Histamine, released during inflammation, is associated with which defense mechanism?
A. innate
B. adaptive
C. active
D. complementary
E. cell-mediated
Answer: A
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On what basis have Microsporidia been classified as fungi?
A. Lack of mitochondria B. Analysis of ribosomal RNA C. Presence of a polar tube D. Presence of mitosomes E. Role as an obligate intracellular parasite
Viruses with a tail attached at one side of a polyhedral head are called ____
a. simple viruses b. helical viruses c. enveloped viruses d. complex viruses e. viroids
Nonpoint source pollutants include
a. fertilizers from lawns. b. pesticides from farm fields. c. soil erosion from construction sites. d. all of the above.
In a Punnett square, the alleles available for inheritance from one parent are listed across the top and those from the
other parent are listed across the left side. _________________ Indicate whether the statement is true or false.