Video: Pentose shunt yog dab tsi?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Cov pentose phosphate pathway (PPP; kuj hu ua phosphogluconate txoj kev thiab hexose monophosphate shunt ) yog cov txheej txheem uas zom cov piam thaj-6-phosphate rau hauv NADPH thiab pentoses (5-carbon qab zib) siv rau hauv cov txheej txheem hauv qab dej.
Ib yam li ntawd, lub hom phiaj ntawm cov theem nonoxidative ntawm pentose phosphate shunt yog dab tsi?
Cov pentose phosphate txoj kev yog lwm txoj hauv kev rau glycolysis thiab tsim NADPH ( oxidative theem ) thiab pentoses (5-carbon qab zib, nonoxidative theem ). Nws kuj metabolizes kev noj haus pentoses thiab muab glycolytic/gluconeogenic intermediates.
Ib yam li ntawd, lub hom phiaj ntawm hexose monophosphate shunt yog dab tsi? Cov hexose monophosphate shunt , tseem hu ua pentose phosphate pathway, yog txoj hauv kev tshwj xeeb uas siv los tsim cov khoom lag luam tseem ceeb hauv lub cev vim ntau yam. Cov HMP swb yog lwm txoj hauv kev rau glycolysis thiab tau siv los tsim cov ribose-5-phosphate thiab nicotinamide adenine dinucleotide phosphate (NADPH).
Kuj nug, lub hom phiaj ntawm txoj kev pentose phosphate yog dab tsi?
Cov pentose phosphate txoj kev feem ntau yog catabolic thiab ua lwm yam qabzib oxidizing txoj kev rau tiam ntawm NADPH uas yuav tsum tau rau txo cov biosynthetic tshuaj xws li cov cholesterol biosynthesis, bile acid synthesis, steroid hormone biosynthesis, thiab fatty acid synthesis.
Puas yog qabzib yog pentose?
Zoo ib yam li qee cov txheej txheem hauv cellular respiration, cov molecules uas dhau mus pentose Txoj kev phosphate feem ntau yog ua los ntawm carbon. Kev tawg ntawm cov suab thaj yooj yim, qabzib , hauv glycolysis muab thawj 6-carbon molecule xav tau rau lub pentose phosphate txoj kev.
Pom zoo:
Dab tsi yog bureaucracy thiab nws cov haujlwm yog dab tsi?
Cov haujlwm ntawm Tsoom Fwv Teb Chaws Bureaucracy. Tsoom fwv teb chaws bureaucracy ua peb lub luag haujlwm tseem ceeb hauv tsoomfwv: kev siv, kev tswj hwm, thiab kev tswj hwm. Kev ua haujlwm niaj hnub ntawm bureaucracy - sau nqi, muab ntawv tso cai, muab xeem, thiab ntxiv rau - yog kev tswj hwm ntawm nws lub hom phiaj
Lub luag haujlwm ntawm pentose phosphate txoj kev yog dab tsi?
Txoj kev pentose phosphate feem ntau yog catabolic thiab ua haujlwm raws li lwm txoj hauv kev ua kom qabzib oxidizing txoj hauv kev rau tiam ntawm NADPH uas yuav tsum muaj rau kev txo qis biosynthetic xws li cov roj cholesterol biosynthesis, bile acid synthesis, steroid hormone biosynthesis, thiab fatty acid synthesis
Lub hom phiaj ntawm cov theem nonoxidative ntawm pentose phosphate shunt yog dab tsi?
Cov teeb meem ntawm pentose metabolism Txoj hauv kev pentose phosphate yog lwm txoj hauv kev rau glycolysis thiab tsim NADPH ( theem oxidative) thiab pentoses (5-carbon suab thaj, theem nonoxidative). Nws kuj tseem metabolizes noj pentoses thiab muab glycolytic / gluconeogenic intermediates
Vim li cas pentose phosphate txoj kev hu ua HMP shunt?
Puas yog txoj kev pentose phosphate hu ua shunt? Nws yog hu ua pentose phosphate kaw vim txoj kev tso cai rau carbon atoms los ntawm qabzib 6-phosphate mus rau ib tug luv luv txoj kev (ib shunt) ua ntej lawv mus rau hauv lub Embden-Meyerhof (glycolytic) txoj kev
Lub hom phiaj ntawm non oxidative theem ntawm pentose phosphate txoj kev yog dab tsi?
Cov theem tsis-oxidative tsim 5-carbon suab thaj, uas tuaj yeem siv rau hauv kev sib txuas ntawm nucleotides, nucleic acids, thiab amino acids. Txoj kev pentose phosphate yog lwm txoj hauv kev rau glycolysis