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Unformatted text preview: nd elastic. (a) Outer wall
is rigid. (b) Outer wall is
and elastic. compromise equilibrium:
pressure grad. 12-3 Osmolarity, osmosis, and tonicity:
OsmolarityOsmosis- (c) Hypotonic
solution (a) Isotonic
solution Tonicity- H 2O H 2O
H 2O cell lyses Why do cells tend to have too much water?
1. Cell (container) keeps important
biological molecules inside (that is, these solutes will be in higher concentration
on the inside in comparison to the outside). DNA
deoxyribonucleotides RNA proteins
phosphates other biological
molecules K Na+ + 3. So overall the osmolarity inside...
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This document was uploaded on 03/27/2014.
- Fall '14
- Fatty Acids