Search Results for: selectively-permeable membrane
Selectively-permeable membrane
Selectively Permeable Membrane Definition We can define selectively permeable membranes as those that are selectively... Read More
Cell membrane
Cell Membrane Definition Just like any non-living body possesses a plastic or paper packaging material that keeps the... 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
Fluid mosaic model
Fluid Mosaic Model Definition What is the fluid mosaic model? The fluid mosaic model is a three-dimensional representation... 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
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
Semipermeable membrane
Definition noun A membrane that is selectively permeable, i.e. being permeable to only certain molecules and not to all... Read More
Partially-permeable membrane
Definition noun A membrane that is selectively permeable, i.e. being permeable to only certain molecules and not to all... Read More
Sarcolemma
Sarcolemma Definition What is the sarcolemma? It is the thin, transparent, extensible plasma membrane of the muscle cell.... Read More
Amphipathic
Amphipathic Definition Amphipathic is a word used to describe a chemical compound containing both polar (water-soluble) and... Read More
Phospholipid
What is a phospholipid? Phospholipids are a subgroup of lipids. Other major types of lipids are fatty acids, sphingolipids,... Read More
Permeability
Permeability Definition What is permeability? In earth science, its definition is this: "the ability of any material such... Read More
Biological Cell Introduction
It only takes one biological cell to create an organism. In fact, there are countless species of single-celled organisms,... Read More
Erythrocyte
Erythrocyte Definition Erythrocytes (red blood cells or RBCs) are the myeloid series of specialized cells that play an... Read More
Simple diffusion
Diffusion is essential in the anatomy and physiology of a living thing, especially with regard to homeostasis. It is one of... Read More
Tight junction
What are tight junctions? Tight junctions are the intercellular barrier between two neighboring endothelial and epithelial... Read More
Selective permeability
Definition noun A feature and a function of the plasma membrane that is essential to maintain homeostasis by regulating the... Read More
Chemiosmotic coupling
Definition noun The process that couples or links the electron transport chain to ATP synthesis. Supplement Chemiosmosis is... Read More
Cell adhesion
Cell Adhesion Definition Cell adhesion is the process in which a cell uses a specialized complex of proteins to get... Read More
Phospholipid bilayer
Definition noun The two layers of phospholipids arranged in such a way that their hydrophobic tails are projecting inwards... Read More