tissue extracts preparations made from animal tissues or organs; they usually contain many components, any one of which may be pharmacologically or physiologically active; extracts may contain specific, but uncharacterised factors or proteins with specific actions...
Cell respiration is the process of creating ATP. It is "respiration" because it utilizes oxygen. Know the different stag..
One of Mendel’s law of inheritance is the “law of dominance”. Read this tutorial to know more about this form of i..
A balanced diet is essential to a healthy organism. Insufficiency or too much of a particular element or compound, such ..
Human intelligence provided the means to utilize abstract ideas and implement reasoning. This tutorial takes a further l..
The sea was teeming with life. Eventually, through reproduction and continued variation, fish came about. There are over..
The Earth's ecosphere was rapidly changing and throwing up a wide range of ecological niches that new adaptive organisms..
