2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Ribosomal subunits yog tsim los ntawm ribosomal RNA (rRNA) thiab proteins. Ribosomal subunits nrog S-nqi sib txawv yog tsim los ntawm cov molecules sib txawv ntawm rRNA, nrog rau cov protein sib txawv. Nco ntsoov tias RNA yog ib qho polymer ntawm ribonucleotides uas muaj nitrogenous puag adenine, uracil, guanine, los yog cytosine.
ribosomal subunits nyob qhov twg?
Eukaryote ribosomes yog tsim thiab sib sau ua ke hauv the nucleolus. Ribosomal proteins nkag mus rau hauv nucleolus thiab ua ke nrog plaub rRNA strands los tsim ob lub ribosomal subunits (ib qho me me thiab ib qho loj) uas yuav ua kom tiav ribosome (saib daim duab 1).
Dab tsi yog qhov me me ribosomal subunit ua los ntawm?
Lub me me ribosomal subunit yog tsim los ntawm ib ribosomal RNA (rRNA) molecule. Hauv cov kab mob (Escherichia coli yuav raug siv los ua cov kab mob siv hauv kab lus no), nws yog hu ua 16S RNA raws li nws qhov nrawm nrawm. Hauv E. coli, 16S RNA muaj 1542 nucleotides.
Dab tsi ua rau ribosomal subunits nrog rRNA?
rRNA yog ib qho ribozyme uas ua cov protein synthesis hauv ribosomes. Ribosomal RNA yog transcribed los ntawm ribosomal DNA (rDNA) thiab ces khi rau ribosomal proteins los tsim me me thiab loj ribosome subunits. … Ribosomes muaj li ntawm 60% rRNA thiab 40% ribosomal proteins los ntawm pawg.
ribosome ua los ntawm dab tsi?
Ribosomes yog tsim los ntawmribosomal proteins thiab ribosomal RNA (rRNA). Hauv prokaryotes, ribosomes yog kwv yees li 40 feem pua ntawm cov protein thiab 60 feem pua rRNA.
Pom zoo:
Puas yog cov dab dab dab dab dab dab dab dab dab dab dab dab?
Myth: Ib tug dab tshos tsis yog neeg ncaj ncees yog tiasnws haum yog. Fact: Tu siab, qhov no yog ib lo lus tsis tseeb uas tau raug perpetuated los ntawm aversive trainers. Txawm hais tias haum rau lub caj dab kom zoo khawb rau hauv cov tawv nqaij rhiab nyob ib ncig ntawm lub caj dab, uas ua rau muaj kev puas tsuaj loj rau cov thyroid, esophagus, thiab trachea.
Ib yam twg tuav cov ribosomal subunits ua ke?
Txhua chav tsev ribosomal muaj RNA nucleotide molecules thiab lawv cov proteins cuam tshuam. Thaum ob lub subunits no koom ua ke, nws tsim cov ribosomes nquag ntawm kev sib txuas ntawm cov protein. Qhov kev koom ua ke ntawm ob lub subunits no tsuas yog ua los ntawm magnesium ions tam sim no hauv cell.
Thaum cov ribosomal subunits cais?
Thaum cov protein ntau tsis tau ua tiav, ob lub subunits ntawm ribosome raug cais. Xyoo 2000, qhov ua tiav peb-dimensional qauv ntawm cov loj thiab me subunits ntawm ib tug ribosome tau tsim. Yuav ua li cas rau cov ribosomal subunits?
Dab tsi yog kev xav ntawm autonomists dab tsi yog qhov kev xav ntawm kev zoo nkauj ntawm kev coj ncaj ncees?
Kev lig kev cai, muaj ob txoj haujlwm tawm tsam kev xav txog kev coj ua raws li kev cai lij choj ntawm kev ntsuas kev ncaj ncees ntawm kev kos duab: 'kev coj ncaj ncees kev ncaj ncees Ethics lossis kev coj ncaj ncees yog ib ceg ntawm kev xav uas "
Cov ribosomal subunits ua li cas?
Eukaryote ribosomes yog tsim thiab sib sau ua ke hauv cov nucleolus. Ribosomal proteins nkag mus rau lub nucleolus thiab ua ke nrog plaub rRNA strands rautsim ob lub ribosomal subunits (ib qho me me thiab ib qho loj) uas yuav ua kom tiav ribosome (saib daim duab 1).
