| A | B |
|---|
| between 2 and 200 micrometers in diameter | most living cells |
| speed that materials move at over long distance | slowly |
| without enough ____ the cell will die due to lack of protein | DNA |
| as a cell's size increases, its volume increases much (slower/ faster) than its surface area | faster |
| if a cell's diameter doubled, the cell would require ____ times more nutrients and would have ____ times more wastes to excrete | eight, eight |
| Cells that result from mitosis are (different/ identical). | identical |
| The process by which two cells are produced from one cell is called ___. | cell division |
| Early biologists saw strings in the nucleus of cells that seemed to vanish after cell division. They are now called ____. | chromosomes |
| Chromosomes carry ____ material which is copied and passed on from generation to generation. | genetic |
| Chromosomes generally exist as ____, long strands of DNA wrapped around proteins. | chromatin |
| Before a cell divides, the chromatin becomes tightly ____. | packed or coiled |
