The cuticle of a plant is primarily for
a. retention of water.
b. conduction of water and minerals.
c. absorption of oxygen.
d. photosynthesis.
e. structural support
A
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Ug99 is a type of ____________, and is a fungus (rust) that has decimated wheat crops
A. chytrid B. ascomycete C. basidiomycete D. glomeromycete E. zygomycete
A prokaryote that differs from most other bacteria with respect to its very small size and obligates intracellular parasitism is:
a. Rickettsia. b. Bartonella. c. Calymmatobacterium. d. Coxiella.
Bacteria that resist killing by complement proteins are termed
A. carriers. B. serum resistant. C. balanced pathogens. D. mutualistic. E. carriers AND serum resistant.
Which of the following could be considered an oligotrophic (growing at low nutrient levels) environment inhabited by Alphaproteobacteria? (Check all that apply.)
A. Anaerobic environment B. Symbiotic growth with another organism C. Remote marine environments D. Growth in food items