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Questions and Answers
What is the actual diameter of a cell if its image is 0.8 mm in diameter when viewed through lenses E and O, which are marked 10× and 40× respectively?
What is the actual diameter of a cell if its image is 0.8 mm in diameter when viewed through lenses E and O, which are marked 10× and 40× respectively?
- 0.002 mm (correct)
- 2 mm
- 20 mm
- 0.2 mm
What is the function of the cell membrane?
What is the function of the cell membrane?
- Brings the image into focus using the coarse focus wheel
- Controls entry and exit of molecules (correct)
- Protein synthesis
- Protects the lens
What stain was used on the animal cell sample?
What stain was used on the animal cell sample?
- Cotton wool bud
- Iodine
- Methylene Blue (correct)
- Water
Which category of organisms has a nucleus and membrane-bound organelles?
Which category of organisms has a nucleus and membrane-bound organelles?
What is the main difference between prokaryotic and eukaryotic cells?
What is the main difference between prokaryotic and eukaryotic cells?
Which type of microscope uses accelerated electrons to provide greater resolution and magnification?
Which type of microscope uses accelerated electrons to provide greater resolution and magnification?
Which type of microscope has a higher resolution?
Which type of microscope has a higher resolution?
What is the function of the diaphragm in a light microscope?
What is the function of the diaphragm in a light microscope?
Which cell component is responsible for holding in cell contents and controlling the entry and exit of molecules?
Which cell component is responsible for holding in cell contents and controlling the entry and exit of molecules?
What is the function of the nucleus in a cell?
What is the function of the nucleus in a cell?
Which organelle is responsible for producing almost all the energy required by the cell?
Which organelle is responsible for producing almost all the energy required by the cell?
What is the function of ribosomes in a cell?
What is the function of ribosomes in a cell?
What is the function of the cell wall in a plant cell?
What is the function of the cell wall in a plant cell?
What is the function of vacuoles in a cell?
What is the function of vacuoles in a cell?
Which structures are responsible for protein synthesis in the cell?
Which structures are responsible for protein synthesis in the cell?
What is the function of mitochondria in the cell?
What is the function of mitochondria in the cell?
What is the function of chloroplasts in plant cells?
What is the function of chloroplasts in plant cells?
What is the function of the cell wall in plant cells?
What is the function of the cell wall in plant cells?