Video: C4 acid yog dab tsi?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Oxaloacetate (OAA), malate, thiab aspartate (Asp) yog cov substrates rau cov C4 acid Lub voj voog uas underpins CO2 concentrating mechanism ntawm C4 photosynthesis. Hauv lub voj voog no, OAA yog tam sim, luv luv, cov khoom lag luam ntawm thawj zaug CO2 fixation kauj ruam hauv C4 nplooj mesophyll hlwb.
Ua li no, lub hom phiaj ntawm c4 cog yog dab tsi?
A C4 cog yog a cog uas cycles carbon dioxide rau hauv plaub-carbon qab zib tebchaw nkag mus rau hauv Calvin voj voog. Cov no nroj tsuag muaj txiaj ntsig zoo hauv cov huab cua kub, qhuav thiab ua kom muaj zog ntau. Muaj ntau yam zaub mov uas peb noj C4 cov nroj tsuag , zoo li pob kws, pineapple, thiab qab zib cane.
Qhov thib ob, c4 nroj tsuag piv txwv li cas? Piv txwv ntawm C4 Nroj Tsuag Piv txwv ntawm C4 hom yog cov qoob loo tseem ceeb ntawm kev lag luam pob kws los yog pob kws (Zea mays), qab zib (Saccharum officinarum), sorghum (Sorghum bicolor), thiab millets, nrog rau cov switchgrass (Panicum virganum) uas tau siv los ua biofuel.
Yog li ntawd, vim li cas c4 photosynthesis hu ua c4?
Cov no nroj tsuag yog hu ua C4 nroj tsuag , vim tias thawj cov khoom ntawm kev kho cov pa roj carbon monoxide yog 4-carbon compound (es tsis yog 3-carbon compound li hauv C3 lossis "ib txwm" nroj tsuag ). C4 cov nroj tsuag siv cov 4-carbon compound no kom zoo "ntse" CO2 nyob ib ncig ntawm rubisco, kom rubisco tsis tshua muaj tshwm sim nrog O2.
C4 txoj hauv kev hauv biology yog dab tsi?
1: Cov C4 Txoj Kev Cov C4 txoj kev yog tsim los kho kom zoo CO2 ntawm qhov tsis tshua muaj siab thiab cov nroj tsuag uas siv qhov no txoj kev yog lub npe hu ua C4 nroj tsuag. Cov nroj tsuag no kho CO2 rau hauv plaub qhov sib xyaw ua ke ( C4 ) hu ua oxaloacetate. CO2 ua ke nrog ribulose bisphosphate thiab mus dhau Calvin voj voog.
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