10-1 Questions

P. 243


1. Give two reasons why cells divide.
- Cells divide because of cell growth and DNA overload in the cell


2. How is a cells DNA like the books in a library?
- Once more cells are made, they will have to wait longer to get increasing needs for a growing cell.


3. What is the solution to the problems if cell growth?
- The solution is cell division.


4. As a cell increases in size, which icreases more rapidly, its surface area or volume?
- The cell's volume


5. Calculate the surface area, volume, and ratio of surface area volume of an imaginary cubic cell with a length of 4 cm.
- Surface area: 4 x 4 x 6 = 92, Volume: 4 x 4 x 4 = 64, Ratio: 92/64 or 23/16