To determine which option is not a component that all cells share, we need to analyze each choice:

1. **Ribosomes**: These are molecular machines found in all cells that synthesize proteins. They are essential for cell function.

2. **Cytoskeleton**: This is a network of fibers that helps the cell maintain its shape and structure; however, not all cells have a cytoskeleton (e.g., mature red blood cells in humans).

3. **Cytoplasm**: This is the jelly-like substance within the cell membrane that contains all organelles and cell parts. All cells have cytoplasm.

4. **Plasma membrane**: This is the outer barrier of a cell, controlling what enters and exits. All cells possess a plasma membrane.

### Conclusion
Based on the analysis, the correct answer is **B. Cytoskeleton**, as it is not found in all cells.

Question

To determine which option is not a component that all cells share, we need to analyze each choice:

1. **Ribosomes**: These are molecular machines found in all cells that synthesize proteins. They are essential for cell function.

2. **Cytoskeleton**: This is a network of fibers that helps the cell maintain its shape and structure; however, not all cells have a cytoskeleton (e.g., mature red blood cells in humans).

3. **Cytoplasm**: This is the jelly-like substance within the cell membrane that contains all organelles and cell parts. All cells have cytoplasm.

4. **Plasma membrane**: This is the outer barrier of a cell, controlling what enters and exits. All cells possess a plasma membrane.

### Conclusion
Based on the analysis, the correct answer is **B. Cytoskeleton**, as it is not found in all cells.

Knowee AI · Accepted Answer

To determine which option is not a component that all cells share, we need to analyze each choice:

1. **Ribosomes**: These are molecular machines found in all cells that synthesize proteins. They are essential for cell function.

2. **Cytoskeleton**: This is a network of fibers that helps the cell maintain its shape and structure; however, not all cells have a cytoskeleton (e.g., mature red blood cells in humans).

3. **Cytoplasm**: This is the jelly-like substance within the cell membrane that contains all organelles and cell parts. All cells have cytoplasm.

4. **Plasma membrane**: This is the outer barrier of a cell, controlling what enters and exits. All cells possess a plasma membrane.

### Conclusion
Based on the analysis, the correct answer is **B. Cytoskeleton**, as it is not found in all cells.

Which of the following is not a component that all cells share? A. Ribosomes B. Cytoskeleton C. Cytoplasm D. Plasma membrane

Question

Which of the following is not a component that all cells share?

Solution

Conclusion

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