The antibody that is secreted in various body fluids and primarily protects those body surfaces lined with mucous membranes is:
a. immunoglobulin (Ig) G.
b. IgA.
c. IgM.
d. IgE.
B
Each of the five different classes of antibodies has its distinctive molecular configuration and is involved in the immune reaction in a different way. IgA is secreted in body fluids and primarily protects those body surfaces lined with mucous membranes.
You might also like to view...
Which pair correctly associates a physiological process with the appropriate vitamin?
A) blood clotting â€" vitamin C B) normal vision â€" vitamin A C) synthesis of cell membranes â€" vitamin D D) production of white blood cells â€" vitamin K
True or False: The diverse array of Anolis lizards in Hispaniola is the result of several different species of lizards originally colonizing the island. Very little diversification occurred after these colonists arrived at Hispaniola
A. true B. false
A gametophyte that develops from a ____ spore is bisexual, meaning that it can produce both sperm and eggs
a. homosporous b. polysporous c. heterosporous d. diplosporous e. bisporous
The minimum lethal concentration (MLC) is the lowest concentration of drug from which organisms fail to recover when removed from the drug.
Answer the following statement true (T) or false (F)