5 Questions
What is the function of the plasma membrane in a cell?
The plasma membrane separates and protects the cell's chemical components from the outside environment, is involved in cell communication, import and export of molecules, and cell growth and motility.
What are the roles of receptor proteins in the plasma membrane?
Receptor proteins enable the cell to receive signals from the environment.
How does the flexibility of the membrane contribute to cell growth and movement?
The flexibility of the membrane allows for cell growth and movement.
Why is the plasma membrane essential for the survival and growth of a cell?
The plasma membrane allows nutrients to pass inward and waste products to pass out, facilitating the exchange necessary for cell survival and growth.
What would be the consequence of the absence of membranes in cells?
Without membranes, there would be no cells, and thus no life.
Test your knowledge of the structural and functional organization of cells with this quiz based on the essential cell biology concepts from Alberts et al., chapters 11 and 1
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