If plasma membrane of a cell break down then the internal environment of a cell is disturbed completely and the cell will die due to its inability to carry out essential life processes required for its survival

Introduction:
The plasma membrane is a crucial component of a cell that separates the internal environment of the cell from the external environment. It is a dynamic structure that plays a vital role in maintaining the integrity and homeostasis of the cell. However, if the plasma membrane is broken down, several consequences can occur.

Disruption of Cellular Homeostasis:
The plasma membrane regulates the movement of substances in and out of the cell through a process called selective permeability. It allows essential molecules, such as nutrients and ions, to enter the cell while preventing the passage of harmful substances. When the plasma membrane is broken down, this selective permeability is compromised, leading to the loss of cellular homeostasis. Essential molecules may leak out, while toxins and unwanted substances may enter the cell freely. This disruption can have severe consequences on the overall functioning of the cell.

Loss of Structural Integrity:
The plasma membrane provides structural support to the cell and helps maintain its shape. It consists of a phospholipid bilayer embedded with proteins that give it strength and flexibility. When the plasma membrane is broken down, the structural integrity of the cell is compromised. The cell may lose its shape and become more susceptible to damage from external factors.

Loss of Cell Communication:
The plasma membrane plays a crucial role in cell communication. It contains specific proteins and receptors that enable cells to send and receive signals from their surroundings. These signals are essential for various cellular processes such as growth, division, and differentiation. When the plasma membrane is broken down, cell communication is disrupted. Cells may not receive or respond to signals properly, leading to impaired cell functions.

Increased Vulnerability to Pathogens:
A broken plasma membrane can also make cells more susceptible to the invasion of pathogens such as bacteria and viruses. These pathogens can enter the cell easily and cause infections or disrupt cellular processes. The compromised plasma membrane fails to act as a barrier against these pathogens, resulting in a higher risk of disease.

Conclusion:
In conclusion, if the plasma membrane is broken down, several consequences can occur. These include the disruption of cellular homeostasis, loss of structural integrity, impaired cell communication, and increased vulnerability to pathogens. Maintaining the integrity of the plasma membrane is crucial for the proper functioning and survival of the cell.