The response represented by the dashed line in the accompanying figure indicates a:
a. secondary response to the initial antigen.
b. primary response to the initial antigen.
c. secondary response to an antigen distinctly different from the initial antigen.
d. primary response to an antigen distinctly different from the initial antigen.
e. secondary response equivalent to a primary response
d
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Pseudomonas species are occasional causes of
A) diarrheal disease. B) food poisoning from meat. C) food poisoning from dairy products. D) "flesh-eating" bacterial infections. E) urinary tract infections.
Cells with a relatively simple cell morphology that do not have a true membrane-delimited nucleus are called ________.
A. urkaryotes B. prokaryotes C. nokaryotes D. eukaryotes
When DNA ligase is used to combine a human fragment with a plasmid, the result is a redundant
plasmid. __________________ Indicate whether the statement is true or false.