random allocation A process involving chance used in therapeutic trials or other research endeavor for allocating experimental subjects, human or animal, between treatment and control groups, or among treatment groups. It may also apply to experiments on inanimate objects...
The kidneys are responsible for the regulation of water and inorganic ions. Read this tutorial to learn about the differ..
This tutorial digs into the past to investigate the origins of life. The section is split into geological periods in the..
Viruses possess both living and non-living characteristics. This unique feature distinguishes them from other organisms...
Muscle cells are specialized to generate force and movement. Learn about the different types of muscle tissues in this t..
Plant cells have plastids essential in photosynthesis. They also have an additional layer called cell wall on their cell..
Planktons are microscopic organisms that live suspended in aquatic habitats. There are two groups: the phytoplanktons an..
