Molecules move within the cell or from one cell to another through different strategies. Transport may be in the form of simple diffusion, facilitated diffusion, active transport, osmosis, endocytosis, exocytosis, epithelial transport, or glandular secretion. This tutorial provides elaborate details on each of these mechanisms. Find out how. ..
The body is comprised of different elements with hydrogen, oxygen, carbon, and nitrogen as the major four. This tutorial will help you understand the chemical composition of the body. This will come in handy when considering the various interactions between cells and structures. ..
The movement of molecules (specifically, water and solutes) is vital to the understanding of plant processes. This tutorial will be more or less a quick review of the various principles of water motion in reference to plants. ..
Plant organs are comprised of tissues working together for a common function. The different types of plant tissues are meristematic, simple, secretory, and complex tissues. Find out the distinctive characteristics of each tissue in terms of structure and function...
This study guide tackles plant roots in greater detail. It delves into the development of plant roots, the root structure, and the major regions of a plant root. It also talks about the different forms of roots that have specialized functions. ..
Nutrients in the soil are essential to the proper growth of a land plant. This tutorial deals with the properties of soil and the factors (i.e. climate, parent material, local topography, vegetation, living organisms, and time) that brought soil to what it is today. ..