Search Results for: membrane transport protein
Carrier protein
Carrier protein is a type of cell membrane protein involved in facilitated diffusion and active transport of substances out... 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
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
Facilitated diffusion
Facilitated diffusion is the transport of substances across a biological membrane from an area of higher concentration to an... Read More
Active transport
Active transport is a type of cellular transport in which substances (e.g. ions, glucose, and amino acids) are transported... Read More
Cell membrane
Definition noun plural: cell membranes ˈmembɹeɪn The cell’s outer membrane made up of a two layers of phospholipids... Read More
Membrane protein
Definition noun, plural: membrane proteins A type of protein that is attached to, or associated with, a biological... Read More
Movement of Molecules Across Cell Membranes – Quiz
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Phosphorylation
Phosphorylation Definition We can define phosphorylation as a biochemical process in which a phosphate molecule is added to... Read More
Concentration gradient
Concentration gradient definition Concentration gradient refers to the gradual change in the concentration of solutes in a... Read More
Sarcolemma
Sarcolemma Definition What is the sarcolemma? It is the thin, transparent, extensible plasma membrane of the muscle cell.... Read More
Pinocytosis
Pinocytosis Definition What is pinocytosis? Pinocytosis is the ingestion of extracellular fluids, i.e. the fluid... Read More
Chemiosmosis
Chemiosmosis Definition What is chemiosmosis? In biology, chemiosmosis refers to the process of moving ions (e.g. protons)... Read More
Passive transport
Passive transport is a type of cellular transport in which substances such as ions and molecules move down their respective... Read More
Endoplasmic reticulum
Definition noun plural: endoplasmic reticula (cell biology) A membrane-bound organelle that occurs as labyrinthine,... Read More
Amphipathic
Amphipathic is a word used to describe a chemical compound containing both polar (water-soluble) and nonpolar (not... Read More
Cell Structure – Quiz
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Rough endoplasmic reticulum
Definition noun plural: rough endoplasmic reticula (cell biology) A type of endoplasmic reticulum wherein polyribosomes... Read More
Cellular respiration
Cellular Respiration Definition The main function of cellular respiration is to break down glucose to form energy. In... Read More
Simple diffusion
Simple Diffusion Definition What is simple diffusion? In biology, simple diffusion is a form of diffusion that does not... Read More
Endocytosis
Endocytosis Definition What is endocytosis in biology? Endocytosis is a cellular process by which a cell internalizes any... Read More
Genetic Information and Protein Synthesis – Quiz
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Membrane Transport Protein
A type of protein that actively transports materials across a plasma membrane that would not otherwise allow this to... Read More
Plant Metabolism – Quiz
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Golgi apparatus
Definition noun Gol·gi ap·pa·rat·us, ˈgɔl dʒi ˌæpəˈreɪtəs (cell biology) An organelle that is comprised of... Read More
Translation
In biology, translation is a step in protein biosynthesis where a genetic code from a strand of mRNA is decoded to produce a... Read More
Protein Activity and Cellular Metabolism – Quiz
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Smooth endoplasmic reticulum
Smooth Endoplasmic Reticulum Definition Smooth endoplasmic reticulum (sER) is (a part of) endoplasmic reticulum that is... Read More
Fluid mosaic model
Definition A model conceived by S.J. Singer and Garth Nicolson in 1972 to describe the structural features of biological... Read More
Peripheral membrane protein
Definition noun, plural: peripheral membrane proteins A protein that temporarily adheres to the biological membrane, either... Read More
Plant Cells vs. Animal Cells – Quiz
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Muscle – Quiz
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