Neural Communication Flashcards
Both the cytosol and the extracellular fluid are mostly made of what?
Water.
What are the two natural forces at play in the neuron that contribute to ion movement across the membrane?
Ionic concentration and electrical charge.
What is another name for ionic concentration?
Diffusion.
What is another name for electrical charge?
Electrical potential.
In what direction do ions move in terms of concentration?
From an area of higher concentration to an area of lower concentration.
What is a concentration gradient?
A measurement of how much the concentration of something changes from one place to another.
Generally, when do voltage-gated channels open?
When the voltage changes from the resting membrane potential.
What is the most common energy source in our cells?
ATP.
