1. Not dispensable; impossible to be omitted, remitted, or spared; absolutely necessary or requisite.
2. Not... Read More
Origin: OE. Necessite, F. Necessite, L. Necessitas, fr. Necesse. See Necessary.
1. The quality or state of being... Read More
What does environment mean? If you mean physical environment, then it is defined as the surrounding... Read More
Unicellular organisms are organisms consisting of one cell only that performs all vital functions including metabolism,... Read More
noun, plural: amino acids
(1) A molecule consisting of the basic amino group (NH2), the acidic carboxylic group... Read More
noun, plural: mitochondria
A spherical or rod-shaped organelle with its own genome, and is responsible for the... Read More
noun, plural: constitutive enzymes
The enzyme synthesized at a relatively constant level.
These... Read More
bi·o·mol·e·cule, ˈbaɪoʊ ˈmɑləkjul
Any of the molecules produced by living... Read More
Physiology is the study of how living organisms function. Thus, human physiology deals specifically with the physiological... Read More
Scientists found, apparently by accident, a new biological organ and they want it called "interstitium". The discovery was... Read More
Regeneration in humans is much more limited compared in other animals. Say for instance when one lost a limb, much as well... Read More