Antigens are foreign molecules that trigger the generation of antibodies. They can be proteins, polysaccharides, lipids, or nucleic acids, and are recognized as non-self by the immune system. Antibodies specifically bind to antigens, marking them for destruction by other immune cells.

Solved

Antigens Are

Question 23

Multiple Choice

Antigens are

A) proteins found in the blood that cause foreign blood cells to clump.
B) foreign molecules that become embedded in B cell membranes.
C) proteins that consist of two light and two heavy polypeptide chains.
D) foreign molecules that trigger the generation of antibodies.
E) proteins released during an inflammatory response.

Correct Answer: