Endergonic (los ntawm lub prefix endo-, muab los ntawm Greek lo lus ἔνδον endon, "hauv", thiab lo lus Greek ἔργον ergon, "ua haujlwm") txhais tau tias " nqus lub zog. nyob rau hauv daim ntawv ntawm kev ua hauj lwm. " Lub zog ua kom muaj zog rau cov tshuaj tiv thaiv feem ntau loj dua lub zog tag nrho ntawm cov tshuaj tiv thaiv exergonic(1).
qhov kev tawm tsam endergonic tshwm sim nyob qhov twg?
Nyob hauv biology, cov kab mob siv cov tshuaj tiv thaiv endergonic los khaws lub zog los ntawm cov chaw sab nraud. Photosynthesis, uas siv lub zog ntawm lub hnub ci los tsim cov suab thaj, yog cov tshuaj tiv thaiv endergonic. Yog li yog fatty acid anabolism, uas lub zog los ntawm cov zaub mov yog khaws cia rau hauv cov roj molecules.
Dab tsi ua rau muaj kev tawm tsam endergonic?
Endergonic cov tshuaj tiv thaiv yuav tsum ib qho kev tawm tswv yim ntawm lub zog, feem ntau loj dua li cov kev tawm dag zog tsis zoo, los ntawm qhov chaw sab nraud los cuam tshuam cov tshuaj sib npaug kom ua rau muaj kev hloov pauv, xws li kev tsim daim ntawv cog lus.. Cov tswv yim ntawm lub zog no hu ua lub zog ua kom muaj zog. … Yog li, nws ua kom cov txheej txheem tshuaj tiv thaiv sai.
Ib qho piv txwv ntawm cov tshuaj tiv thaiv endergonic yog dab tsi?
Ib qho piv txwv feem ntau ntawm cov tshuaj tiv thaiv endergonic yog txheej txheem ntawm photosynthesis. Photosynthesis yog siv los ntawm tag nrho cov nroj tsuag los hloov lub teeb lub zog rau hauv ib daim ntawv ntawm chemical zog uas yuav siv tau los roj lawv lub neej dab. Photosynthesis tsis tshwm sim tshwm sim.
Koj paub li cas yog qhov tshuaj tiv thaiv yog endergonic lossis exergonic?
Exergonic reactionstseem hu ua spontaneous tshua, vim hais tias lawv tuaj yeem tshwm sim yam tsis muaj lub zog ntxiv. Cov tshuaj tiv thaiv nrog a zoo ∆G (∆G > 0), ntawm qhov tod tes, xav tau lub zog nkag thiab hu ua endergonic cov tshuaj tiv thaiv.
