Dissolved oxygen content in stream water is affected by
(a) organic matter in the water.
(b) overgrowth of algae.
(c) water nutrient levels.
(d) all of the above.
(d) all of the above.
Biology & Microbiology
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Plasmodium falciparum is a protistan parasite, borne by mosquitoes, that constitutes a serious health problem for humans. The disease it causes is:
A. diabetes B. malaria C. yellow fever D. dengue fever E. Lyme disease
Biology & Microbiology
"Crossing over" is partially responsible for our genetic diversity. Indicate whether the statement is true or false
Biology & Microbiology
Bacteriochlorophyll a absorbs ________ light
A) 350 nm, ultraviolet B) 425 nm, violet C) 660 nm, red D) both 425 & 660 nm (violet and red) E) all visible
Biology & Microbiology
To produce one glucose, the Calvin cycle needs to be run through ________ time(s).
A) eight B) one C) four D) six E) two
Biology & Microbiology