Which of the following has been used in recent years to clean up oil spills?
a. bioremediation
b. endosymbiosis
c. anaerobic transformation
d. mycorrhizal association
a. bioremediation
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When this exercise was written, the media campaign in support of golden rice was being launched. Search the Internet for the roots of the controversy over this genetically enhanced plant. Brie?y describe the bene?ts of, and the concerns over, its introduction to the rice-growing areas of the world.
What will be an ideal response?
Hybridomas are cells formed by the fusion of
a. B cells and melanomas. b. B cells and myelomas. c. T cells and melanomas. d. T cells and myelomas. e. B cells, T cells, and myelomas.
Which of the following represents energy flow in a
grazing food web? a. producers >>> detritivores >>> decomposers b. producers >>> decomposers >>> detritivores c. producers >>> herbivores >>> decomposers >>> carnivores d. producers >>> herbivores >>> carnivores >>> decomposers e. producers >>> herbivores >>> detritivores >>> carnivores
A possible mutagen is
a. UV light b. translocation c. an anticodon d. hemoglobin