Search Results for: complexes
Cell adhesion
Cell Adhesion Definition Cell adhesion is the process in which a cell uses a specialized complex of proteins to get... Read More
Cellular respiration
Cellular Respiration Definition What is cellular respiration in simple terms? Cellular respiration can be defined simply as... Read More
Recombination DNA repair
Recombination DNA Repair Definition Recombination DNA repair is a biological reparative process in response to DNA damage... Read More
Complement
Complement (Science: immunology) a term originally used to refer to the heat labile factor in serum that causes immune... Read More
Nucleosome
Nucleosome Definition Every organism is made of deoxyribonucleic acid, also known as DNA. DNA is made up of numerous... 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
Mitochondrion
Mitochondrion Definition What are mitochondria? The term “mitochondrion” comes from the two words of the Greek... Read More
Nuclear pore complex
Definition noun plural: nuclear pore complexes ˈnu kli ər, pɔː ˈkɒmplɛks A complex of nucleoporins resulting in 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
Selectively-permeable membrane
Selectively Permeable Membrane Definition We can define selectively permeable membranes as those that are selectively... Read More
Biuret test
In this article we will answer the following three questions: What is a Biuret Test? What does biuret test for? What is... 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
Plant Metabolism
Introduction Plants are responsible for incredible feats of molecular transformation. The processes are always being... Read More
Tight junction
What are tight junctions? Tight junctions are the intercellular barrier between two neighboring endothelial and epithelial... Read More
Synaptonemal complex
Definition noun, plural: synaptonemal complexes A complex protein structure that spans the region between the paired... Read More
Nuclear lamina
Definition noun plural: nuclear laminae or nuclear laminas nu·cle·ar lam·i·na, ˈn(j)ukliɚ ˈlæm.ɪ.nə (cell... Read More
Gap junction
Definition noun, plural: gap junctions A type of cell junction characterized by the intercellular channel that is formed in... Read More
Chlorosome
Chlorosome is a photosynthetic micro-compartment that serves as a light-harvesting complex in sulfur bacteria and other... Read More
Euchromatin
Definition noun A slightly packed or partially condensed form of chromatin that contains structural genes and is usually... Read More
Nucleoplasm
Definition noun plural: nucleoplasm nu·cle·o·plasm, ˈnjuːklɪəˌplæzəm (cell biology) The protoplasm of the... Read More
Nuclear matrix
Definition noun plural: nuclear matrices (cell biology) A 3-dimensional filamentous protein network that extends... Read More
Facilitated diffusion
Facilitated diffusion is the transport of substances across a biological membrane from an area of higher concentration to an... Read More
Nuclear body
Definition noun plural: nuclear bodies nu·cle·ar bod‧y, ˈnjuː.kli.ər ˈbɒdi Any of the prominent non-membraned,... 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
Induced fit model
Induced-Fit Model Definition The induced-fit model is a model for enzyme-substrate interaction to depict the dynamic... Read More
Biological system
Biological System Definition A biological system refers to a network of entities that work as a unit, functioning together... Read More
Chemiosmotic coupling hypothesis
Definition noun A theory postulated by the biochemist Peter Mitchell in 1961 to describe ATP synthesis by way of a proton... Read More
Prophase I
Organisms all use mitosis to create more cells in the body. Meiosis, a similar process, is used in some organisms to undergo... Read More
Polygenic inheritance
Polygenic inheritance refers to the kind of inheritance in which the trait is produced from the cumulative effects of many... Read More
Accessory pigment
Definition noun, plural: accessory pigments A non-chlorophyll pigment inside the chloroplast of photosynthetic organisms,... Read More
Anchoring junction
Definition noun, plural: tight junctions A type of cell junction that is attached to components of the extracellular... Read More