Definition
noun
Abbreviation for adenine, i.e. a purine nucleobase in DNA and RNA
This tutorial deals with the abiotic factors of the freshwater environment that determine what sort of life would be sui..
For human species to obviate extinction, reproductive mature adults should be producing viable offspring in order to con..
It only takes one biological cell to create an organism. A single cell is able to keep itself functional through its 'mi..
The human respiratory system is an efficient system of inspiring and expiring respiratory gases. This tutorial provides ..
The arthropods were assumed to be the first taxon of species to possess jointed limbs and exoskeleton, exhibit more adva..
The human body is capable of regulating growth and energy balance through various feedback mechanisms. Get to know the e..