Vim li cas cov txheej txheem ntawm cov protein synthesis tseem ceeb rau lub neej?
Vim li cas cov txheej txheem ntawm cov protein synthesis tseem ceeb rau lub neej?

Video: Vim li cas cov txheej txheem ntawm cov protein synthesis tseem ceeb rau lub neej?

Video: Vim li cas cov txheej txheem ntawm cov protein synthesis tseem ceeb rau lub neej?
Video: Yuav tawm ntawm txoj kev txom nyem tau li cas? 2024, Kaum ib hlis
Anonim

Protein synthesis yog cov txheej txheem txhua lub cell siv los ua cov proteins , uas yog lub luag haujlwm rau tag nrho cov qauv ntawm tes thiab kev ua haujlwm. Cov protein yog tseem ceeb nyob rau hauv txhua lub hlwb thiab ua haujlwm sib txawv, xws li koom nrog cov pa roj carbon dioxide rau hauv qab zib hauv cov nroj tsuag thiab tiv thaiv cov kab mob los ntawm cov tshuaj phem.

Kuj nug, yuav ua li cas tshwm sim yam tsis muaj protein synthesis?

Ribosomes muaj cov molecules hu ua RNA. Cov molecules tuav tag nrho cov lus qhia tsim nyog rau ribosomes ua protein synthesis los yog tus txheej txheem ntawm kev tsim cov proteins . Tsis muaj cov no cov proteins , DNA kho yuav tsis yog tshwm sim , ua rau muaj kev hloov pauv thiab teeb meem xws li mob qog noj ntshav.

Tsis tas li ntawd, lub hom phiaj ntawm cov protein synthesis yog dab tsi DNA thaum kawg code rau? Cells siv cov caj ces code khaws cia hauv DNA tsim cov proteins , qho thaum kawg txiav txim tus qauv thiab muaj nuj nqi ntawm lub cell. Qhov no caj ces code nyob rau hauv cov kab ke tshwj xeeb ntawm nucleotides uas ua rau txhua tus noob nyob rau hauv DNA molecule. Kom "nyeem" no code , lub xovtooj ntawm tes yuav tsum ua ob theem ua ntu zus.

Tsis tas li ntawd, cov txheej txheem ntawm cov protein synthesis yog dab tsi?

Protein synthesis yog cov txheej txheem uas cell ua cov proteins . Nws tshwm sim nyob rau hauv ob theem: transcription thiab translation. Kev hloov pauv yog hloov cov lus qhia caj ces hauv DNA mus rau mRNA hauv lub nucleus. Tom qab mRNA ua tiav, nws nqa cov lus qhia rau ribosome hauv cytoplasm.

Dab tsi yog protein synthesis yooj yim txhais?

Protein biosynthesis ( synthesis ) yog thaum cell tsim cov proteins . Cov lub sij hawm yog qee zaum siv los xa mus rau xwb protein ntau kev txhais lus tab sis ntau zaus nws hais txog ntau txoj hauv kev. Amino acids yog synthesized los yog noj nyob rau hauv cov zaub mov. Tom qab ntawd, tom qab transcription ntawm polypeptide noob, cov amino acids muab tso ua ke.

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