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Describe the structure and function of the plasma membrane how does it selectively parallel membrane nature contribute to the survival and the function of the cell?
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Describe the structure and function of the plasma membrane how does it...
Structure and Function of the Plasma Membrane
The plasma membrane is a thin, semi-permeable barrier that surrounds the cell. It is composed of a double layer of phospholipid molecules with embedded proteins.
Structure:
- The phospholipid bilayer consists of hydrophilic heads facing the outside and inside of the cell, while the hydrophobic tails are sandwiched in between.
- Proteins embedded in the membrane serve various functions such as transport, communication, and cell recognition.
- Cholesterol molecules help maintain the fluidity and stability of the membrane.
Function:
- The plasma membrane regulates the passage of substances in and out of the cell, allowing essential molecules to enter and waste products to exit.
- It provides structural support and shape to the cell.
- The membrane plays a crucial role in cell signaling and communication with other cells.
Selective Permeability
The selective permeability of the plasma membrane allows only certain molecules to pass through while blocking others. This feature is essential for the survival and function of the cell.
Contributions to Cell Survival:
- Prevents harmful substances from entering the cell, protecting it from damage.
- Allows essential nutrients and molecules to enter the cell, ensuring proper functioning and metabolism.
- Helps maintain internal conditions necessary for cell survival, such as ion balance and pH levels.
In conclusion, the structure and selective permeability of the plasma membrane are crucial for the survival and function of the cell by regulating the passage of substances and maintaining internal balance.
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Describe the structure and function of the plasma membrane how does it selectively parallel membrane nature contribute to the survival and the function of the cell?
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Describe the structure and function of the plasma membrane how does it selectively parallel membrane nature contribute to the survival and the function of the cell? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about Describe the structure and function of the plasma membrane how does it selectively parallel membrane nature contribute to the survival and the function of the cell? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Describe the structure and function of the plasma membrane how does it selectively parallel membrane nature contribute to the survival and the function of the cell?.
Describe the structure and function of the plasma membrane how does it selectively parallel membrane nature contribute to the survival and the function of the cell? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about Describe the structure and function of the plasma membrane how does it selectively parallel membrane nature contribute to the survival and the function of the cell? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Describe the structure and function of the plasma membrane how does it selectively parallel membrane nature contribute to the survival and the function of the cell?.
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