What phylum posses a stomochord?
a. Chordata
b. Echinoidea
c. Hemichordata
d. Holothuroidea
e. Urochordata
Ans: c. Hemichordata
Biology & Microbiology
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a. gray. b. black. c. brown. d. red. e. blue.
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The anterior pituitary receives releasing and inhibiting signals from the ____
a. hypothalamus b. posterior pituitary c. adrenal gland d. testes and ovaries e. pancreas
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When stung by a bee, Jackie goes into anaphylactic shock. This should be quickly treated with
A. interferon. B. epinephrine. C. cytokines. D. histamine. E. a vaccination.
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In which phase of an HIV infection is a person typically asymptomatic?
A. AIDS (C) B. acute phase (A) C. chronic phase (B) D. terminal phase (E) E. AIDS (D)
Biology & Microbiology