Adaptive immunity is based upon _____
A) traits common to groups of pathogens
B) pathogen-specific recognition
C) maternal provision of antibodies to offspring
D) plants being exposed to new pathogens
E) having exhausted all options for innate immunity responses
Answer: B
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Stained smears of the surface of the eye might be useful in diagnosing
A. influenza. B. herpes. C. polio. D. rabies.
Transcription is a process that occurs in cells. Which is the best description of transcription?
A) A DNA template is used to generate RNA. B) A DNA sequence is used to activate enzymes in a cell. C) DNA is copied. D) A RNA template is used to make proteins.
The first true vaccine provided immunity to
A) anthrax. B) cholera. C) pertussis. D) rabies. E) smallpox.
DNA replication proceeds in one direction around the bacterial chromosome.
Answer the following statement true (T) or false (F)