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Mp
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What is a membrane potential?
a voltage or electrical charge across the plasma membrane
Is the cytoplasm the same as plasma membrane?
OH NO, they are totaly different. Cytoplasm is on the inside of the cell, plasma membrane is on the outside.
How does the plasma membrane at the trigger zone differ from that on the soma?
The plasma membrane at the trigger zone of a neuron typically contains a higher density of voltage-gated ion channels, which are responsible for initiating action potentials. This allows for rapid signal transmission along the axon. In contrast, the plasma membrane on the soma (cell body) is involved in integrating signals from various sources before they are transmitted down the axon.
How does nutrients enter a cell?
The plasma membrane.
What is the name for the movement of water across the plasma membrane?
The movement of water across the plasma membrane is called osmosis. It occurs in response to concentration differences of solutes on either side of the membrane.
Another name for plasma membrane?
A cell membrane is also known as a plasma membrane or cytoplasmic membrane. The cell membrane separates the interior of a cell from its outside environment. The main function of a cell membrane is to protect the cell from its surroundings.
Is plasma membrane different from nuclear membrane?
Yes, the plasma membrane surrounds the cell and controls what enters and exits the cell, while the nuclear membrane surrounds the nucleus and controls the movement of molecules in and out of the nucleus. They are structurally and functionally different but both are essential for cellular function.
What does the difference in the K and Na concentration on either side of the plasma membrane (and permeability of the membrane to those ions) generate?
Resting membrane Potential
What is the Electrical condition of a plasma membrane of a resting neuron?
The electrical condition of a plasma membrane of a resting neuron is polarized, meaning there is a voltage difference across the membrane with the inside being negatively charged compared to the outside. This resting membrane potential is typically around -70 millivolts.
How is the plasma membrane of the liver cell?
plasma membrane
Does a plasma membrane consist of phospholipds?
Yes, a plasma membrane is a phospholipid bilayer, meaning it is made up of two layers of phospholipids. The hydrophobic tails face inward, and the hydrophobic heads face out to either side of the membrane.
What is another name for the cell membrane that starts with P and is six letters long?
The cell membrane is also called the plasma membrane.
