Answered

Which of these is NOT true of antibodies?

A. Can attach to B cells and serve to recognize foreign antigens

B. Can directly kill an invading microbe by releasing proteins into its membrane

C. Can be free-floating and bind to antigens which "tags" them for immune attack

D. Can cause antigens to bind to one another making phagocytosis easier



Answer :

GinnyAnswer

Final answer:

Antibodies recognize and mark pathogens for destruction, but they do not directly kill invading microbes.


Explanation:

Antibodies play crucial roles in the immune system's defense against pathogens through various mechanisms. Antibodies can attach to antigens, mark them for destruction by phagocytic cells, and trigger the complement cascade for immune response. However, antibodies do NOT directly kill invading microbes by releasing proteins into their membranes. Instead, they facilitate the immune system's actions against pathogens.


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