How does carbon buried in deep ocean sediments return back to the surface?
a. it floats to the surface
b. it is brought up by fish
c. storms stir up the ocean bottom
d. wave motion brings it up
e. uplifting of the sea floor
E
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Histone codes are important because: (Select all correct choices)
A. they are associated with chromatin remodeling and are therefore thought to affect gene transcription. B. they are associated with CpG island methylation and are therefore thought to affect gene transcription. C. they are associated with cancer genes and their regulation by gene transcription. D. they are associated with the environmental and developmental cues that determine whether viral genes and genes in transposable elements are turned off and on.
Most individuals in academia are basic researchers, funded through research grants from agencies or foundations. Based on your knowledge of applied research, an industrial company would most likely employ individuals
A. who develop alternative fuel sources. B. who identify a new species of beetle in the Amazon rainforest. C. looking at novel proteins involved in the development of a neurological disease. D. who document fossils found in a specific archeological expedition.
In which cycles do non-gaseous nutrients such as phosphorous move?
a. atmospheric cycles b. global cycles c. water cycles d. sedimentary cycles e. plant-animal cycles
All seed plants are described as ________ because their sporophytes have two types of sporangia that produce sexually different spores.
A. Heterosporous B. Polypoids C. Homosporous D. Monoecious E. Dioecious