The function of the plasma membrane is B. It helps filter waste inside the cell.
<h3>What is the plasma membrane?</h3>
The plasma membrane is responsible for <em>separating the environment between the inside and outside of the cell</em>. It is composed of a lipid bilayer that is <em>semi-permeable</em>, which gives it this regulatory characteristic on the transport of substances inside and outside the cell.
What it is going to do is protect the cell from what may be outside the cellular environment, so this cell has a <em>stable environment</em> in which it can perform its function correctly.
The membrane, apart from its lipid structure, will also have proteins that will allow it to interact with other cells and also glycoprotein portions that give it another layer of protection, which is what we call glycocalyx.
Therefore, we can confirm that the function of the plasma membrane is B. It helps filter waste inside the cell.
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