An antigen is?

A) a molecule recognized as being foreign to the body
B) a molecule that protects cells from viral infection
C) an antibacterial protein
D) a protein that joining together to form a membrane attack complex


Answer: A) a molecule recognized as being foreign to the body

Biology & Microbiology

You might also like to view...

What is the oxidized form of the most common electron carrier that is needed for both glycolysis and the Krebs cycle?  

A.  ATP B.  FAD C.  pyruvate D.  NAD+ E.  acetyl-CoA

Biology & Microbiology

Intestinal parasites can be identified by observing stool samples for the presence of

A) cysts. B) antibodies. C) LPS. D) blood.

Biology & Microbiology

Blood pH is kept near a value of 7.3-7.5 because of ____.

A. salts B. buffers C. acids D. bases E. water

Biology & Microbiology

Which of these is not a characteristic of Klinefelter syndrome?

A) underdeveloped testes B) long limbs C) low testosterone levels D) XXY genotype E) web of skin between the neck and shoulders

Biology & Microbiology