Search Results for: holds
Antibody diversity
Antibody diversity The phenomenon of immense variability characteristic of antibodies, which enables the immune system to... Read More
Y chromosome
Y chromosome Definition The Y chromosome constitutes one member of the pair of sex chromosomes within an organism, a common... Read More
Abiogenesis
Definition noun plural: abiogeneses a·bi·o·gen·e·sis, eɪbaɪəʊˈdʒɛnəsɪs (1) The idea that primitive life... 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
Regional continuity model
Definition noun A scientific model supported by Milford Wolpoff in which it holds that the modern humans came from a single,... Read More
Loose connective tissue
Definition noun A type of connective tissue proper that holds and binds organs together, and is characterized by its loose,... Read More
Petrified Wood : The World of Fossilized Wood, Cones, Ferns, and Cycads
Petrified Wood : The World of Fossilized Wood, Cones, Ferns, and Cycads ... Read More
Sexual selection
What is Sexual Selection? The definition of sexual selection is very interesting in biological terms. The sexual selection... Read More
Filtration
Filtration Definition What is filtration? Filtration is separating a solid from a fluid through a porous material that... Read More
At Home in the Universe: The Search for the Laws of Self-Organization and Complexity
At Home in the Universe: The Search for the Laws of Self-Organization and Complexity ... Read More
Actions of Caffeine in the Brain with Special Reference to Factors That Contribute to Its Widespread Use
IV. Actions of Caffeine on Brain Functions and Behavior Having discussed the molecular and neuronal actions of caffeine,... Read More
Endangered species
Definition noun Any species that is highly likely to become extinct in the near future (as categorized by the International... Read More
Inorganic compound
Inorganic Compound Definition An inorganic compound is a chemical compound lacking both carbon-carbon (C-C) and... Read More
Directed case study method for teaching human anatomy and physiology
DIRECTED CASE STUDY METHOD FOR TEACHING HUMAN ANATOMY AND PHYSIOLOGY William H. Cliff and Ann W. Wright Department of... 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 bond
Definition noun plural: hydrogen bonds A type of chemical bond that is formed when the slightly positive hydrogen atom of... Read More
Endosymbiotic theory
A eukaryotic cell is distinct from a prokaryotic cell by the presence of membrane-bound cellular structures called... Read More
Bone matrix
Bone Matrix Definition Bone matrix refers to the matrix component of bone tissue. It provides the structural framework and... Read More
Critically endangered species
Definition noun Any species that has an extremely high risk of extinction in the immediate future (as categorized by the... Read More
Sexual dimorphism
Sexual Dimorphism Definition Sexual dimorphism refers to the morphological differences (in form or appearance) between... Read More
Homologous structures
Homologous Structures Definition What are homologous structures? In biology, homologous structures are physical features... Read More
Dense regular connective tissue
The dense connective tissue is a type of connective tissue proper that consists predominantly of fibers, especially type I... Read More
Chronobiology
Chronobiology Definition Chronobiology is a branch of biology that studies time-related phenomena (e.g., biological... Read More
Intramolecular force
Definition noun The force that holds together the atoms making up a molecule or compound. Supplement Examples of... Read More
Erythrocyte
Erythrocyte Definition Erythrocytes (red blood cells or RBCs) are the myeloid series of specialized cells that play an... Read More
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
Chemical bond
Definition noun, plural: chemical bonds The attractive force that binds atoms, ions, or molecules in a chemical... Read More
Transcription (biology)
In biology, transcription is the process of transcribing or making a copy of the genetic information stored in a DNA strand... 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
Cladosporium species in indoor environments
Cladosporium is a fungus that mostly found in indoor and outdoor molds. It is a species that formed in simple or branching... Read More
A Protein Being Born – a live cell imaging of RNA translation
You probably already heard the concepts of translation in the central dogma of molecular biology. The dogma is an... Read More
Pathobiology of allergy and its most severe form, anaphylaxis
When allergy season looms, some people with serious hypersensitivity to allergens tend to be apprehensive of what may come.... Read More
Mitochondrial DNA not just from moms but also from dads?
If one wants to trace down lineage, that person could turn to the cell's powerhouse, the mitochondrion. This organelle... Read More