8 Questions
Which process allows substances like carbon dioxide or oxygen to move across the cell membrane?
Diffusion
What is the movement of a substance from a region of high concentration to a region where its concentration is low called?
Diffusion
Which of the following is the primary function of the plasma membrane?
To selectively permit the entry and exit of some substances into and out of the cell
Which of the following substances requires to be excreted out of the cell?
Carbon dioxide
What is the term used to describe the cell membrane's ability to selectively permit the entry and exit of some substances into and out of the cell?
Permeability
Which of the following is NOT a function of the plasma membrane?
Regulating the movement of all substances
What is the term used to describe the movement of substances from a region of low concentration to a region where its concentration is high?
Active transport
Which of the following is the primary function of the cell membrane?
Separating the contents of the cell from its external environment
Test your knowledge on the movement of materials across the plasma membrane with this quiz. Learn about the functions and characteristics of the cell membrane, including its selective permeability and regulation of material entry and exit.
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