1. mitosis is used by the body for what purpose? and takes place in what type of cell(s)?

2. why do cells divide?

3. what are the three stages of the cell cycle?
a.
b.
c.

4. which stage of the cell cycle does the cell spend the most time in?

5. mitosis begins with (n) ___ cells and ends with (n) ___ & (type) ___

6. fill in the chart regarding the stages of interphase.
| stage | what is happening? |
|-------|---------------------|
| g1 | |
| s | |
| g2 | |

Question

1. mitosis is used by the body for what purpose? and takes place in what type of cell(s)?

2. why do cells divide?

3. what are the three stages of the cell cycle?
   a.
   b.
   c.

4. which stage of the cell cycle does the cell spend the most time in?

5. mitosis begins with (n) ___ cells and ends with (n) ___ & (type) ___

6. fill in the chart regarding the stages of interphase.
| stage | what is happening? |
|-------|---------------------|
| g1    |                     |
| s     |                     |
| g2    |                     |

Accepted Answer

### Question 1
# Brief Explanations:
Mitosis is used for growth, repair, and asexual reproduction in the body. It takes place in somatic (body) cells. Meiosis (not mitosis) results in four non - identical haploid gametes and is for sexual reproduction in germ cells.
# Answer:
Purpose of mitosis: Growth, repair, asexual reproduction. Cells: Somatic (body) cells. (Note: The original handwritten part about meiosis is incorrect for this mitosis question.)

### Question 2
# Brief Explanations:
Cells divide for several reasons. In unicellular organisms, it is for reproduction. In multicellular organisms, it is for growth (increasing the number of cells), repair (replacing damaged or dead cells), and development (forming different tissues and organs).
# Answer:
- Unicellular organisms: Reproduction.
- Multicellular organisms: Growth, repair, development.

### Question 3
# Brief Explanations:
The three stages of the cell cycle are Interphase (where the cell grows, replicates DNA, and prepares for division), Mitosis (nuclear division), and Cytokinesis (cytoplasmic division).
# Answer:
a. Interphase
b. Mitosis
c. Cytokinesis

### Question 4
# Brief Explanations:
The cell spends the most time in Interphase. During Interphase, the cell grows, replicates its DNA, and carries out normal metabolic functions, which takes a significant portion of the cell cycle duration compared to the relatively short - lived Mitosis and Cytokinesis.
# Answer:
Interphase

### Question 5
# Brief Explanations:
Mitosis begins with a diploid (2n) cell (a cell with two sets of chromosomes) and ends with two diploid (2n) daughter cells, and the type of chromosomes in the daughter cells is identical to the parent cell (somatic - type chromosomes, diploid).
# Answer:
(a) Diploid (2n); (n) 2; (type) Diploid (somatic - type) chromosomes

### Question 6
# Brief Explanations:
- **G1 Stage**: The cell grows in size, synthesizes proteins and organelles, and prepares for DNA replication. It is a period of cell growth and normal metabolic activity.
- **S Stage**: DNA replication occurs. The cell synthesizes a copy of its entire DNA genome, so that each chromosome consists of two sister chromatids.
- **G2 Stage**: The cell continues to grow, synthesizes more proteins (including those needed for cell division like microtubule - associated proteins), and checks for errors in DNA replication, preparing for mitosis.
# Answer:
| Stage | What is happening? |
|-------|--------------------|
| G1 | Cell grows, synthesizes proteins/organelles, prepares for DNA replication |
| S | DNA replication occurs (chromosomes duplicate) |
| G2 | Cell grows, synthesizes division - related proteins, checks DNA for errors |

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