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Cell Membranes

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Questions and Answers

Which of the following best describes the function of the cell membrane?

To separate the interior of the cell from the outside environment (correct)

To provide structure to the cell

To detect extracellular signals

To regulate the movement of substances into and out of the cell

What is the main component of the cell membrane?

Nucleic acids

Proteins

Lipids (correct)

Carbohydrates

What is the function of transport proteins in the cell membrane?

To serve as sites for specific biochemical functions

To regulate the movement of substances into and out of the cell (correct)

To provide structure to the cell

To detect extracellular signals

What is the term used to describe the dynamic nature of cell membranes?

Fluid state Signup and view all the answers

Where are the protein molecules that act as receptors located?

Outside the cell Signup and view all the answers

Which of the following is NOT a component of the cell membrane?

Glycolipids Signup and view all the answers

What is the function of peripheral proteins in the cell membrane?

Act as enzymes to facilitate interaction with the cell's environment Signup and view all the answers

Which of the following statements about the cell membrane is true?

It maintains appropriate membrane fluidity at various temperatures Signup and view all the answers

What is the historical term for the cell membrane?

Plasmalemma Signup and view all the answers

What is the main function of the cell membrane?

To control the movement of substances in and out of a cell Signup and view all the answers