Science

Cell Nucleus Definition Cell Nucleus is the most noticeable organelle within a eukaryotic cell, and perhaps the most important and defining feature of the eukaryotic…

Viral Hemorrhagic Fever Definition The term “Viral Hemorrhagic Fever” (VHF) is used to describe a severe multisystem syndrome (multisystem in that multiple organ systems in…

Endosome Definition Endosome is a smooth sac within the cell, formed by or fused with coated vesicles that shed their clathrin, in which ligands are…

Hall Effect Definition Hall Effect is a direct result of Lorentz forces acting on the charges in the current, and is named after U.S. physicist…

A pentagon is a 5-sided Polygon. A regular pentagon has five lines of reflectional symmetry, and rotational symmetry of order 5 (through 72°, 144°, 216°…

Cytoskeleton Definition Cytoskeleton is an organelle that forms a lattice or internal framework of a cell. It is composed of protein filaments and microtubules. It…

About Adenine Definition Adenine is a nucleobase, which is an important building block for life. It is one of four nitrogenous bases found in deoxyribonucleic…

Galvanometer Definition Galvanometer is an instrument to detect the presence of current through a circuit. It consists of a permanent magnet and coil. Current passes…

About Cilium Definition Cilium (plural cilia) is any of the short thread-like projections on the surface of a cell, organism, etc, whose rhythmic beating cause’s…

Magnetic Circuit Definition A magnetic circuit is made up of magnetic materials having high permeability such as iron, soft steel, etc. It is the closed…

Cell Wall Definition The cell wall is a protective layer outside the cell membrane that also provides support for the cell’s structure. It is the…

A quadrilateral is a closed figure with four straight sides. Each point where two sides touch is called a vertex. Simple quadrilaterals are either convex or…