Answer
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Hint:Electron microscopes are a tool for collecting images from biological and non-biological specimens with high resolution. There are no light microscopes on some cell organelles because high magnification can be achieved.
Complete answer:There are no light microscopes on some cell organelles because high magnification can be achieved. The nucleus, cytoplasm, cell membrane, chloroplasts, and cell wall are organelles that can be seen beneath light microscopy. Including the transmission microscope (TEM), the electron microscope scanner (SEM), and the reflection electron microscope, several different types of electron microscopes are accessible (REM). By 1898 in his study of cellular inner structure, Mitochondria was identified by Carl Benda, and Friedrich Meves created the first knowledge recorded about mitochondria in cells.
Option B: the endoplasmic reticulum is a continuous membrane structure, which forms the cytoplasm of eukaryotic cells with a series of flattened sacs. It has several functions and is particularly important in protein synthesis, folding, alteration, and transport. Ribosomes, endoplasmic reticulum, lysosomes, centrioles, and bodies of Golgi are organelles that can be seen under an electron microscope (highest magnification of more than 200000X). After the invention of the electron microscope, ribosomes were found, endoplasmic reticulum, the lysosomes, centrioles, and Golgi bodies because of their smaller sizes. Choice C: Ribosomes are not visible with a light microscope, but only with the electron microscope.
The right choice is, therefore, D) both B and C.
Note: Combinations of TEM and SEM techniques have led to the electron microscope for scanning transmission (STEM). Using STEM, you can generate very high quality and accurate images that contribute to large biological studies.
Complete answer:There are no light microscopes on some cell organelles because high magnification can be achieved. The nucleus, cytoplasm, cell membrane, chloroplasts, and cell wall are organelles that can be seen beneath light microscopy. Including the transmission microscope (TEM), the electron microscope scanner (SEM), and the reflection electron microscope, several different types of electron microscopes are accessible (REM). By 1898 in his study of cellular inner structure, Mitochondria was identified by Carl Benda, and Friedrich Meves created the first knowledge recorded about mitochondria in cells.
Option B: the endoplasmic reticulum is a continuous membrane structure, which forms the cytoplasm of eukaryotic cells with a series of flattened sacs. It has several functions and is particularly important in protein synthesis, folding, alteration, and transport. Ribosomes, endoplasmic reticulum, lysosomes, centrioles, and bodies of Golgi are organelles that can be seen under an electron microscope (highest magnification of more than 200000X). After the invention of the electron microscope, ribosomes were found, endoplasmic reticulum, the lysosomes, centrioles, and Golgi bodies because of their smaller sizes. Choice C: Ribosomes are not visible with a light microscope, but only with the electron microscope.
The right choice is, therefore, D) both B and C.
Note: Combinations of TEM and SEM techniques have led to the electron microscope for scanning transmission (STEM). Using STEM, you can generate very high quality and accurate images that contribute to large biological studies.
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