Search Results for: atom
Unified atomic mass unit
Unified Atomic Mass Unit Definition The Unified Atomic Mass Unit (u) (or simply atomic mass unit) refers to the 1/12... Read More
Valence electron
What are valence electrons? Why are they significant? Valence electrons definition in chemistry: The electrons in an atom's... Read More
Hydrogen bond
Definition noun plural: hydrogen bonds A type of chemical bond that is formed when the slightly positive hydrogen atom of... Read More
Chemical Composition of the Body
In order to fully understand the mechanisms of human physiology, it is important to have an understanding of the chemical... Read More
Covalent bond
Covalent Bond Definition What is a covalent bond? In chemistry and other fundamental science fields, a covalent bond is... Read More
Ionic bond
Definition noun plural: ionic bonds A type of chemical bond in which atoms, ions, or molecules are held together by... Read More
Radioactive atom
Radioactive atom (Science: chemistry, physics) An atom with an unstable nucleus, which emits particulate or electromagnetic... Read More
Atomic weight
Atomic weight (Science: chemistry) The average weight of an atom of an element, i.e. The total mass of protons and neutrons... Read More
Atomic mass
Atomic mass (Science: chemistry, physics) The mass of an atom relative to other atoms. The present-day basis of the scale of... Read More
Inorganic compound
Inorganic Compound Definition An inorganic compound is a chemical compound lacking both carbon-carbon (C-C) and... Read More
Organic compound
Organic Compound Definition An organic compound is a compound that, in general, contains carbon covalently bound to other... Read More
Redox reaction
Redox Reaction Definition What are redox reactions? This is a common term in chemistry and biology. In chemistry, a redox... Read More
Dehydration reaction
What is dehydration synthesis? A dehydration reaction is a form of biochemical reaction wherein a water molecule is lost or... Read More
Phosphodiester bond
Phosphodiester Bond Definition Phosphodiester bonds are the backbone of the strands of nucleic acid present in the life... Read More
Organization
Organization Definition The meaning of the term "organization" is very simple. It means the state wherein things are... Read More
Carbon dioxide
Carbon Dioxide Definition noun, car·bon di·ox·ide, /daɪˈɒksaɪd/ (biochemistry) An inorganic compound, with the... Read More
Polypeptide
Polypeptide Definition Biology What are polypeptides? A polypeptide is defined as a polymer of amino acids joined together... Read More
Chemical bond
Definition noun, plural: chemical bonds The attractive force that binds atoms, ions, or molecules in a chemical... Read More
Biomolecule
A molecule is an electrically neutral, group of atoms that can exist alone in a free state while its characteristic... Read More
Calvin cycle
Calvin Cycle Definition The Calvin cycle, also known as the Calvin Benson cycle or the dark reactions, is a series of... Read More
Adenosine triphosphate
Adenosine Triphosphate Definition noun plural: adenosine triphosphates (biochemistry) An organic compound that is... Read More
Erythrocyte
Erythrocyte Definition Erythrocytes (red blood cells or RBCs) are the myeloid series of specialized cells that play an... Read More
Glycosylation
Definition noun A biochemical process where a glycan attaches to a protein, a lipid, or other organic molecule, especially... Read More
Saccharide
Saccharide Definition What is a saccharide molecule? A saccharide is the unit structure of carbohydrates. In biochemistry,... Read More
Hydrocarbon chain
Definition noun, plural: hydrocarbon chains A chain consisting of only carbon and hydrogen atoms Supplement A hydrocarbon... Read More