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What part do (a) nitrifying, (b) nitrogen-fixing and (c) denitrifying bacteria play in the nitrogen cycle?
a) Nitrifying bacteria in the soil change ammonia and other nitrogenous substances (e.g.urea) into nitrates.
b) Nitrogen-fixing bacteria (in the soil or in root nodules) convert gaseous nitrogen into nitrogenous compounds.
c) Denitrifying bacteria in the soil, decompose nitrogenous compounds to make gaseous nitrogen
Q What is the difference between catabolism and anabolism? Metabolism comprises two opposing processes: catabolism and anabolism. Anabolism is a set of synthesis reactions that
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respiratory system in amphibains
EVOLUTION OF MAN - Mammals evolved from primitive reptiles (therapsida) in Triassic period, about 210 million years ago. Mammals existed as inconspicuous group of small
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While studying evolution, a student comes across a cladogram that includes clades like amphibia, reptilia, aves, and mammalia. What must be the basal clade?
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You are interested in using formic acid (pKa = 3.75) as a buffer for your biochemical Experiment. a) Would it be most useful for creating a buffered solution at pH 2, 4 or 6? Ex
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