Based on the accompanying graph, which statement is accurate?
a. The primary response to the initial injection subsides after seven weeks.
b. The primary response to the initial injection peaks at 102 antibody units.
c. The primary response to the initial injection is faster, but not as intense as the secondary response.
d. The secondary response to the initial antigen is both faster and more intense than the primary response.
e. The primary and secondary responses to the initial antigen are about equal
d
You might also like to view...
Ribosomes are directly associated with which process?
A. Transcription B. Replication C. Translocation D. Translation
How might mutations in the dnaQ sequence, whose enzyme is involved in DNA proofreading, be beneficial for a microbe in a highly competitive and dynamic community?
What will be an ideal response?
Human sweat has antimicrobial activity due to
A. production of an antimicrobial peptide called cathelicidins. B. production of low molecular weight compounds that chelate free iron. C. production of low molecular weight compounds that maintain an alkaline pH. D. competition with normal sweat gland flora.
Amniocentesis is not performed on mothers over the age of thirty-five
a. True b. False