Cov lac operon tuaj yeem txhais tau tias yog Operon, lossis pab pawg ntawm cov noob nrog ib tus neeg txhawb nqa Cov noob muaj nyob hauv operon encodes cov proteins uas tso cai rau cov kab mob ua cov lactose. raws li lub zog qhov chaw. … Gene qhia yog qhov tseem ceeb ntawm kev sib txuas ntawm polypeptide saw encoded los ntawm cov noob tshwj xeeb.
Koj txhais li cas los ntawm lac operon?
Lub lac operon yog ib qho operon, los yog pab pawg ntawm cov noob nrog ib tus neeg txhawb nqa(tau sau ua ib qho mRNA). Cov noob nyob rau hauv operon encode proteins uas tso cai rau cov kab mob siv lactose los ua lub zog.
operon chav kawm 12 yog dab tsi?
- Cov neeg ua haujlwm yog thaj chaw ntawm DNA uas yog tsim los ntawm ib pab pawg neeg muaj feem cuam tshuam Lawv muaj xws li ib cheeb tsam txhawb nqa, tus neeg teb xov tooj, thiab ntau yam noob caj noob ces. … - Qhov chaw ntawm tus neeg teb xov tooj xws li qhov chaw uas nws nyob tam sim no txiav txim siab nws txoj cai xws li nws tso cai lossis tiv thaiv kev hloov pauv ntawm cov noob rau hauv mRNA.
lac operon nrog daim duab yog dab tsi?
Lactose lossis lac operon ntawm Escherichia coli yog pawg ntawm peb lub noob caj noob ces encoding proteins koom nrog lactose metabolism thiab cov chaw ntawm DNA koom nrog kev tswj hwm ntawm operon.
lac operon yog dab tsi thiab vim li cas nws tseem ceeb?
Lub lac operon yog qhov tseem ceeb rau cov metabolism thiab hloov cov lactose hauv Escherichia coli thiab lwm yam kab mobRaws li cov piam thaj yog qhov tsim nyog ntawm lub zog, tab sis thaum nws nqus tag, qhov no operon enables lactose digestion siv beta-galactosidase enzyme los muab lub zog rau lub cell.
