189 results found

Search Results for: bond

Covalent bond

Covalent Bond Definition What is a covalent bond? In chemistry and other fundamental science fields, a covalent bond is... 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

Ionic bond

Definition noun plural: ionic bonds A type of chemical bond in which atoms, ions, or molecules are held together by... Read More

Phosphodiester bond

Phosphodiester Bond Definition Phosphodiester bonds are the backbone of the strands of nucleic acid present in the life... Read More

Chemical bond

Definition noun, plural: chemical bonds The attractive force that binds atoms, ions, or molecules in a chemical... Read More

Isopeptide bond

Definition noun, plural: isopeptide bonds A peptide bond formed between a carboxyl group of one amino acid and an amino... Read More

Peptide bond

Definition noun, plural: peptide bonds (1) The covalent bond joining amino acids, particularly at the carboxyl group of... Read More

Compound

Definition noun plural: compounds com·pound, ˈkɒmpaʊnd (general) A material made up of two or more parts or... Read More

Disulfide bond

Definition noun (chemistry) (1) The single covalent bond formed from the coupling of thiol groups, especially of cysteine... Read More

Coordinate covalent bond

Coordinate covalent bond --> semipolar bond a bond in which the two electrons shared by a pair of atoms belonged originally... Read More

Ligase

An enzyme is a catalyst or a chemical produced by cells to speed up a biochemical reaction. It is usually a protein molecule... 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

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

Polypeptide

Polypeptide Definition Biology What are polypeptides? A polypeptide is defined as a polymer of amino acids joined together... Read More

Molecule

Molecule Definition Two or more atoms (same or different) that are held together by attractive forces or chemical bonds... Read More

Double bond

Double bond (Science: chemistry) a covalent bond resulting from the sharing of two pairs of electrons; e.g., H2C==CH2... Read More

Maltose

Definition noun plural: maltoses mal·tose, ˈmɔːltəʊz A reducing disaccharide formed when two glucose monomers join... Read More

Single bond

single bond A covalent bond resulting from the sharing of one pair of electrons; e.g., H3C-CH3... Read More

Glycosidic bond

Glycosidic bond is a covalent bond that holds a carbohydrate (sugar) to another group that can or cannot be another... Read More

Hydrogen

Hydrogen is one of the chemical elements found in nature. A chemical element refers to the pure substance of one type of... Read More

Saccharide

Saccharide Definition What is a saccharide molecule? A saccharide is the unit structure of carbohydrates. In biochemistry,... Read More

Disaccharide

Carbohydrates are organic compounds comprised of carbon, hydrogen, and oxygen, usually in the ratio of 1:2:1. They are one... Read More

Lactose

Definition noun plural: lactoses lac·tose, ˈlæk.toʊs A disaccharide (chemical formula: C12H22O11) made up of one... Read More

High Energy Bond

A type of bond in a molecule that is in a high energy state, such as atp compared to adp, atp has much more energy... Read More

Electrostatic Bond

A chemical bond in which one atom loses an electron to form a positive ion and the other atom gains to electron to form a... Read More

Sucrose

Definition noun plural: sucroses su·crose, ˈsukɹoʊs A disaccharide with a chemical formula of C12H22O11 that occurs in... Read More

Trehalose

Definition noun plural: trehaloses tre·ha·lose, loʊs A disaccharide made up of two α-glucose molecules, and serves as... Read More

Isomaltose

Definition noun plural: isomaltoses i·so·mal·tose, aɪsoʊˈmɔːltəʊz A disaccharide formed from the combination of... Read More

Translation

Translation, in general, is the conversion of something into another form, such as a word from one language to another. But... 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

Isomaltulose

Definition noun plural: isomaltuloses A disaccharide comprised of a glucose monomer and a fructose monomer joined by... Read More

Cellobiose

Definition noun plural: cellobioses cel·lo·bi·ose, ˌsɛləʊˈbaɪəʊz A disaccharide made up of two glucose... Read More

Sugar

Sugar Definition The term sugar is the generic term for any disaccharides and monosaccharides. Sugars are an essential... Read More

Keratin

Keratin is a fibrous protein naturally present in hair, skin, and nails. In hair care, it serves as a protective and... Read More

Water

Water Definition (1) (biochemistry) A chemical substance, with chemical formula H2O, that is a clear, colorless, odorless,... Read More

Polyunsaturated fatty acid

Definition noun, plural: polyunsaturated fatty acids Any of a group of unsaturated fatty acids characterized by having more... Read More

Monounsaturated fat

What is monounsaturated fat? Monounsaturated fats are healthy dietary fats. They are liquid at room temperature. Unlike... Read More

Organic compound

Organic Compound Definition An organic compound is a compound that, in general, contains carbon covalently bound to other... Read More

Genome

Genome Definition What is a genome? As defined in biology, a genome is a complete set of deoxyribonucleic acid (DNA) within... Read More

Lyase

Definition noun, plural: lyases (biochemistry) An enzyme that catalyzes the breaking of a chemical bond through means not... Read More