Synonym: nuclear envelope, i.e. the double-layered membrane surrounding the nucleus of a eukaryotic cell, separating the nucleoplasm from the cytoplasm
For human species to obviate extinction, reproductive mature adults should be producing viable offspring in order to con..
The movement of molecules (specifically, water and solutes) is vital to the understanding of plant processes. This tuto..
Photosynthesis is the process that plants undertake to create organic materials from carbon dioxide and water, with the ..
Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..
Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..