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Question
The proteins and lipids, essential for building the cell membrane, are manufactured by
Options
rough endoplasmic reticulum
golgi apparatus
plasma membrane
mitochondria
Solution
rough endoplasmic reticulum
Explanation -
The endoplasmic reticulum performs the following functions
- It increases the surface area of the cytoplasm for various metabolic activities of the cell.
- It gives internal support to the colloidal matrix e., cytoplasm.
- It is associated with the synthesis, storage, and transport of metabolic products.
- It helps in the formation of the cell plate and nuclear membrane during cell division.
- Routh Endoplasmic Reticulum (RER) is associated with the synthesis of proteins.
- Smooth Endoplasmic Reticulum (SER) secretes lipids which along with proteins constitute cell membrane by a process called membrane biogenesis.
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