Biology Test Questions
1. What is the relationship between rate of ion exchange and surface-to-volume ratio?
- As the surface-to-volume (SA:V) decreases the rate of ion exchange will also decrease.
2. Why is it important for a cell to have a large surface-to-volume ratio?
- If the SA:V is too small then then rate of ion exchange will decrease, if this rate of ion exchange is too low then the cell will no longer be viable.
3. Which is more efficient at exchanging materials, a small or a large cell? EXPLAIN.
- A small cell would be more efficient at exchange of materials from its surrounding environment as once material enters the cell it would be more evenly distributed internally. In bigger cells the concentration of materials near the periphery
- As the surface-to-volume (SA:V) decreases the rate of ion exchange will also decrease.
2. Why is it important for a cell to have a large surface-to-volume ratio?
- If the SA:V is too small then then rate of ion exchange will decrease, if this rate of ion exchange is too low then the cell will no longer be viable.
3. Which is more efficient at exchanging materials, a small or a large cell? EXPLAIN.
- A small cell would be more efficient at exchange of materials from its surrounding environment as once material enters the cell it would be more evenly distributed internally. In bigger cells the concentration of materials near the periphery