Which of the following are related to the synthesis of excretory protein by the cell?
Correct answer: B. Rough Endoplasmic Reticulum
- A. Cell membranes
- B. Rough Endoplasmic Reticulum
- C. Smooth Endoplasmic Reticulum
- D. Centrioles
- E. Both A and B
Explanation
The rough endoplasmic reticulum (RER) is embedded with ribosomes, which are responsible for the synthesis of proteins. These proteins are then transported through the RER to be modified, folded, and sorted before being transported to their final destination. Some of the proteins synthesized by the RER are excretory proteins, which are secreted by the cell to remove waste products from the body. Therefore, the RER plays a key role in the synthesis and secretion of excretory proteins by the cell.
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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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