نتایج جستجو برای: volvox carteri
تعداد نتایج: 440 فیلتر نتایج به سال:
the genus boswellia is one of the 17 genera belonging to burseraceae family. in this study resin of boswellia carteri birdwoodcollected or purchased from tehram herbal market as a food and non-food for chemical analysis. the essential oils of the resins of boswellia carteri birdwoodobtained by different methods of distillation (water distillation, steam distillation and hydro-steam distillation...
The reproduction and the formation of resistant dormant spores in Volvox aureus Ehr. and V. tertius Meyer were studied in a temporary pool during July–August 1996 and 1997. It has been shown that the populations of two species of Volvox (L.) Ehr. from this pool were characterized by different reproductive traits. Comparatively small quantity of male individuals and dormant zygotes (zygospores) ...
In the preceding paper [l] a model was proposed which offers an explanation to many aspects of embryogenesis in volvox. In particular, the model explains pattern formation during embryogenesis, i.e., it correctly predicts the very regular positioning of the reproductive cells (gonidia) within the Volvox spheroids. The assumption was made that membrane proteins mediating cell-cell contacts are i...
Colorectal cancer is one of the most diagnosed cancers in world. KRAS mutations colon are being responsible for progressiveness and resistance standard therapeutic available. Marine sponge sources chemotherapy. Stylissa carteri a marine that lives Indonesia its anti-cancer effects starting to be explored nowadays. The purpose this study was determine cytotoxicity anti-proliferative effect ethan...
The sponge Stylissa carteri is known to produce a number of secondary metabolites displaying anti-fouling, anti-inflammatory, and anti-cancer activity. However, the anti-viral potential of metabolites produced by S. carteri has not been extensively explored. In this study, an S. carteri extract was HPLC fractionated and a cell based assay was used to evaluate the effects of HPLC fractions on pa...
This dissertation is devoted to better understanding the role that fluids play in the selection of the shapes and functions of objects and creatures in nature. Toward that end, three specific examples are considered: stalactites, icicles, and species of colonial green algae known as Volvox. In the cases of stalactites and icicles, the object's growth is considered as a free-boundary problem. Fo...
Distribution of freshwater sponges (Porifera: Spongillida) in Indonesia is currently insufficiently reported and underestimated compared to marine sponges. An inventory study on East Java after Indonesian independence 1945 yet be carried out. For this reason, we new records two species, Eunapius carteri (Bowerbank, 1863) Oncosclera asiatica (Manconi Ruengsawang, 2012) Porong river, Java, Indone...
We report new body mass estimates for the North American Eocene primate Omomys carteri. These estimates are based on postcranial measurements and a variety of analytical methods, including bivariate regression, multiple regression, and principal components analysis (PCA). All body mass estimation equations show high coefficients of determination (R2), and some equations exhibit low prediction e...
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