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What is potential energy important?
Potential energy that is important in practice includes: * Gravitational potential energy * Elastic energy * Chemical energy (including food energy) * Nuclear energy
What are the 3 types potential energy?
There are several types of potential energy, not just 3. The following are probably the most important ones:Gravitational potential energy, i.e., the potential energy in a gravitational field;The potential energy in an electric field;The potential energy in a magnetic field;Elastic energy;Chemical energy;Nuclear energy.
The actual transport of protons by the proton pump is mediated by a transmembrane protein which undergoes a change in its?
If the protein is pumping protons, there should be an electrical gradient across the membrane as well as a proton concentration gradient.
Is a electric potential scalar or vector?
Electric potential is a scalar.
What equation connects both scalar potential and vector potential?
let A be the Vector potential and Q as the scalar potential
The transmembrane potential of a normal cell under homeostatic conditions?
resting potential
Changes in the transmembrane potential of a cell are involved in?
nerve cell communication,thought, glandular secretion and movement.
What is a cadherin?
A cadherin is any of a class of transmembrane proteins important in maintaining tissue structure.
What type of proteins don't go through the bilayer?
It important that some proteins extend all the way through the bilayer of a plasma membrane. This is to offer protection to the cell and also facilitate the transport of various substances in and out of the cell.
What is transmembrane RMP in mitochondrial membrane?
-170mv
What causes transmembrane channels in target cells?
Perforin
What is the transmembrane protein channels that are specialized for the passage of water?
The transmembrane protein channels that are specialized for the passage of water is aquaporin's. Osmosis is the diffusion of water down its concentration gradient.
What effect would there be if a drug that block ATP production is introduced into an isolated axon preparation the axon is then repeatedly stimulated and recordings are made of the response?
The voltage-gated channels would open because there is a change in the transmembrane potential
One of the major transmembrane proteins in a “tight junction” is?
Claudin
What are facts about integral membrane proteins?
They are usually transmembrane proteins.
How is the K transmembrane flux when neurone hyperpolarizes?
The potassium ion channels in the cell open with hyperpolarization (injecting a negative current to take the cell potential more negative than Ek) The potassium ion channels in the cell open with hyperpolarization (injecting a negative current to take the cell potential more negative than Ek)
What is potential energy important?
Potential energy that is important in practice includes: * Gravitational potential energy * Elastic energy * Chemical energy (including food energy) * Nuclear energy
