Learn about the general structure of a eukaryotic gene, the transcription factors, and post-transcriptional regulation....
Lotic communities have conditions that are rather harsh for typical plants. Thus, the diversity of plant species in loti..
Muscle cells are specialized to generate force and movement. Learn about the different types of muscle tissues in this t..
This tutorial looks at the relationship between organisms. It also explores how energy is passed on in the food chain an..
It only takes one biological cell to create an organism. A single cell is able to keep itself functional through its 'mi..
Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..