Tonicity Flashcards
1
Q
What is tonicity?
A
Ability of a solution to cause a cell to gain or lose water
2
Q
What is Isotonic?
A
Solute concentration is the same as that inside the cell; no net water movement across the plasma membrane.
3
Q
What is hypertonic?
A
Solution concentration is greater than that inside the cell; cell loses water.
4
Q
What is hypotonic?
A
Solute concentration is less than that inside the cell; cell gains water.
5
Q
What is the osmolarity of red blood cells?
A
300mOsm/L
6
Q
What environment are plants healthiest in?
A
Hypotonic
7
Q
Cells lyse in what environment?
A
Hypotonic
8
Q
What environment does cell crenation occur?
A
Hypertonic
