Video: C4 nroj tsuag piv txwv yog dab tsi?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
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.
Ua li no, koj txhais li cas los ntawm c4 nroj tsuag?
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 cov nroj tsuag yog ua tau zoo heev hauv cov huab cua kub, qhuav thiab ua kom muaj zog ntau. Ntau yam zaub mov peb noj yog C4 cov nroj tsuag , zoo li pob kws, pineapple, thiab qab zib cane.
Ib yam li ntawd, cov nroj tsuag c3 thiab c4 txhais li cas? C3 cov nroj tsuag yog cov nroj tsuag qhov twg thawj cov khoom ntawm photosynthesis yog 3 carbon compound piv txwv li phosphoglyceric acid (PGA) thaum C4 cov nroj tsuag yog cov nroj tsuag qhov twg thawj cov khoom ntawm photosynthesis yog 4 carbon compound i.e oxaloacetic acid (OAA).
Yog li ntawd, CAM cov nroj tsuag yog dab tsi?
Tshwj xeeb piv txwv ntawm CAM cov nroj tsuag yog jade cog (Crassula argentea), Aeonium, Echeveria, Kalanchoe, thiab Sedum ntawm tsev neeg Crassulaceae, pineapple (Ananas comosus), Spanish moss (Tillandsia usneoides), cacti, orchids, Agave, thiab siv quav ciab. cog (Hoya carnosa, tsev neeg Apocynaceae).
C4 nroj tsuag nyob qhov twg?
Niaj hnub no C4 nroj tsuag yog concentrated nyob rau hauv lub tropics thiab subtropics (hauv qab latitudes ntawm 45 degrees) qhov twg cov huab cua kub ua rau kom siab dua cov qib ntawm oxygenase kev ua si los ntawm RuBisCO, uas ua rau kom tus nqi ntawm photorespiration nyob rau hauv C.3 nroj tsuag.
Pom zoo:
Dab tsi yog qhov piv txwv piv txwv hauv kev txheeb cais?
Nyob rau hauv kev txheeb cais, sampling bias yog ib tug bias nyob rau hauv uas ib tug piv txwv yog sau nyob rau hauv xws li ib tug txoj kev uas ib co tswv cuab ntawm cov neeg npaj muaj ib tug tsawg sampling probability tshaj lwm tus
Dab tsi yog rau lub tshuab yooj yim thiab cov piv txwv ntawm lawv yog dab tsi?
Cov no yog rau lub tshuab yooj yim: cov nplais, lub log thiab lub qag, qib, lub dav hlau inclined, ntsia hlau, thiab lub log
CAM cov nroj tsuag yog dab tsi thiab lawv qhov zoo dua yog dab tsi?
Crassulacean Acid Metabolism (CAM) muaj qhov zoo ntawm qhov tseem ceeb tshem tawm evapotranspiration los ntawm cov nroj tsuag stomata (dej poob los ntawm kev sib pauv roj) thaum nruab hnub, tso cai rau CAM cov nroj tsuag kom muaj sia nyob hauv cov huab cua tsis zoo uas dej poob yog qhov tseem ceeb txwv rau kev loj hlob ntawm cov nroj tsuag
Lub tuam txhab ntiag tug txwv piv txwv yog dab tsi?
Ib qho piv txwv ntawm lub tuam txhab ntiag tug txwv feem ntau yog ib lub khw muag khoom hauv zos, xws li lub khw lossis tsev noj mov, uas tsis muaj lub tebchaws nyob. Ib qho piv txwv ntawm lub tuam txhab kev txwv tsis pub tshaj tawm yog ib lub tuam txhab loj xws li cov khw muag khoom muag lossis cov khw noj mov nrog cov koom nrog uas txhua tus tuaj yeem yuav thiab muag
Cov nroj tsuag muab piv txwv li cas?
Cov nroj tsuag yog cov nroj tsuag suav tias yog qhov tsis xav tau nyob rau hauv ib qho xwm txheej, 'ib tsob ntoo hauv qhov tsis ncaj ncees lawm'. Piv txwv feem ntau yog cov nroj tsuag tsis xav tau nyob rau hauv tib neeg-tswj chaw, xws li teb ua liaj ua teb, vaj, nyom, thiab chaw ua si. ex- Ob peb piv txwv ntawm broadleaf nroj yog clover, dandelion, thiab purslane