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7th Grade Biology: Cell Division
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7th Grade Biology: Cell Division
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16 Questions

1. Cell division allows organisms to:
1. grow
2. repair damaged structures
3. reproduce

2. The second phase in mitosis, in which the chromosomes line up along the center of the cell with spindles attached to each.

3. This is
Image: Metaphase

4. The first stage in the cell cycle when growth and DNA replication occurs.

5. The longest stage of the cell cycle. Cells spend 90% of their time here. During it, they're growing, replicating their DNA and carrying out cell processes.

6. In eukaryotic cells, the second stage of the cell cycle during which the cell's nucleus divides into two identical daughter cells and one set of DNA is distributed into each daughter cell. 46 Chromosomes each in humans.

7. This is
Image: Prophase

8. Mitosis produces two daughter cells with the same DNA as the parent cell.

9. This is
Image: Telophase

10. Cell structures that carry the genetic material (DNA) that is copied and passed from generation to generation of cells. Humans have 23 pairs of them / or 46 chromosomes.

11. This is
Image: Interphase

12. This is
Image: Anaphase

13. The first phase of mitosis, in which DNA changes from chromatin to chromosome, formation of spindle fibers, Centrioles move.

14. This is
Image: Cytokinesis

15. The final phase in mitosis, in which the nuclear membrane forms around each set of chromosomes, and the chromosomes relax back into chromatin.

16. The third phase in mitosis, in which the chromosomes split up and are pulled apart by the spindles and the cell begins to stretch out.