Isolated and purified hepatitis B virus surface antigen can be used in a(n)
A) inactivated whole-agent vaccine.
B) attenuated whole-agent vaccine.
C) conjugated vaccine.
D) subunit vaccine.
E) toxoid vaccine.
D
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Actinomycete spores are usually formed on ________ mycelia.
Fill in the blank(s) with the appropriate word(s).
What cellular structure assembles amino acids
into polypeptides?
a. Golgi bodies b. mitochondria c. ribosomes d. centrioles e. lysosomes
An insect that exhibits resistance to a pesticide
a. developed the resistance in response to the pesticide. b. mutated when exposed to the pesticide. c. inherited genes that made it resistant to the pesticide. d. provides an example of pest resurgence. e. is none of these.
This characteristic of a molecule determines the ability of hydrogen bonds to form between it andhydrogen:a
A nonpolar atom. b. An atom with a partial positive charge. c. An atom with a partial negative charge. d. A hydrophobic molecule. e. An atom with a filled valence she