Non-nitrogen-fixing bacteria bring in ammonia and use it for anabolic pathways by incorporating it into
a. glutamate.
b. glutamine.
c. oxaloacetate.
d. both glutamate and glutamine.
Answer: D
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Although extinction is a natural process and is ongoing, it is likely we are in a time of ____, an event in which many
different kinds of organisms become extinct in a relatively short period.
a. mass extinction b. genetic mutation c. geologic catastrophe d. loss of megafauna e. birth of new species
In the sodium-potassium pump, sodium ion release causes two K+ ions to be released into the cell
__________________ Indicate whether the statement is true or false.
Where would a coral reef most likely be found?
A) In the oceanic benthic realm below the continental shelf B) In an estuary C) In the deep sea D) In the oceanic photic zone
A hybridoma results from the fusion of a(an)
A) B cell with a T cell. B) B cell with a myeloma cell. C) antigen with an antibody. D) antigen with a B cell. E) myeloma cell with a virus.