404 results found

Search Results for: complex

Nuclear pore complex

Definition noun plural: nuclear pore complexes ˈnu kli ər, pɔː ˈkɒmplɛks A complex of nucleoporins resulting in the... Read More

Synaptonemal complex

Definition noun, plural: synaptonemal complexes A complex protein structure that spans the region between the paired... Read More

Major histocompatibility complex

Definition noun A cluster of genes on a particular chromosome that specify major histocompatibility... 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

Equiphasic complex

Equiphasic complex --> isodiphasic complex a diphasic complex whose positive and negative deflections are approximately... Read More

Enzyme-substrate complex

Definition noun A non-covalent complex composed of a substrate bound to the active site of the enzyme. Supplement The... 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

Vitamin B complex

Definition noun (pharmacology) A supplement containing the eight B vitamins, particularly thiamin (vitamin B1), riboflavin... Read More

Apicomplexa

Definition noun A phylum comprised of protozoans characterized by having a special organelle called an apical complex, and... Read More

Membrane attack complex

membrane attack complex --> complement (Science: immunology) A term originally used to refer to the heat labile factor in... Read More

Brother complex

Definition noun A feeling of extreme envy or jealousy of a brother. Word origin: Cain, a biblical character Synonym:... Read More

Catabolism

Catabolism Definition Catabolism is the branch of the metabolic process that breaks down complex, big molecules into... Read More

Apical complex

Definition noun An organ complex of the Apicomplexa that appears as a conical structures on the tapered end (or the apical... Read More

Cain complex

Cain complex extreme envy or jealousy of a brother, leading to hatred. Synonym: brother complex. Origin: Cain, biblical... Read More

Plant Tissues

Plants are composed of three major organ groups: roots, stems, and leaves. As we know from other areas of biology, these... Read More

Iodine test

Iodine Test Definition The iodine test is a chemical reaction-based identification test for starch. In this test, iodine... Read More

Substrate

Substrate Definition What is a "substrate"? The underlying substances or layers are termed as substrate. The definitions of... Read More

Complex learning processes

Complex learning processes Those process's that require the use of symbolic manipulations, as in... Read More

Diana complex

Diana complex ideas leading to the adoption of masculine traits and behaviour in a female. Origin: diana, L. Myth.... Read More

Anabolism

Anabolism Definition Metabolic processes involve the conversion of one molecule into another through a sequence of chemical... Read More

Complex

Complex complicated, not simple. Origin: L. Complexus = woven together,... Read More

Recombination DNA repair

Recombination DNA Repair Definition Recombination DNA repair is a biological reparative process in response to DNA damage... Read More

Carbohydrate

Carbohydrate Definition A biomolecule refers to any molecule that is produced by living organisms. As such, most of them... Read More

Nucleoporin

Definition noun plural: nucleoporins Any of the family of porins that make up the nuclear pore complex Details Overview... Read More

Cellular respiration

Cellular Respiration Definition The main function of cellular respiration is to break down glucose to form energy. What is... 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

Sugar

Definition noun plural: sugars sug·ar, ˈʃʊɡɚ (1) Any monosaccharide or disaccharide, used especially by organisms... Read More

Chromatin

Chromatin Definition What is chromatin in a cell? Chromatin is a complex of nucleic acids (e.g. DNA or RNA) and proteins... Read More

Roughage

Definition noun plural: roughages rough·age, ɹʌf'ɪdʒ (1) A dietary fiber (2) Hay or any other coarse feed, such as... Read More

Protist

Protist Definition What is a protist? All protists are eukaryotes, i.e. organisms with a nucleus. However, they are... Read More

Endomembrane system

Ever wondered how biomolecules are made within the cell and then they are released outside the cell for use by the body?... Read More

Multiple alleles

Alleles are the pairs of genes occupying a specific spot called locus on a chromosome. Typically, there are only two alleles... Read More

Biotic factor

Biotic Factor Definition Biotic factors (also known as biotic components) are the living component in an ecosystem. The... Read More

Monosaccharide

Definition noun plural: monosaccharides mon·o·sac·cha·ride, ˈmɒ.nəʊˈsæk.ə.ɹaɪd (biochemistry) A simple... Read More

Eubacteria

Eubacteria are prokaryotic microorganisms consisting of a single cell lacking a nucleus and containing DNA is a single... Read More

Galactose

Definition noun plural: galactoses ga·lac·tose, ɡəˈlæktəʊz An aldohexose monosaccharide (chemical formula:... Read More

Glucose

Glucose occurs naturally and is ubiquitous. It is one of the three most common monosaccharides; the other two are fructose... Read More

Apicomplexan

Definition noun, plural: apicomplexans Any of the numerous protozoans of the group Apicomplexa, characterized by having a... 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

Hybrid

Definition noun, plural form: hybrids (reproductive biology) The offspring resulting from the cross between parents of... Read More