To investigate the effects of polycyclic aromatic hydrocarbons (PAHs) and metals on the population reproduction, antioxidative defense system and cell ultrastru
Embryophytes (land plants) are distinguished from their green algal ancestors by diplobiontic life cycles,that is,alternation of multicellular gametophytic and
Cucumber (Cucumis sativus) is one of the most widely used vegetable in the world, and different pesticides have been extensively used for controlling the insect
Dissecting evolutionary dynamics of ecologically important traits is a long-term challenge for biologists.Attempts to understand natural variation and molecular
The morphology and ultrastructure ofBullacta exarata spermatozoa observed by light and transmission electronmicroscopy are presented in this paper. The spermato