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?
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.
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.
What is the difference between A. Scanning Electron Microscope
(SEM) B. Transmission Electron Microscope (TEM) C. Atomic Force
Microscope (AFM). The difference must include the
Principle, Operation, and recent
Applications
a. How can you differentiate between the serosa and the mucosa
under the microscope? b. How is the muscularis of the stomach
unlike the muscularis of the other regions of the GI tract. c. What
is the main histological difference between the mucosa and the
submucosa?