Search Results for: particles
Concentration gradient
What is a concentration gradient? A gradient is a measure of how steep a slope is. Thus, a concentration gradient would be... Read More
HSV-2- and HIV-1- permissive cell lines co-infected by HSV-2 and HIV-1 co-replicate HSV-2 and HIV-1 without production of HSV-2/HIV-1 pseudotype particles
Jérôme LeGoff1, Hicham Bouhlal1, Maxime Lecerf1, Christophe Klein2, Hakim Hocini1, Ali Si-Mohamed1, Martin Muggeridge3 and... Read More
Phagocytosis
Phagocytosis Definition Phagocytosis is a basic physiological cellular process wherein a cell ingests a solid particle... Read More
Assimilation
Assimilation Definition What is assimilation? Assimilation in biology is defined as the process in which living organisms... Read More
Agglutination
Agglutination Definition What does agglutination mean? It generally refers to the process of sticking together or the... 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
Phagolysosome
Definition noun plural: phagolysosomes (cell biology) A cytoplasmic body that forms from the fusion of phagosome and... Read More
Filtration
Filtration Definition What is filtration? Filtration is separating a solid from a fluid through a porous material that... Read More
Pinocytosis
Pinocytosis Definition What is pinocytosis? Pinocytosis is the ingestion of extracellular fluids, i.e. the fluid... Read More
Nucleosome
Nucleosome Definition Every organism is made of deoxyribonucleic acid, also known as DNA. DNA is made up of numerous... Read More
Passive agglutination
Definition noun An agglutination reaction of inert particles coated with soluble antigen through an antiserum specific for... Read More
Plaque-forming unit
Definition A measure of the quantity of individual infectious particles (e.g. virus particles) based on the number of... Read More
Movement of Molecules Across Cell Membranes
Diffusion Diffusion is essentially the movement of molecules from a region of higher concentration to a region of lower... Read More
Endocytosis
Endocytosis Definition What is endocytosis in biology? Endocytosis is a cellular process by which a cell internalizes any... Read More
Plasma membrane
Do all cells have a plasma (or cell) membrane? Yes, all cells have a biological membrane that separates the protoplasm from... Read More
Intracellular digestion
Intracellular Digestion Definition What is intracellular digestion? ‘Intra’ means "inside" and ‘cellular’ pertains... Read More
Permanent Tattoo Means Permanent Immune Action Of Macrophages
Have you ever wondered why a permanent tattoo seemed to last forever? A simple assumption would be is that the ink could... Read More
Plant Metabolism
Introduction Plants are responsible for incredible feats of molecular transformation. The processes are always being... Read More
Hypertonic solution
Hypertonic Solution Definition Hypertonic solution is a relative term that describes the solution having a higher amount of... Read More
Ultrafiltration
Definition noun (1) A high pressure filtration through a semipermeable membrane in which colloidal particles are retained... Read More
Peritoneum
What is the Peritoneum? The term peritoneum refers to the serous membrane that constitutes the biologically active inner... Read More
Hypersensitivity
Hypersensitivity Definition Hypersensitivity is the exaggerated immune response to protect the human from foreign bodies... Read More
Lung melanosis
Definition noun The blackening of the lung tissue, especially, in coal pneumoconiosis Supplement The blackening of the lungs... Read More
Fahraeus-lindqvist effect
Fahraeus-lindqvist effect The decrease in apparent viscosity that occurs when a suspension, such as blood, is made to flow... Read More
Pseudopodia
A pseudopodium (plural: pseudopodia) refers to the temporary projection of the cytoplasm of a eukaryotic cell. Pseudopodia... Read More
![Osmotic pressure n., plural: osmotic pressures [ɑsˈmɑtɪk ˈpɹɛʃ.ɚ] osmotic pressure definition and example](https://www.biologyonline.com/wp-content/uploads/2020/11/osmotic-pressure-definition-and-example-300x168.jpg)
Osmotic pressure
Osmotic Pressure Definition Osmotic pressure is the pressure caused by a difference in the amounts of solutes (or... Read More
Abiotic factor
An abiotic factor is a non-living element of the environment that influences the way organisms and ecosystems function. Some... Read More