Search Results for: attraction
Ionic bond
Definition noun plural: ionic bonds A type of chemical bond in which atoms, ions, or molecules are held together by... 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
Capillary action
Definition noun The movement of a liquid, e.g. water molecules, through a narrow space as a result of cohesion, adhesion,... 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
Plant Water Regulation
A plant requires water as an essential ingredient of photolysis, the photochemical stage of photosynthesis where water is... Read More
Thermotaxis
Definition noun A form of taxis characterized by the directional movement of an organism in response to... Read More
Magnetotaxis
Definition noun A form of taxis characterized by a directional movement of an organism in response to a magnetic... Read More
Inorganic compound
Inorganic Compound Definition An inorganic compound is a chemical compound lacking both carbon-carbon (C-C) and... Read More
Intermolecular force
Definition noun The force that acts between stable molecules or between functional groups of macromolecules. Supplement An... Read More
Genetic diversity
Genetic Diversity Definition Each species is composed of individuals with their own set of genes. A gene is the inheritance... Read More
Phototaxis
Definition noun A form of taxis characterized by the directional movement of an organism in response to... Read More
Parasitism
Organisms depend on different sources of food to survive. Larger organisms like plants make their own food (autotrophs) and... Read More
Affinity chromatography
Affinity chromatography (Science: investigation) a technique of analytical chemistry used to separate and purify a... Read More
Gravitaxis
Definition noun A form of taxis characterized by the directional movement of an organism in response to... Read More
Segregation
segregation 1. The act of segregating, or the state of being segregated; separation from others; a parting. 2. (Science:... Read More
Surface tension
Surface tension The expression of intermolecular attraction at the surface of a liquid, in contact with air or another gas,... Read More
Definitive host
Different Biological Relationships The biological world is interconnected whether we notice it or not. All the life forms... Read More
Natural selection
Natural Selection Definition What is natural selection in biology? Natural selection is defined as a process in nature... Read More
Gene Regulation in Eukaryotes
Reviewed by: Mary Anne Clark, Ph.D. Eukaryotic Gene Structure In prokaryotes the DNA is located in the... Read More