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Choose the correct answer to the following question. Which part of the endomembrane system of a cell of eukaryotes is often noticed as participating in the synthesis of protein and secretion?
Golgi complex
Smooth Endoplasmic Reticulum
Rough Endoplasmic Reticulum
Lysosomes
Answers (1)
Option 3 is correct because the rough endoplasmic reticulum is part of the endomembrane system which helps in the synthesis and secretion of proteins. Rough ER is a membrane–bound organelle present inside the cells of eukaryotes with a nuclear envelope. It has ribosomes on its surface which gives it a bumpy and even rough appearance.
Explanation for the incorrect options :
Option 1 is Incorrect because the Golgi complex helps in the formation of glycoproteins and glycolipids. It does not participate in the synthesis and secretion of proteins but helps in the packaging of materials in vesicle forms.
Option 2 is incorrect because the smooth endoplasmic reticulum helps in the synthesis of lipids. Smooth ER lacks ribosomes which give it a smooth appearance.
Option 4 is incorrect because Lysosomes serve in the removal of waste and endocytosis of cellular debris.
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