GENERAL HISTOLOGY

LYMPHATIC

LYMPHATIC SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The process by which antibodies bind to specific sites on bacterial exotoxins to block their harmful effects is called:
A
Agglutination
B
Neutralization
C
Opsonization
D
None of These
Explanation: 

Detailed explanation-1: -1: Neutralization of Exotoxins. The Fab portion of the antibodies made against epitopes of the binding site of an exotoxin blocks the exotoxin from binding to the exotoxin receptor on the host cell membrane. As a result, the toxin can not enter the cell and cause harm.

Detailed explanation-2: -Neutralization is defined as the loss of infectivity that takes place when an antibody molecule binds to a virion and usually does not require the involvement of any other antibody activity.

Detailed explanation-3: -What is the Difference Between Opsonization and Neutralization? Opsonization is the process of removing pathogens by marking with the opsonins while neutralization is the process of removing the effect of an antigen by binding with a neutralizing antibody.

Detailed explanation-4: -Antitoxins are chemicals, such as antibodies, that bind to toxins produced by pathogens so that the toxins no longer have a harmful effect. Figure 9: This diagram shows how antibodies acting as antitoxins can neutralize toxins to prevent damage to a host cell.

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