The correct answer is: A. Cytoplasm, Nucleus, cell membrane.
A cell is the basic structural and functional unit of all known living organisms. Cells are the smallest unit of life that can replicate independently, and are often called the “building blocks of life”.
All cells are enclosed by a cell membrane, which protects the cell and controls what enters and leaves the cell. The cytoplasm is the jelly-like substance inside the cell membrane. It contains many different organelles, which are specialized structures that carry out specific functions in the cell. The nucleus is the control center of the cell. It contains the cell’s DNA, which is the blueprint for the cell’s structure and function.
The other options are incorrect because they do not include all three of the main components of a cell. Option B, Protoplasm, Nucleoplasm, Cytoplasm, is incorrect because it does not include the cell membrane. Option C, Nucleus, Ribosomes, Plasma membrane, is incorrect because it does not include the cytoplasm. Option D, Plasma membrane, Nucleus, Golgi bodies, is incorrect because it does not include the ribosomes.
Here is a brief description of each of the main components of a cell:
- Cell membrane: The cell membrane is a thin, flexible barrier that surrounds the cell. It protects the cell from the environment and controls what enters and leaves the cell.
- Cytoplasm: The cytoplasm is the jelly-like substance inside the cell membrane. It contains many different organelles, which are specialized structures that carry out specific functions in the cell.
- Nucleus: The nucleus is the control center of the cell. It contains the cell’s DNA, which is the blueprint for the cell’s structure and function.