
Types and Functions of Neurotransmitters Neurotransmitters are chemical messengers in the body. Their job is to transmit signals from nerve cells to target cells. Communication between two neurons happens in the synaptic cleft (the small gap between the synapses... Read more
Classification of Neurotransmitters Neurotransmitters play a major role in everyday life and functioning. Scientists do not yet know exactly how many neurotransmitters exist, but more than 60 distinct chemical messengers have been identified. Neurotransmitters can be classified by their function:... Read more
Types and Functions of Neurotransmitters Neurotransmitter: a chemical messenger that allows nerve cells to communicate with each other. A neurotransmitter signal travels from a neuron, across the synapse, to the next neuron. The synapse is the name given to the... Read more

Naming Coordination Compounds A coordination complex is a substance in which a metal atom or ion accepts electrons from (and thus associates with) a group of neutral molecules or anions called ligands. A complex can be an anion, a cation... Read more

IMPORTANT CONCEPTS IN COORDINATION CHEMISTRY COORDINATION COMPOUND coordination compound is any of a class of substances with chemical structures in which a central metal atom is surrounded by nonmetal atoms or groups of atoms, called ligands, joined to it by... Read more
THE CELL Definition of a Cell The cell is defined as the structural and functional unit of a living organism. Also, the cell is the simplest, the smallest and basic unit of life. All living things (plants and animals) are... Read more

The Microscope Definition: The microscope is an instrument used in the laboratory to observe tiny structures of living organisms which cannot be seen or observed by the naked eyes. Organisms that can only be seen with the aid of... Read more
FORMS IN WHICH LIVING CELLS EXIST There are four forms in which living cells exist. These are: (1) As Independent or Single and Free- living Organisms: Independent and free-living organisms are organisms which possess only one cell and are capable... Read more
Structures of Plant and Animal Cells and Functions of Their Components Structure of the cell: The structure of plant cell and animal cell can fully be understood through the use of microscope. The cell is composed of protoplasm which can... Read more
SIMILARITIES AND DIFFERENCES BETWEEN PLANT CELL AND ANIMAL CELL. Similarities: Both plants and animal’s cells have in common the following organelles: (i) Golgi bodies (ii) Nucleus (iii) Mitochondria (iv) Cytoplasm (v) Chromosomes (vi) Endoplasmic reticulum (vii) Nucleolus (viii) Ribosome (ix)... Read more