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Video: Dab tsi yog cov piam thaj hauv biology?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Ntshav qab zib yog hom tseem ceeb ntawm cov piam thaj hauv cov ntshav thiab yog lub hauv paus loj ntawm lub zog rau lub cev lub cev. Ntshav qab zib los ntawm cov zaub mov peb noj lossis lub cev tuaj yeem ua los ntawm lwm yam tshuaj. Ntshav qab zib yog nqa mus rau cov cell los ntawm cov hlab ntshav. Ntau cov tshuaj hormones, suav nrog insulin, tswj hwm qab zib qib hauv cov ntshav.
Qhov tseeb, cov piam thaj ua los ntawm dab tsi?
Ntshav qab zib yog cov piam thaj yooj yim nrog cov qauv molecular C6H12O6. Ntshav qab zib yog monosaccharide ntau tshaj plaws, ib pawg me me ntawm cov carbohydrates. Ntshav qab zib feem ntau yog ua los ntawm cov nroj tsuag thiab algae feem ntau thaum lub sij hawm photosynthesis los ntawm dej thiab carbon dioxide, siv lub zog los ntawm tshav ntuj.
Ib tus kuj tuaj yeem nug, qhov piam thaj yog dab tsi? Ntshav qab zib, lossis qab zib , yog lub suab thaj tseem ceeb pom hauv cov ntshav. Lub cev tau txais qab zib los ntawm cov zaub mov peb noj. Cov piam thaj no yog qhov tseem ceeb ntawm lub zog thiab muab cov as -ham rau lub cev lub cev, cov leeg thiab lub paj hlwb.
Cov lus nug tseem yog, piam thaj yog dab tsi thiab nws ua haujlwm li cas?
Nws yog lub hauv paus ntawm lub zog hauv cell muaj nuj nqi , thiab txoj cai ntawm nws cov metabolism yog qhov tseem ceeb heev (saib fermentation; gluconeogenesis). Cov txheej txheem ntawm cov hmoov txhuv nplej siab, lub zog loj-khaws cia cov carbohydrates ntawm cov nroj tsuag, suav nrog ntau txhiab txoj kab qab zib chav nyob.
Cov zaub mov twg muaj sucrose?
Sucrose tau pom nyob hauv cov txiv hmab txiv ntoo thiab zaub, thiab tau ua kom huv los ntawm qab zib thiab qab zib beets rau siv ua noj thiab zaub mov ntau lawm. Cov qab zib hauv koj lub tais qab zib yog tib yam qab zib pom ib txwm nyob hauv qab zib, qab zib beets, txiv apples, txiv kab ntxwv, carrots, thiab lwm yam txiv hmab txiv ntoo thiab zaub.
Pom zoo:
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Thaum cov piam thaj hauv ntshav nce mus txog qib ib, cov zis ntau dhau raug tshem tawm los ntawm ob lub raum thiab nkag mus rau cov zis. Qhov no yog vim li cas cov dev thiab cov neeg muaj ntshav qab zib mellitus muaj suab thaj hauv lawv cov zis (glucosuria) thaum lawv cov insulin qis
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amylase Ib yam li ntawd, dab tsi enzymes koom nrog hauv kev zom cov hmoov txhuv nplej? Cov carbohydrates tau zom zom hauv lub qhov ncauj, plab thiab hnyuv me. Carbohydrase enzymes zom cov hmoov txhuv nplej siab rau hauv suab thaj. Cov qaub ncaug hauv koj lub qhov ncauj muaj amylase , uas yog lwm cov hmoov txhuv nplej siab zom zom enzyme.
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Txo Cov Qab Zib. Txawm hais tias cov piam thaj yog cov piam thaj feem ntau kuaj rau cov zis, tib neeg cov zis tuaj yeem muaj me me ntawm galactose, lactose, fructose, xylose, thiab lwm yam pentoses. Galactosuria, qhov txawv txav ntawm galactose hauv cov zis, tshwm sim hauv cov menyuam mos uas muaj teeb meem hauv lub cev tsis zoo
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Glucose yog hom tseem ceeb ntawm cov piam thaj hauv cov ntshav thiab yog lub hauv paus loj ntawm lub zog rau lub cev lub cev. Glucose los ntawm cov zaub mov peb noj lossis lub cev tuaj yeem ua nws los ntawm lwm yam tshuaj. Glucose yog nqa mus rau cov cell los ntawm cov hlab ntshav. Ntau cov tshuaj hormones, suav nrog insulin, tswj cov piam thaj hauv cov ntshav
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Glucagon ua rau lub siab hloov pauv glycogen khaws cia rau hauv cov piam thaj, uas tau tso tawm rau hauv cov hlab ntshav. Cov ntshav qab zib ntau ntau, ntawm qhov tod tes, txhawb kev tso tawm cov tshuaj insulin. Cov tshuaj insulin tso cai rau siv cov piam thaj thiab siv los ntawm cov ntaub so ntswg-insulin