Channel Protein | Definition, Function & Examples - Study.com
2023年11月21日 · A channel protein is a protein that allows the transport of specific substances across a cell membrane. Remember that a protein is a biological macromolecule made up from a menu of 20 different ...
Video: Channel Protein | Definition, Function & Examples
Short Summary. Let's review. Channel proteins facilitate the transport of substances across a cell membrane. They do this through the process of either facilitated diffusion or active transport ...
Carrier Proteins | Definition, Functions & Examples - Study.com
2023年11月21日 · This requires the use of a carrier or channel protein. Concentration gradient is the process of particles, which are sometimes called solutes, moving through a solution or gas from an area of ...
Transport Proteins Function & Examples - Lesson - Study.com
2023年11月21日 · A channel protein serves as a tunnel across the membrane into the cell. More specifically, channel proteins help molecules across the membrane via passive transport, a process called facilitated ...
Peripheral Membrane Proteins | Definition, Function & Examples
2023年11月21日 · Peripheral membrane protein is a protein that is found temporarily attached to the cell or mitochondrial membrane. Peripheral membrane proteins attach to the membrane but are not embedded in it.
Aquaporins | Definition, Structure & Function - Lesson - Study.com
2023年11月21日 · An aquaporin is a type of protein present in the cells of most organisms which allows water to move through the cell membrane. Aquaporin proteins were first discovered by Peter Agre and his ...
Glycoprotein in the Cell Membrane | Structure & Function
2023年11月21日 · A glycoprotein is a sugar-protein molecule. Sugars called oligosaccharides are attached to amino acid side-chains on a protein molecule in a process called glycosylation. The prefix glyco- means ...
Phospholipid Bilayer | Definition, Function & Structure
2023年11月21日 · Protein channels are proteins that provide a passage through the lipid bilayer, and in the case of polar molecules, allow them to transport across the hydrophobic interior. Materials, such as ...
Passive Transport Definition, Types & Examples - Study.com
2023年11月21日 · This channel protein creates a pore through the hydrophobic region that allows polar molecules to just pass right through. Passive Transport: Osmosis The last type of passive transport involves water.
Membrane Proteins | Definition, Functions & Types - Study.com
2023年11月21日 · Membrane proteins have many uses, including communication, cell signaling, cell division, transport, adhesion, motility and more. Membrane proteins are found in the cell membrane, also known as ...