Which of the following activities is a function of the plasma membrane? select one: a. digestion of unneeded cell organelles b. recognition of bacterial cells by the immune system c. transport of products from the nucleus to the endoplasmic reticulum d. cell metabolism e. detoxification

Option (b).

Explanation:

Plasma membrane is also known as cell membrane. This membrane separates the cell interior to its exterior environment. Plasma membrane is made up of lipids and proteins.

Bacterial cells contain peptidoglycan layer and acts as a target for the innate immune system. Innate immune system recognizes the pathogen by  the pattern recognition receptors present on the membrane. Hence, plasma membrane plays an important role in the recognition of bacterial cells by the immune system.

Thus, the correct answer is option (b).

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