The primary immune response is characterized by:

A. induction by one dose of antigen
B. a long lag period
C. Low levels of antibody produced
D. waning rapidly
E. all of the above


Ans: E. all of the above

Biology & Microbiology

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Linked DNA segments from humans and vectors, such as plasmids, are called

____________________ molecules. Fill in the blank(s) with the appropriate word(s).

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The field of ____________________ investigates similarities and differences in the genomes from different species. Fill in the blank(s) with the appropriate word(s)

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A diet high in omega-3 fatty acids obtained from various types of fish is recommended to reduce the risk of cardiovascular disease.

Answer the following statement true (T) or false (F)

Biology & Microbiology

Human facial expressions in response to various emotions

A) vary according to race. B) vary according to age. C) vary according to sex. D) are remarkably similar among different cultures. E) vary tremendously from culture to culture.

Biology & Microbiology