673 results found

Search Results for: chemical

Chemical bond

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

Chemical reaction

Definition noun, plural: chemical reactions A process in which one or more substances (reactants) are chemically... 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

Chemical energy

Definition noun Energy released from a substance, or absorbed in the formation of a chemical compound, during a chemical... Read More

Light-dependent reaction

Many organisms, such as green plants, convert light energy into chemical energy through the mechanism of photosynthesis. In... Read More

Oxidizer

An oxidizer is a substance that facilitates oxidation in a chemical reaction by accepting electrons from another substance.... Read More

Protein Activity and Cellular Metabolism

Protein Binding Sites The ability of various molecules and ions to bind to specific sites on the protein surface forms the... Read More

Substance

Substance Definition What is a substance? The word substance finds varied usages in different science fields. In general... Read More

Compound

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

First-order kinetics

What is a First-Order Kinetics (First-Order Reaction)? First-order kinetics refers to a reaction wherein the overall rate... 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

Molecule

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

Atom

In the enchanting tapestry of life, the smallest of heroes and a celestial protagonist emerges—'the atom'. With grace and... Read More

Energy

Reviewed by: Todd Smith, PhD Definition noun, plural: energies (1) The capacity for work. (2) The ability to... Read More

Reducing sugar

Reducing Sugar Definition What is reducing sugar? The type of sugar that acts as the reducing agent and can effectively... Read More

Metabolism

Metabolism Definition What is metabolism in the body? Metabolism encompasses the various biochemical processes, reactions,... Read More

Monosaccharide

Monosaccharide Definition In biology and biochemistry, a monosaccharide is a simple sugar that constitutes the building... Read More

Photosynthesis

Photosynthesis is a physio-chemical process carried out by photo-auto-lithotrophs by converting light energy into chemical... Read More

Characteristic

Characteristics Definition We can define characteristics as qualities or features that describe the distinctive nature or... Read More

Phosphate

Phosphate is an essential inorganic compound composed of a phosphorus atom bonded to four oxygen atoms. This molecular... Read More

Photolysis

Photolysis Definition We define photolysis as a chemical process in which chemical compounds or molecules are split into... Read More

Enzyme

An enzyme is a biomolecule that can be synthesized biologically (naturally occurring) or through other processes... 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

Element

Element Definition noun plural: elements el‧e‧ment, ˈel.ɪ.mənt (biochemistry) A substance that cannot be... Read More

Fermentation

Fermentation Definition What is fermentation? Fermentation is the breaking down of sugar molecules into simpler compounds... Read More

Water

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

Chlorophyll

Why are most plants green? Have you ever had the same question? Perhaps, you’ve been told that the plants are green... Read More

Biochemical Genetics

Definition noun A branch of genetics at a biochemical level and in which the relationship of genes and their control over... Read More

Chemical taxonomy

Chemical taxonomy (Science: procedure) An approach to the classification of organisms based on the distribution of natural... Read More

Generation of resting membrane potential

Stephen H. Wright Department of Physiology, College of Medicine, University of Arizona, Tucson, Arizona 85724... Read More

Contamination

Contamination Definition Contamination, sometimes interchanged with pollution, is the existence of live things or... Read More

Oxygen

Oxygen Definition In biochemistry, oxygen is the colorless, odorless, gaseous element represented by the symbol "O", with... Read More

Homeostatic Mechanisms and Cellular Communication

Homeostasis is the relatively stable conditions of the internal environment that result from compensatory regulatory... Read More

Specimen

A specimen is a meticulously selected representative of a group that undergoes rigorous research studies to derive some... 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

Carbon

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

Carbon dioxide

Carbon Dioxide Definition noun, car·bon di·ox·ide, /daɪˈɒksaɪd/ (biochemistry) An inorganic compound, with the... Read More

Inorganic compound

Inorganic Compound Definition An inorganic compound is a chemical compound lacking both carbon-carbon (C-C) and... Read More

Oxidation

Oxidation Definition How do we define oxidation? There are several definitions of the oxidation process. Oxidation can be... Read More