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प्रश्न
The proteins and lipids, essential for building the cell membrane, are manufactured by
पर्याय
rough endoplasmic reticulum
golgi apparatus
plasma membrane
mitochondria
उत्तर
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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संबंधित प्रश्न
Multiple Choice Question:
Put a tick mark (✓) against the correct alternative in the following statement:
Raisins swell when put in:
State whether the following statement is true or false. Rewrite the false statement correctly.
Water enters the root-hair by osmosis.
With the help of a diagram, explain osmosis in plant cells.
Why do raisins (dried grapes) swell when kept soaked in water?
Study the experimental setup in the figure and then answer the questions that follow.
- What phenomenon is being studied by this setup?
- Explain the phenomenon mentioned in (a) above.
- What is meant by 'semipermeable membrane'?
- What will you observe in the set-up after about half an hour? Give a reason for your answer.
A membrane that allows the passage of solvent molecules but not the passage of solute molecules is called ____________ membrane.
In the elongation phase of growth, synthesis of protoplasm and increase in solute concentration result in ____________.
Following are a few definitions of osmosis Read carefully and select the correct definition
Why is endocytosis found in animals only?
In the potato osmoscope experiment, what process will take place if the position of sugar solution and colored pure water is interchanged? Answer with respect to solution in potato cavity.
