Bacteria are most essential in the cycling of:

a. carbon.
b. water.
c. phosphorus.
d. nitrogen.
e. energy.


d

Biology & Microbiology

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Which fungal condition is most often detected in the bone marrow?

a. Brucellosis b. Histoplasmosis c. Tuberculosis d. Leishmaniasis

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The most widely used herbicide in the world, 2,4-D, is a synthetic form of ____

a. abscisic acid b. ethylene c. salicylic acid d. gibberellin e. auxin

Biology & Microbiology

The success of Chitwan National Park in Nepal is attributed primarily to ____

a. ecotourism b. exclusion of local residents c. ecosystem valuation d. benefits provided to local residents e. income derived through hunting

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What is the fundamental unit of all substances?

a. Atom b. Cell c. Organ d. Tissue e. Community

Biology & Microbiology