a. Chlorophyll yog qhov tseem ceeb rau photosynthesis, uas tso cai rau cov nroj tsuag kom nqus tau lub zog ntawm lub teeb. … Chlorophyll feem ntau absorbs nyob rau hauv daim ntawv ntawm xiav xim thiab xim liab mus rau ib tug tsawg npaum li cas ntawm cov spectrum, li no nws khaus xim yog ntsuab.
YPhotooxidation hauv cov nroj tsuag yog dab tsi?
Lub teeb-nyob ntawm lub zog ntawm cov pa oxygen. hom yog hu ua photooxidative stress. Qhov no tuaj yeem tshwm sim nyob rau hauv ob txoj kev: (1) pub dawb ntawm lub zog lossis hluav taws xob ncaj qha rau oxygen vim yog kev ua haujlwm photosynthetic; (2) raug cov ntaub so ntswg rau ultraviolet irradiation.
Photooxidation txhais li cas?
photooxidationnoun. Cov tshuaj tiv thaiv ntawm ib yam dab tsi nrog oxygen nyob rau hauv lub xub ntiag ntawm lub teeb.
YPhotooxidation ntawm pigments yog dab tsi?
Txawm hais tias chlorophyll yog cov xim loj lub luag haujlwm rau kev teeb pom kev, lwm yam thylakoid pigments xws li chlorophyll b, xanthophylls thiab carotenes (xanthophylls thiab carotenes yog hom carotenoids), uas yog hu ua accessory. pigments, kuj nqus lub teeb thiab hloov lub zog rau chlorophyll a.
Dab tsi tiv thaiv photooxidation ntawm chlorophyll?
The carotenoid yog li tiv thaiv Chl a los ntawm kev puas tsuaj photodynamic, muab cov pov thawj ncaj qha rau kev tiv thaiv lub luag haujlwm ntawm carotenoids hauv cov xim photosynthetic complex.