A major breakthrough in the studies of cells came with the development of the electron microscope. This is because:
Correct answer: B. The resolving power of the electron microscope is much higher than that of the light microscope
- A. The electron microscope is more powerful than the light microscope as it uses a beam of electrons which has wavelength much longer than that of photons
- B. The resolving power of the electron microscope is much higher than that of the light microscope
- C. The resolving power of the electron microscope is 200-350 nm as compared to 0.1-0.2 nm for the light microscope
- D. The electron beam can pass through thick materials, whereas light microscopy requires thin sections
Explanation
The major breakthrough with the development of the electron microscope is its significantly higher resolving power compared to the light microscope. This allows scientists to study cellular structures and organelles in greater detail.
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About Cell Structure and Function
Animal, plant, prokaryotic and eukaryotic cells are compared through their membranes, cell walls, nuclei and cytoplasmic organelles. The work includes the structures and functions of mitochondria, chloroplasts, ribosomes, endoplasmic reticulum, Golgi apparatus and lysosomes, as well as chromosome organization and the distinction between chromatin and chromosomes.
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