Question:

$SER$ and $RER$ can be distinguished with its presence in

Updated On: Jul 28, 2022
  • protein synthesising cells
  • protein and lipid synthesising cells
  • carbohydrates and fat synthesising cells
  • fat and protein synthesising cells
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The Correct Option is D

Solution and Explanation

Endoplasmic reticulum was discovered by Porter et al $(1945)$. It is a network of membranous sac like structure such as cisternae, vesicles and narrow tubules. On the basis of presence or absence of ribosomes on its surface these structure are of two types. Rough Endoplasimc Reticulm $(RER) $ with ribosomes on its surface is prominently present in protein synthesizing cells. It is also called as ergastoplasm. Smooth Endoplasmic Reticulms $(SER)$ lack ribosomes on its surface. It is also known as sarcoplasm. These structure predominantly occur in fat synthesising cells.
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Concepts Used:

Eurkaryotic Cells - Golgi Apparatus

The Golgi apparatus is also known as the Golgi complex or the Golgi body. The term is derived from Camillo Golgi, the scientist who discovered the organelle. It can be found in all eukaryotic cells, including plants and animals. They are membrane-bound organelles found in the cell's cytoplasm. 

Formation of acrosome: The acrosome is a component of the tip of animal sperms that aids in the digestion of the egg or ovum covering sheath during fertilisation. The Golgi complex produces it with the help of its vesicles.