Which antibody confers the most important specific local immunity to enteric, respiratory, and genitourinary pathogens?
A. IgG
B. IgE
C. IgM
D. IgD
E. IgA
Answer: E
You might also like to view...
What is the basic flow of genetic information in all cellular life? Include in your answer a diagram that illustrates the relationships between the basic components and steps in the flow of genetic information
What will be an ideal response?
When MSH2 and MLH1 are inactivated by mutation, DNA repair is defective and ____________________ mutation
rates increase by at least 100-fold. Fill in the blank(s) with the appropriate word(s).
Two major types of protein secondary structures are referred to as:
a. amino and carboxyl. b. ? helix and ? sheet. c. elementary and primary. d. residual and permanent. e. ionic and covalent.
Fruit structure is adapted to ________, which spread seeds far and wide, thus ensuring reproductive success by minimizing competition among parent and offspring.
Fill in the blank(s) with the appropriate word(s).