If a child has blood type AB, he or she could NOT have been produced by which set of parents?
a. Type A mother and type B father
b. Type AB mother and type O father
c. Type O mother and type O father
d. Type O mother and type AB father
e. Type B mother and type AB father
C
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Which method would be LEAST effective at sterilizing a glass hockey stick to use in the spread-plate method?
A) autoclaving B) gamma radiation C) ethanol soaking D) ultrahigh-temperature pasteurization
Pheromones
a. are signaling molecules that are used for olfactory communication between two different species. b. are only used by invertebrates. c. require a vomeronasal organ to be detected. d. are signaling molecules used for olfactory communication between members of the same species. e. are all of these
Arthrospores of Coccidioides immitis develop into ________ that will release endospores into the lungs.
A. hyphae B. capsids C. spherules D. buds E. capsules
Negatively charged subatomic particles that have almost no mass are called:
A. protons. B. ions. C. electrons. D. polymers. E. neutrons.