In the primary response, the 1st class of antibody to be secreted by plasma cells; also produced to much lower levels than the antibody in the secondary response
A. Primary Response
B. IgM
C. Secondary Response
D. IgG
E. Latent Period
F. 1st Exposure
D. IgG
You might also like to view...
A plant lacking this macronutrient is likely to be deficient in which step of root nodule development?
A. Calcium; flavonoid release B. Phosphorus; development of infection threads C. Calcium; curling of root hairs around rhizobia D. Phosphorus; curling of root hairs around rhizobia
The end of floral shoot where a flower develops is called the ____
a. ovule b. calyx c. receptacle d. filament e. carpel
The process of adding hydrogen to N2, creating NH3 and eventually NH4
+, and which requires a substantial input of ATP, is called
a. nitrification. b. ammonification. c. nitrogen cycling. d. nitrogen fixation. e. nitrogen assimilation.
Living things combine elements in unique ways, creating molecules that nonliving things cannot create
a. true b. false