Cell Biology Assignment

This assignment consists of four questions. Each of your responses is 25 points, and should be at least two paragraphs long, or more, depending upon the depth of the question.

In what major ways do prokaryotes differ from eukaryotes? Similarly, what are the major differences between plant and animal cells?
What are the four model organisms used in scientific research? For each, what are the two advantages? What are the two limitations?
The cellular membrane is described as a "fluid mosaic": Why is this a fitting description? What are the advantages and disadvantages of its fluid-structure?
Compare and contrast facilitated and active transport across the membrane. Give specific examples.

Sample Solution