In cell fractionation various components of cells including its organelles can be isolated in different layers depending upon____________?
Correct answer: D. Both a and b
- A. Their physical properties like size & weight.
- B. Physical properties of the medium like its density.
- C. Their electrical properties like their charges
- D. Both a and b
Explanation
Cell fractionation separates organelles according to physical properties such as size and mass, while the density of the surrounding medium also affects how quickly they sediment. Thus both a and b are involved. Students may choose a alone by overlooking the role of the medium's density.
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About Cytoplasmic Organelles
Cytoplasmic organelles are the specialized structures suspended in cytoplasm, including mitochondria, ribosomes, endoplasmic reticulum, Golgi apparatus, lysosomes, vacuoles and centrosomes. Questions compare their structures and functions in animal and plant cells, including chloroplasts and the role of the endomembrane system in transport and secretion.
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