The immunoglobulin associated with Type I hypersensitivity is

A. IgG.
B. IgA.
C. IgM.
D. IgE.
E. IgD.


D

Biology & Microbiology

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Inflammation

a. is triggered by activated complement. b. is a non-specific, local response. c. results in redness due to increased blood flow. d. results in swelling due to diffusion of water into the tissue. e. is true of all of these

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Where does spermatogenesis occur?

A. vas deferens B. ovaries C. lobules of the testes D. bulbourethral gland E. urethra

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A fungus 

A. is an autotroph. B. lacks cell walls. C. produces spores. D. has a cellulose cell wall.

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In a microcosm experiment, Chris Steiner and colleagues showed that resilience was positively related to the number of species present, but only in __________-productivity microcosms.

A) low B) high

Biology & Microbiology