The manufacture of fertilizer is an energy-intensive process that uses ________ gas to reduce N2 to NH4+ at high temperature and pressure.
Fill in the blank(s) with the appropriate word(s).
hydrogen
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The consequence of an infection by a temperate bacteriophage is that the bacterial cell
A) lyses before it gets a chance to divide. B) never lyses but continues to divide and replicate both the virus and the cell. C) divides faster at moderate temperatures. D) may lyse before it divides or may continue to divide and replicate both the virus and the cell.
Populations ____
a. are only limited by one factor at a time b. increase arithmetically c. may increase indefinitely d. are limited by the carrying capacity e. overcome limiting factors by increasing their biotic potential
If a bone fragment resulting from a broken nose pushed against the olfactory (smell) nerve, triggering an action potential, the person would
A) register the sensation as a smell. B) register the sensation as a visual stimulus. C) register the sensation as a sound. D) lose her sense of smell. E) not register the sensation at all.
Urediniomycetes are the class of basidiomycetes that cause plant rusts.
Answer the following statement true (T) or false (F)