv cev rau 16S ribosomal ribonucleicacid ( rRNA ), qhov twg S (Svedberg) yog ib chav ntsuas kev ntsuas (sedimentation rate). Qhov no rRNA yog ib qho tseem ceeb ntawm cov me me subunit (SSU) ntawm prokaryotic ribosomes nrog rau mitochondria thiab chloroplasts. DNAsegment coding rau rRNA yog hu ua rRNA gene los yog rDNA.
Yog li ntawd, ribosomal RNA yog dab tsi?
Peb hom loj ntawm RNA uas tshwm sim hauv cellinclude rRNA , mRNA, thiab hloov RNA (tRNA). Molecules of rRNA yog synthesized nyob rau hauv ib cheeb tsam tshwj xeeb ntawm lub cell nucleus hu ua lub nucleolus, uas tshwm raws li ib tug densearea nyob rau hauv lub nucleus thiab muaj cov noob uas encode. rRNA.
Lub luag haujlwm ua haujlwm ntawm tRNA thiab rRNA yog dab tsi?
Zoo li rRNA , tRNA yog nyob rau hauv lub cellularcytoplasm thiab koom nrog cov protein synthesis. Hloov RNA coj los yog hloov cov amino acids mus rau ribosome uas sib haum mus rau peb-nucleotide codon ntawm rRNA . Cov amino acids ces tuaj yeem koom ua ke thiab ua tiav los ua polypeptides thiab cov protein.
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