Lichens are mutualisms between
A. mycorrhizae and yeast.
B. fungi and a green plant.
C. yeast and another fungi.
D. fungi and a mycorrhizae.
E. fungi and an alga.
Answer: E
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A) chemoreceptors: decrease : decrease B) baroreceptors : decrease : decrease C) baroreceptors : decrease : increase D) baroreceptors : increase : increase E) chemoreceptors : decrease : increase
Which of the following statements concerning saliva is false?
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A) stomach B) pharynx C) rectum D) epiglottis
The complement fixation test uses red blood cells as the target for complement activation. Test serum containing antibodies is combined with a known amount of antigen in a tube, and then the RBCs and antibodies against the RBCs are added. A positive
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