mutual resistance –>
antagonism
An interaction between chemicals in which one partially or completelyinhibits the effect of the other (for example, a drug that blocks a hormone’s receptor site would be a hormone antagonist).
This tutorial looks at sex determination via the sex chromosomes, X and Y. Read it to get more info on X and Y chromosom..
Regulation of Biological Systems tutorials are focused on the modulation of biological systems from cell to population l..
Multicellular organisms evolved. The first ones were likely in the form of sponges. Multicellularity led to the evolutio..
Plant cells have plastids essential in photosynthesis. They also have an additional layer called cell wall on their cell..
This study guide tackles plant roots in greater detail. It delves into the development of plant roots, the root structur..
This lesson is about the methods used for ecological research, such as quadrat and transect sampling, canopy fogging, an..