Viruses that naturally cause clumping of red blood cells can be diagnosed using a(n) ________ test.
A. agglutination
B. complement fixationÂ
C. viral hemagglutination
D. both agglutination and complement fixationÂ
E. viral neutralization
Answer: C
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Insertion or deletion of a nucleotide in a gene causes a type of mutation called a(n) ____________________ mutation
Fill in the blank(s) with correct word
Into which group would you place a unicellular organism that has 70S ribosomes and a peptidoglycan cell wall?
A) Animalia B) Bacteria C) Fungi D) Plantae E) Protist
The immunoglobulin class that has an Fc region that binds to receptors on basophils and mast cells is
A. IgD. B. IgM. C. IgA. D. IgG E. IgE.
Streptococcal pharyngitis involves all the following, except:
A. a purulent exudate over the tonsils. B. can lead to scarlet fever if it is an erythrogenic toxin-producing strain. C. can lead to serious sequelae. D. is usually caused by the viridans streptococci. E. causes redness, difficulty in swallowing, and fever.