BIO 251 Lab quiz 2

______,______and ______ refer to changed in the membrane potential from its resting level

____ is a potential difference between the inside of the cell (IC) and the outside of the cell (EC) across the membrane.

Being the most important ions, intracellularly, Na+ is always ____ (low/high) and k+ is always _____ (low/hight)

what is the approximate concentration of K+ inside a typical cell (intracellular concentration)

• 150mM

• 5mM

• 0mM

• 15mM

what is the approximate concentration of Na+ inside a typical cell (intracellular concentration)

• 150mM

• 5mM

• 0mM

• 15mM

what is the approximate concentration of Na+ outside typical cell (extracellular concentration)

• 150mM

• 5mM

• 0mM

• 15mM

what is the approximate concentration of K+ outside a typical cell (extracellular concentration)

• 150mM

• 5mM

• 0mM

• 15mM

Define the sensory receptor

define receptor potential

define sensory transduction