What percentage of terrestrial plants are colonized by arbuscular mycorrhizae?
A) 10
B) 25
C) 50
D) 85
Answer: D
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Desulfotomaculum are gram-positive, but stain gram-negative because their cell walls have a lower than normal concentration of peptidoglycan.
Answer the following statement true (T) or false (F)
Each of the following are benefits of fever except
A. it increases metabolism. B. it increases phagocytosis. C. it reduces the ability of temperature-sensitive organisms to multiply. D. it stimulates hematopoiesis. E. it increases the availability of iron.
The cells in the gastric glands that produce digestive substances are the:a
goblet and pyloric cells. b. alpha and beta cells.
c. pyloric and parietal cells. d. chief and goblet cells. e. parietal and chief cells.
In mammals, lungs inflate when muscles increase the size of the ______ cavity.
Fill in the blank(s) with the appropriate word(s).