| A | B |
|---|
| mitosis | the process in which the nucleus divides ot form two identical nuclei |
| chromosomes | structures in the nucleus that contain DNA |
| asexual reproduction | new organisms are produced from one parent |
| interphase | phase of growth and DNA synthesis during the cell cycle |
| prophase | phase in which the nucleolus and nuclear membrane disappear, centrioles move to opposite ends of the cell, and threadlike spindle fibers begin to stretch across the cell |
| metaphase | phase of mitosis in which the double-stranded chromosomes line up across the center of the cell and each centromere becomes attached to a spindle fiber |
| anaphase | phase of mitosis in which each centromere divides, chromosomes seperate and begin to move away from each other |
| telophase | phase of mitosis in which centrioles and spindle fibers start to disappear, a nuclear membrane forms, and a new nucleolus appears |
| centromere | place where double-stranded chromosomes are attached |
| fission | the division of an organism into two equal parts |
