Definition
noun
A graded response to a stimulus, or a graded depolarization induced in the terminal of a sensory receptor, which after achieving a certain level (firing threshold), is capable of producing an action potential in the afferent axon in the nearby sensory neuron.
Supplement
All receptors except those for vision, hearing, equilibrium, and taste, create generator potential.
Multicellular organisms evolved. The first ones were likely in the form of sponges. Multicellularity led to the evolutio..
The cell is defined as the fundamental, functional unit of life. Some organisms are comprised of only one cell whereas o..
This tutorial investigates the genetic diversity in more detail. It also delineates how certain alleles are favored over..
This tutorial looks at the relationship between organisms. It also explores how energy is passed on in the food chain an..
Part of the genetic information is devoted to the synthesis of proteins. mRNA, a type of RNA, is produced as a transcri..
The circulatory system is key to the transport of vital biomolecules and nutrients throughout the body. Learn about the ..
