Video: Puas yog Lactose yog kev sib tw inhibitor?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Thaum lub inhibitor khi reversibly mus rau lub active site ntawm lub enzyme nws yog hu ua a COMPETITIVE INHIBITOR . Hauv qhov kev sim no koj yuav siv cov enzyme β-galactosidase. Nws qhov qub substrate yog lactose tab sis koj yuav siv cov khoom siv hluavtaws, ONPG.
Ib yam li ib tug yuav nug, dab tsi yog cov inhibitors ntawm lactase?
lactase tau txwv los ntawm tag nrho peb qhov kev noj zaub mov zoo hauv qab zib- qabzib , galactose cov , thiab fructose qab zib . Yog li, lactase inhibition tsis pom nrog cov khoom ntawm hydrolysis nkaus xwb, xws li fructose qab zib tsis yog khoom lag luam ntawm lactose hydrolysis.
Ib tug kuj yuav nug, vim li cas Onpg siv es tsis txhob lactose? required-Galactosidase xav tau rau lactose kev siv, yog li siv cov xim tsim tau tuaj yeem yog siv raws li kev ntsuas ntawm tus nqi enzymatic. Txawm yog ONPG kev ua yeeb yam lactose thiab yog hydrolyzed los ntawm β-galactosidase, nws tsis tuaj yeem ua tus inducer rau lac operon.
Tom qab ntawd, lo lus nug yog, yuav lactose inhibit ONPG hydrolysis los ntawm lactase?
Cov hydrolysis ntawm ob qho tib si oNPE thiab lactose yog kev sib tw txwv los ntawm cov khoom kawg cov piam thaj thiab galactose.
Hom tshuaj tiv thaiv dab tsi yog MGP?
Chr. Matrix gla protein ( MGP ) yog cov tswv cuab ntawm tsev neeg ntawm vitamin-K2 nyob ntawm, Gla-muaj cov proteins. MGP muaj kev sib raug zoo siab khi rau calcium ions, zoo ib yam li lwm cov proteins uas muaj Gla. Cov protein ua raws li ib qho inhibitor ntawm vascular mineralization thiab ua lub luag haujlwm hauv cov koom haum pob txha.
Pom zoo:
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