Science

Ratios are used to compare values. In mathematics, a ratio is a relationship between two numbers indicating how many times the first number contains the…

Euxenite Definition Euxenite is a rare brownish-black mineral containing erbium, cerium, uranium, columbium, and yttrium. Titanium replaces niobium–tantalum in the molecular structure to form the…

Lipid Bilayer Definition Lipid bilayer is a two-layered arrangement of phosphate and lipid molecules that form a cell membrane, the hydrophobic lipid ends facing inward…

Properties of Ratios When comparing two quantities (of the same kind), sometimes it is necessary to find out the relationship that one quantity bears to…

Dividing Fractions by Whole Numbers There are two things to remember when dividing fractions. The first is that you can solve the problem by using…

Ytterbium Definition Ytterbium is a soft, silvery-white metallic element of the lanthanide series that occurs as seven stable isotopes with symbol Yb. Its atomic number…

Congenital Myasthenic Syndrome Definition Congenital myasthenic syndrome (CMS) is a group of conditions characterized by muscle weakness (myasthenia) that worsens with physical exertion. It is…

Myasthenia Gravis Definition Myasthenia gravis (MG) is an autoimmune neuromuscular disorder that is characterized by fatigue and exhaustion of muscles. The most commonly affected muscles…

Basic Concept of Ratios Definition: Ratios are used to compare values. In mathematics, a ratio is a relationship between two numbers indicating how many times…

Praseodymium Definition Praseodymium is a soft, malleable, silvery metallic element of the lanthanide series that develops a green tarnish in air. It is the third…

Dividing Fractions by Fractions Dividing a fraction by a fraction might seem confusing at first, but it is really very simple. To Divide Fractions: Invert…

Acetylcholine Definition Acetylcholine is a substance that is released at the junction between neurons and skeletal muscle fibers, at the nerve endings of the parasympathetic…