The image you've uploaded is a labeled diagram of an
animal cell, with various organelles numbered from 1 to 14. Let's identify each structure and explain its function, then provide a summary of the solution.
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🔬 Identifying the Cell Organelles:
Here are the labeled parts and their correct identification:
1.
Mitochondrion – The "powerhouse" of the cell; produces ATP via cellular respiration.
2.
Centriole – Involved in organizing microtubules during cell division (especially in animal cells).
3.
Lysosome – Contains digestive enzymes to break down waste materials and cellular debris.
4.
Vacuole – In animal cells, this is small and temporary; stores water, ions, or waste.
5.
Nucleolus – Site of ribosome synthesis within the nucleus.
6.
Nuclear membrane (nuclear envelope) – Double membrane that surrounds the nucleus and regulates passage of molecules.
7.
Chromatin – DNA and proteins; condenses into chromosomes during cell division.
8.
Cell membrane (plasma membrane) – Controls what enters and exits the cell; selectively permeable.
9.
Endoplasmic reticulum (ER) – Pink network; rough ER has ribosomes (involved in protein synthesis), smooth ER lacks ribosomes (involved in lipid synthesis and detoxification).
10.
Golgi apparatus – Modifies, sorts, and packages proteins and lipids for transport.
11.
Cytoskeleton – Network of filaments and tubules providing structural support and aiding in movement.
12.
Ribosome – Site of protein synthesis; free-floating or attached to the rough ER.
13.
Cytoplasm – Gel-like substance inside the cell where organelles are suspended.
14.
Nucleus – Control center of the cell; contains genetic material (DNA).
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✔ Summary of the Solution:
This diagram illustrates a
typical eukaryotic animal cell. Key features include:
- Presence of a
nucleus (14) with a nucleolus (5), chromatin (7), and nuclear membrane (6).
- Organelles such as mitochondria (1), lysosomes (3), centrioles (2), and Golgi apparatus (10).
- Endoplasmic reticulum (9) with both rough (ribosomes attached) and smooth regions.
- Ribosomes (12) scattered in the cytoplasm or on the rough ER.
- A plasma membrane (8) enclosing the cell.
- Cytoskeleton (11) for internal structure and movement.
- Small vacuoles (4) typical of animal cells (unlike large central vacuoles in plant cells).
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🧠 Key Takeaway:
This is a
diagram of an animal cell, not a plant cell, because:
- It has
centrioles (2) — absent in most plant cells.
- It has
small vacuoles (4) instead of one large central vacuole.
- No cell wall or chloroplasts present.
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If your task was to
label the structures, match them to the numbers above.
If it was to
identify the cell type, the answer is:
Animal cell.
Let me know if you'd like a printable version, a quiz based on this, or help with any specific question related to the diagram!
Parent Tip: Review the logic above to help your child master the concept of labeling plant and animal cells worksheet.