Free Cell Structure And Function Worksheet Collection - Free Printable

Let's solve this step-by-step by identifying and labeling the parts of both animal and plant cells based on the provided diagrams.

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Top Diagram: Animal Cell

This is an animal cell. It has typical organelles but lacks a cell wall, chloroplasts, and a large central vacuole (which are present in plant cells).

We'll match the labels from the list on the right:

> List:
> 1. Nucleus
> 2. Nucleolus
> 3. Cytoplasm
> 4. Cell membrane
> 5. Lysosome
> 6. Endoplasmic Reticulum
> 7. Golgi Apparatus
> 8. Mitochondria
> 9. Ribosome

Now let’s identify each structure:

1. Nucleus – The large pink oval structure with a yellow dot inside.
2. Nucleolus – The small yellow circle inside the nucleus.
3. Cytoplasm – The blue gel-like substance filling the cell.
4. Cell membrane – The outer boundary of the cell (thin line).
5. Lysosome – Small yellow round structures (often look like tiny spheres).
6. Endoplasmic Reticulum (ER) – Green network of membranes; rough ER has ribosomes attached, smooth ER does not.
7. Golgi Apparatus – Stack of flattened sacs (orange-colored).
8. Mitochondria – Pink bean-shaped structures with inner folds (cristae).
9. Ribosome – Tiny dots, often on the surface of the rough ER or free in cytoplasm.

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Bottom Diagram: Plant Cell

This is a plant cell. It has all the animal cell organelles plus:
- Cell wall
- Chloroplasts
- Large central vacuole

> List:
> 1. Ribosome
> 2. Cytoplasm
> 3. Golgi Apparatus
> 4. Mitochondria
> 5. Chloroplasts
> 6. Endoplasmic Reticulum
> 7. Vacuole
> 8. Nucleus

Identify each part:

1. Ribosome – Tiny dots, especially on rough ER.
2. Cytoplasm – Yellow gel-like material inside the cell.
3. Golgi Apparatus – Stack of flattened sacs (pink).
4. Mitochondria – Blue bean-shaped structures.
5. Chloroplasts – Green oval structures with internal stacks (grana).
6. Endoplasmic Reticulum – Network of membranes (light brown/gray).
7. Vacuole – Large purple central structure (takes up most space).
8. Nucleus – Purple oval structure with nucleolus inside.

Also note: The cell wall is the green outer rigid layer surrounding the cell membrane.

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✔ Final Labeling Guide

#### Animal Cell (Top):

From the diagram:

- Top left: Nucleus
- Inside nucleus: Nucleolus
- Outer edge: Cell membrane
- Blue background: Cytoplasm
- Green network: Endoplasmic Reticulum
- Orange stack: Golgi Apparatus
- Pink bean-shaped: Mitochondria
- Small yellow circles: Lysosome
- Tiny dots on ER: Ribosome

#### Plant Cell (Bottom):

- Outermost layer: Cell wall *(not listed, but implied)*
- Just inside cell wall: Cell membrane *(not labeled in list, but present)*
- Large central purple structure: Vacuole
- Green oval structures: Chloroplasts
- Blue bean-shaped: Mitochondria
- Stack of pink sacs: Golgi Apparatus
- Network of membranes: Endoplasmic Reticulum
- Purple oval: Nucleus
- Tiny dots: Ribosome
- Yellow background: Cytoplasm

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🔍 Summary of Labels (Based on Numbered List)

#### Top (Animal Cell):
| Box | Label |
|-----|-------|
| Top center | Nucleus |
| Inside nucleus | Nucleolus |
| Right side | Endoplasmic Reticulum |
| Below ER | Golgi Apparatus |
| Bottom right | Mitochondria |
| Left side | Lysosome |
| Bottom left | Ribosome |
| Outside | Cell membrane |
| Background | Cytoplasm |

> Note: The boxes may vary slightly in position, but these are the standard placements.

#### Bottom (Plant Cell):
| Box | Label |
|-----|-------|
| Top center | Nucleus |
| Below nucleus | Golgi Apparatus |
| Right side | Mitochondria |
| Bottom right | Vacuole |
| Left side | Chloroplasts |
| Middle | Endoplasmic Reticulum |
| Top right | Ribosome |
| Background | Cytoplasm |

> Again, exact box placement depends on image layout, but these are the correct matches.

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✔ Final Answer:

You should label the animal cell using the first list (1–9), and the plant cell using the second list (1–8). Make sure to:

- Match the shapes and colors correctly.
- Place nucleus and nucleolus together.
- Identify chloroplasts as green, vacuole as large and central, cell wall as outer green layer.
- Note that ribosomes are tiny dots, often on rough ER.

If you’re filling in the blanks, use the following:

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✔ Completed Labels (for reference):

#### Animal Cell:
1. Nucleus
2. Nucleolus
3. Cytoplasm
4. Cell membrane
5. Lysosome
6. Endoplasmic Reticulum
7. Golgi Apparatus
8. Mitochondria
9. Ribosome

#### Plant Cell:
1. Ribosome
2. Cytoplasm
3. Golgi Apparatus
4. Mitochondria
5. Chloroplasts
6. Endoplasmic Reticulum
7. Vacuole
8. Nucleus

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Let me know if you'd like a printable version or help drawing it!