Which of the following terms is used to define the structure that separates the contents of a human cell from its surrounding medium?
A) cell wall
B) cell layer
C) plasma membrane
D) cell boundary
E) All of the above are used.

Question

Quizplus · Accepted Answer

The plasma membrane is the structure that separates the contents of a human cell from its surrounding medium. The cell wall is only present in plant cells and provides added structural support. The term cell layer is not commonly used to refer to the plasma membrane or any other structure related to cell boundaries. The term cell boundary may be used to refer to the plasma membrane, but it is less commonly used than the term plasma membrane. Therefore, the best choice is C.

Which of the Following Terms Is Used to Define the Structure