Which cancer-causing agent inserts foreign DNA into cells making them cancerous?
a. parasites
b. viruses
c. mast cells
d. radiation
e. bacteria
ANSWER: b
Biology & Microbiology
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Groundwater is water:
a. that runs over the ground and drains into a specific waterway b. in the ocean c. in lakes and rivers d. stored in ground containers such as man-made reservoirs e. in soil and aquifers
Biology & Microbiology
Algal blooms deplete the water of
a. oxygen. b. carbon dioxide. c. nitrogen. d. phosphorus. e. calcium.
Biology & Microbiology
Protostomes exhibit radial cleavage
____________________ Indicate whether the statement is true or false.
Biology & Microbiology
When two different microbes work together to degrade a substance that neither can degrade alone, it is called
a. a redox reaction. b. syntrophy. c. symbiosis. d. reductive dechlorination.
Biology & Microbiology