Please answer each of the following questions. Please ensure that your responses are at least 3 to 5 sentences in length.
1. Describe how the concept of the cell has changed over the past 200 years.
2. On the basis of surface area-to-volume ratio, why do cells tend to remain small?
3. List the membranous organelles of a eukaryotic cell, and describe the function of each.
4. What will happen if an animal is placed in a hypertonic solution?
5. Describe three of the six methods that allow the exchange of molecules between cells and their surroundings.
6. What is the difference between a catalyst and an enzyme?