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Search Results for: complement_3

Humoral immunity

Let’s get to know where one should place humoral immunity, the topic of today’s discussion!! By the end of the article,... Read More

Complement fixation test

Definition noun (immunology) A form of immunological test for the detection of the presence of either a particular antibody... Read More

Complement

Complement (Science: immunology) a term originally used to refer to the heat labile factor in serum that causes immune... Read More

Phagocytosis

Phagocytosis Definition Phagocytosis is a basic physiological cellular process wherein a cell ingests a solid particle... Read More

Antigen

Antigen Definition What is an antigen? A simple definition is that an antigen refers to any substance that triggers an... Read More

Immunoglobulin

Immunoglobulin Definition An immunoglobulin is a globulin molecule produced by the immune cells, for the body's defense... 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

Y chromosome

Y chromosome Definition The Y chromosome constitutes one member of the pair of sex chromosomes within an organism, a common... Read More

Hypersensitivity

Hypersensitivity Definition Hypersensitivity is the exaggerated immune response to protect the human from foreign bodies... Read More

Hemolysis

The breakdown or catabolism of red blood cells or erythrocytes that result in the expulsion of hemoglobin and other... Read More

Monosomy

Definition noun (genetics) A type of aneuploidy characterized by the loss of a single chromosome of the normal... Read More

Hemolysin

Definition noun, plural: hemolysins An agent or substance that causes hemolysis, i.e. the lysis of red blood cells resulting... Read More

Immune cytolysis

Definition noun (1) Cell lysis caused by a lesion produced by the complement proteins on the antibody-coated cell membrane... Read More

Coordination

Coordination Definition When a person hears the word coordination, they think of order, organization, or even managing... Read More

Chromosomes X and Y and Sex Determination

Reviewed by: Mary Anne Clark, Ph.D. In humans, the normal chromosome complement is 46, consisting of 22 pairs of... Read More

Omnivore

Organisms need to eat food in order to gain energy and survive in the ecosystem. Often, living things are categorized by how... Read More

Micrococcus luteus

Definition noun A gram-positive aerobic harmless bacterium involved in the conversion of nitrate to... Read More

Autoimmune disease

Definition noun, plural: autoimmune diseases A type of disease as a result of an immune response of the body against own... Read More

Mature mRNA

Mature mRNA Definition Mature mRNA is the completely processed mRNA molecule in the cell of eukaryotes. The mRNA is a type... Read More

Precursor mRNA

Definition noun plural: precursor mRNAs An immature or incompletely processed mRNA molecule in eukaryotes that needs to be... Read More

Induced fit model

Induced-Fit Model Definition The induced-fit model is a model for enzyme-substrate interaction to depict the dynamic... Read More

Proteome

Definition noun, plural: proteomes The complete set of proteins in an organism over its entire life cycle, or at a given... Read More

Triple-X syndrome

Definition noun A genetic condition in which a female has an extra X chromosome Supplement In humans, the sex chromosomes... Read More

Bacteriolysin

Definition noun, plural: bacteriolysins (1) A specific antibody that combines with bacterial cells (antigens) and, in the... Read More

Independent Assortment and Crossing Over

Reviewed by: Mary Anne Clark, Ph.D. The previous tutorial investigates the process of meiosis, where... Read More

Autoimmunity

Definition noun, plural: autoimmunities A type of immunity wherein the immune response is directed against own body,... Read More

Chromosome Mutations

Reviewed by: Mary Anne Clark, Ph.D. By nature, the genetic information from both parents is expected to be seen... Read More

Symbiosis

Symbiosis Definition What is symbiosis? Symbiosis can be defined as any kind of relationship or interaction between two... Read More

Agglutination

Agglutination Definition What does agglutination mean? It generally refers to the process of sticking together or the... Read More

Antigen-antibody complex

Antigen-antibody complex The complex formed by the binding of antigen and antibody molecules. The deposition of large... Read More

Cell wall

The cell is the structural, functional, and biological unit of all organisms. It is a membrane-bound structure containing... 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

Naked

naked 1. Having no clothes on; uncovered; nude; bare; as, a naked body; a naked limb; a naked sword. 2. Having no means of... Read More

Gamete

Definition of Gamete What is a gamete? A gamete is the mature reproductive or sex cell that contains a haploid number of... Read More

Receptor

receptor 1. A molecular structure within a cell or on the surface characterised by selective binding of a specific substance... Read More

Fixation

Definition noun, plural: fixations (biological technique) The use of a fixative to preserve histological, cytological, or... Read More

Xxy syndrome

XXY syndrome --> klinefelter's syndrome (Science: syndrome) A condition characterised by small testes with hyalinization... Read More

Syndrome

Definition Of Syndrome A syndrome is a collection of signs, symptoms, series of events, and/or characteristics that occur... Read More

Immune response

Immune Response Definition An immune response is defined as the reaction of the body in response to the presence of a... Read More

Cofactor

Definition noun, plural: cofactors (biochemistry) An inorganic complement of an enzyme reaction Supplement Cofactors... Read More