Question:
Which of the following statements with respect to Endoplasmic Reticulum is incorrect?
Which of the following statements with respect to Endoplasmic Reticulum is incorrect?
Updated On: Mar 19, 2026
- RER has ribosomes attached to ER
- SER is devoid of ribosomes
- In prokaryotes only RER are present
- SER are the sites for lipid synthesis
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The Correct Option is C
Solution and Explanation
To determine the incorrect statement about the Endoplasmic Reticulum (ER), let's evaluate each option:
- RER has ribosomes attached to ER: This statement is correct. The Rough Endoplasmic Reticulum (RER) is characterized by having ribosomes on its cytoplasmic surface, which gives it a "rough" appearance under a microscope.
- SER is devoid of ribosomes: This statement is correct. The Smooth Endoplasmic Reticulum (SER) lacks ribosomes, making its surface appear smooth.
- In prokaryotes only RER are present: This statement is incorrect. Prokaryotes do not have an Endoplasmic Reticulum. Both RER and SER are components of eukaryotic cells, not found in prokaryotes such as bacteria.
- SER are the sites for lipid synthesis: This statement is correct. The Smooth Endoplasmic Reticulum is involved in the synthesis of lipids and steroid hormones.
Thus, the statement that is incorrect regarding the Endoplasmic Reticulum is: In prokaryotes only RER are present.
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Concepts Used:
Cell: The Unit of Life
- A cell is derived as the functional and structural unit of life. Every cell is surrounded by a cell membrane that dissects the external and internal environments of the cell. The interior environment of a cell is called the cytoplasm.
- It carries cellular machinery and structural elements. The nucleus is present in the center of the cell, which includes all the hereditary information of an organism. Some of the molecules present in the cell are protein, carbohydrates, starch, and sugar.
Read More: Fundamental Unit of Life: Cell
Parts of Cell:
The different parts of a cell and their functions are as follows:
- Cell Membrane
- Cell Wall
- Nucleus
- Cytoplasm
