A. chlorophyll B. carotenoid C. anthocyanin D. xanthophyll 相关知识点: 试题来源: 解析 A。植物中对光合作用至关重要的绿色色素是叶绿素。选项 B 类胡萝卜素、选项 C 花青素、选项 D 叶黄素都不是主要进行光合作用的色素。反馈 收藏
(要点一) In fact, leaf color comes from three pigments: chlorophyll, carotenoid and anthocyanin. And each plays a different role. (要点二) What’s more, the green summer leaves become yellow, orange and brown in autumn mainly because the weakening sunlight leads to less chlorophyll production ...
a crucial factor in chlorophyll degradation.On the other hand,the expression of the carotenoid biosynthesis genes SIPSY1 and SIZISO was also suppressed and directly regulated by SlZHD17,which induced uneven pigmentation and decreased the lycopene content in fruits with SIZHD17 suppression at the ...
a crucial factor in chlorophyll degradation.On the other hand,the expression of the carotenoid biosynthesis genes SIPSY1 and SIZISO was also suppressed and directly regulated by SlZHD17,which induced uneven pigmentation and decreased the lycopene content in fruits with SIZHD17 suppression at the ...
All other carotenoids and carotenoid precursors, such as phytoene, were undetectable. Additionally, only reduced levels of chlorophyll a and no chlorophyll b were formed. To evaluate the potential site of inhibition in the pathway for carotenoid biosynthesis the enzymatic activities of geranylgeranyl ...
Is Chlorophyll is an example of Monoterpenoids? Monoterpeneshave two units, C10H16, sesquiterpenes three units, C15H24, diterpenes four units, C20H32, etc. Terpenoids, which are derivatives of terpenes, include abscisic acid and gibberellin (plant growth substances) and the carotenoid and chlorophyll...
Black rice contains manganese, zinc, copper and other inorganic salts are 1~3 times higher than that of rice; rice also contains the lack of vitamin C, chlorophyll, carotenoid and anthocyanin, cardiac glycosides and other special ingredients, with black rice boiled rice porridge with fragrance, ...
oceanica and suppressing either one impairs the synthesis of violaxanthin (the major light-harvesting carotenoid), accompanied by the attenuated levels of chlorophyll a and chloroplast membrane lipids. Under NL conditions (below the saturation light intensity), the mutant harvests less light and thus ...
Chlorophyll a and carotenoid contents were significantly higher in the SO2-tolerant turfgrass species (sheep fescue and perennial ryegrass) than in the SO2-sensitive turfgrass species (rough bluegrass and colonial bentgrass). Relatively lower levels of reactive oxygen species (ROS), malondialdehyde, and...
On the contrary, foliar MeJA application positively influenced the levels of soluble protein, chlorophyll a and b, carotenoid, and the activity of antioxidant enzymes. Subsequently to MeJA application to the foliage, peroxidase activity and leaf chlorophyll content demonstrated a marked positive ...