Mitosis Matching worksheet featuring definitions and a cell diagram for learning the stages of the cell cycle.

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Mitosis Matching

Match the terms to the correct definition:

1. The region where sequences of growth and division are under control.
→ B. Cell Cycle
*Explanation:* The cell cycle is the series of events that cells go through as they grow and divide. It includes phases like interphase (growth) and mitosis (division).

2. The stage of mitosis where chromosomes are pulled apart at the centromere with sister chromatids moving to opposite sides of the cell.
→ E. Anaphase
*Explanation:* During anaphase, sister chromatids separate and are pulled toward opposite poles of the cell by spindle fibers.

3. The stage of the cell cycle when the cell grows, copies its DNA, and prepares to divide.
→ A. Interphase
*Explanation:* Interphase includes G₁ (growth), S (DNA synthesis), and G₂ (preparation for division). This is when the cell grows and duplicates its DNA.

4. The organelle that holds the cell’s genetic material and controls the cell’s activities and reproduction.
→ F. Nucleus
*Explanation:* The nucleus contains the DNA and directs cellular functions such as protein synthesis and cell division.

5. The structures that divide the chromosomes during the cell cycle.
→ H. Spindle Fibers
*Explanation:* Spindle fibers (made of microtubules) attach to chromosomes and pull them apart during mitosis.

6. Loose strands of DNA found in the nucleus.
→ G. Chromatin
*Explanation:* Chromatin is the uncoiled form of DNA and proteins; it condenses into chromosomes before cell division.

7. Paired structures involved in the development of spindle fibers.
→ D. Centrosomes
*Explanation:* Centrosomes organize the spindle fibers during cell division. They move to opposite poles and help form the mitotic spindle.

8. Tightly packed genetic material.
→ I. Chromosomes
*Explanation:* Chromosomes are condensed forms of chromatin that appear during cell division. Each consists of two sister chromatids joined at the centromere.

9. Most condensed region of a chromosome, where the sister chromatids are attached.
→ C. Centromere
*Explanation:* The centromere is the constricted region where sister chromatids are held together until anaphase.

10. The stage of the cell cycle where one copy of DNA is distributed to each identical daughter cell.
→ J. Mitosis
*Explanation:* Mitosis is the process of nuclear division that ensures each daughter cell receives an exact copy of the parent cell's DNA.

11. The stage of mitosis where chromosomes condense, the nucleus breaks down, the centrioles move apart, and the spindle fibers form.
→ K. Prophase
*Explanation:* In prophase, chromatin condenses into chromosomes, the nuclear envelope breaks down, and spindle fibers begin forming.

12. The stage of mitosis where spindle fibers disolve and the nucleus reforms around each set of chromosomes.
→ L. Telophase
*Explanation:* Telophase is the final stage of mitosis. Chromosomes arrive at poles, spindle fibers break down, and new nuclear envelopes form.

13. The final stage in the cell cycle where the cell’s cytoplasm divides.
→ M. Cytokinesis
*Explanation:* Cytokinesis follows mitosis and involves the division of the cytoplasm, resulting in two separate daughter cells.

14. One of the identical cells produced after mitosis.
→ N. Daughter Cell
*Explanation:* After mitosis and cytokinesis, two genetically identical daughter cells are formed.

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✔ Final Answers:

| Number | Answer |
|--------|--------|
| 1 | B. Cell Cycle |
| 2 | E. Anaphase |
| 3 | A. Interphase |
| 4 | F. Nucleus |
| 5 | H. Spindle Fibers |
| 6 | G. Chromatin |
| 7 | D. Centrosomes |
| 8 | I. Chromosomes |
| 9 | C. Centromere |
| 10 | J. Mitosis |
| 11 | K. Prophase |
| 12 | L. Telophase |
| 13 | M. Cytokinesis |
| 14 | N. Daughter Cell |

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