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Questions and Answers
What is protoplasm?
What is protoplasm?
- A microscopic structure revealed by electron-microscope techniques
- A type of membrane enclosing cells
- A complex organic substance found in cells (correct)
- A basic structural unit of organisms
Who recognized that all cells are very similar in structure?
Who recognized that all cells are very similar in structure?
- Rudolf Virchow
- Louis Pasteur
- Schleiden and Schwann (correct)
- Antonie van Leeuwenhoek
What do the substances enclosed by membranes or cell walls always contain?
What do the substances enclosed by membranes or cell walls always contain?
- Protein and lipids
- Chloroplasts
- Mitochondria
- Nuclei or an equivalent nuclear substance (correct)
What has made it possible to reveal the complex intricacies of intracellular organization?
What has made it possible to reveal the complex intricacies of intracellular organization?
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What is the significance of cell theory?
What is the significance of cell theory?
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Explain the composition of protoplasm.
Explain the composition of protoplasm.
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How have developments in electron-microscope techniques impacted the study of cells?
How have developments in electron-microscope techniques impacted the study of cells?
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What do the substances enclosed by membranes or cell walls always contain?
What do the substances enclosed by membranes or cell walls always contain?
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