12. Define hypotonic, hypertonic and isotonic. Diagram and explain
how water will move in each case. What is water potential? Give the
equation and explain its components.
13. Diagram and explain the endosymbiotic theory. Cite at least 3
lines of evidence.
Do
the cells of honeybee function best in a hypertonic, hypotonic, or
isotonic environment? Describe one thing that honey bee can do to
ensure its cells are in the correct environment.
Excretory System
1.Describe the difference between a hypotonic, isotonic and
hypertonic solution. What happens to red blood cells in each?
2.What processes disturb water balance? Why?
3.What biomolecule is the source of nitrogenous waste? Name
three forms of nitrogenous wastes. Place these in order of most
toleast toxic. Which ones use ATP?
4.Name some animals that are osmoregulators and osmoconformers.
What do these terms mean?
5.What are the three functions of excretory organs?
Explain how plant and animal cells respond differently to
hypotonic/hypertonic solutions (I.e. turgidity/plasmolysis vs
swelling and lysing vs shrinking (cremation)
Label these solutions 3% NaCl, DI H20, 5% glucose, 12% glucose,
1% glucose as hypertonic, hypotonic, or isotonic. Also state what
would happen to the red blood cell (crenation,stays
nice,hemolysis)
L-Serine is an amino acid that often is provided when
intravenous feeding solutions are used to maintain the health of a
patient. Molecular weight of 105, produced by fermentation and
recovered and purified by crystallization at 10C. Yield is enhanced
by adding methanol to the system, thereby reducing serine
solubility in aqueous solutions. An aqueous serine solution
containing 30wt% serine and 70wt% water is added along with
methanol to a batch crystallizer thatis allowed to equilibrate at
10C. The resulting...
Intravenous, or IV solutions used in medicine must exert the
same osmotic pressure as blood to prevent a net flow of water into
or out of the blood cells. The proper concentration for an
intravenous NaCl solution is 0.90 g NaCl per 100. mL of water
(sometimes refered to as 0.90% m/v).
If the van\'t Hoff factor of NaCl
is i = 1.8, what is the osmotic pressure of blood at body
temperature, 37 °C?