The immune response of a host against an invading bacterium is often triggered by surface components on the bacterium that are recognized as "non-self" or "foreign" by the host. These non-self components, often protein or polysaccharide in nature, are referred to as antigens. The host responds to these antigens by making antibodies that will react with invading bacteria and mark them or tag them for destruction by phagocytes.

Indicate the bacterial structures that are likely to be antigens, to which host antibodies bind, marking the invader for phagocytosis

a. fimbriae
b. ribosomes
c. cell wall
d. plasmids
e. flagella
f. capsule
g. nucleoid

Answer :

Answer:

The correct answer is :

a. fimbriae

e. flagella

c. cell wall

f. capsule

Explanation:

There are several bacterial structures that are binds to the host cells and likely to be antigens to which specific antibodies attached to mark or destruct them by phagocytes.

These bacterial structures are common in the fact that all these structures have binding ability to the host cells and invading them some of these structures are : fimbriae, cell wall, flagella, and capsule that are attached to antibodies and cell of the host.

Thus, the correct answer is :

a. fimbriae

e. flagella

c. cell wall

f. capsule

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