Which of the following best describes the qualities of most antigens?
A) macromolecules that are produced by the host organism
B) atomic elements that are not normally present in the human body
C) macromolecules that are foreign to the host
D) atomic elements that are harmful or toxic

Question

Quizplus · Accepted Answer

Antigens are macromolecules that are foreign to the host and can trigger an immune response. Examples of antigens include proteins, polysaccharides, and nucleic acids from bacteria, viruses, and other pathogens. They can also be found on the surface of cancer cells or transplanted tissues. It is important to note that not all foreign macromolecules are antigens, only those that elicit an immune response.

Which of the Following Best Describes the Qualities of Most