Denitrification flashcard sets

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1-2 of 2Denitrification flashcard sets
# Title Terms Date
1Chapter 3, The Biosphereby elzbthgndhrt32 termsSeptember 29, 2007
23-3 Cycles of Matterby elzbthgndhrt9 termsSeptember 29, 2007
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denitrification definitions
# Definition Sets
1conversion of nitrates into nitrogen gas54 sets
2changing nitrates into nitrogen gas14 sets
3conversion of nitrates in the soil by bacteria into nitrogen gas12 sets
4process in which fixed nitrogen compounds are converted back into nitrogen gas and returned to the atmosphere7 sets
5bacteria convert ammonia back into n7 sets
6the liberation of nitrogen from nitrogen-containing compounds by bacteria in the soil6 sets
7the conversion of nitrate to nitrogen gas4 sets
8the final step in the nitrogen cycle, during which nitrogen gas is returned to the atmosphere4 sets
9the process in which nitrogen is returned to the atmosphere3 sets
10the process that releases nitrogen from soil back into the atmosphere3 sets
11when nitrogen is returned to the atmosphere2 sets
12conversion of nitrates into nitrogen gas.2 sets
13a process in which energy is obtained by bacteria by converting nitrates into nitrogen gas, and releasing it into the atmosphere2 sets
14reduction of nitrates and nitrites to nitrogen by microorganisms2 sets
15other soil bacteria convert nitrates into nitrogen gas2 sets
16some soil bacteria convert nitrates into nitrogen gas2 sets
17soil bacteria convert nitrates into nitrogen gas2 sets
18process by which certain bacteria convert nitrogen from useable forms back to n2 thus completing the nitrogen cycle2 sets
19the conversion of nitrate to nitrous oxide and nitrogen gas.2 sets
20conversion of nitrates and nitrites into nitrogen gas2 sets
21the liberation of nitrogen from nitrogen containing compounds by bacteria in the soil2 sets
22the process that releases nitrogen into the atmosphere1 set
23how nitrogen is returned to the atmosphere1 set
24the conversiosn of nitrates into nitrogen gas1 set
25when soils become anaerobic, the soil bacteria use up the oxygen in nitrates and release atmospheric nitrogen back into the air1 set
26anaerobic conditions; denitrifying bacteria use no3- instead of o2, releasing n21 set
27nitrogen leaves soil as bacetria in waterlogged soil convert ammonia an ammonium ions back into nitrite and nitrate ions and into nitrogen gas and nitrous oxide ga which are realeased to begin nitrogen cycle again1 set
28the biological reduction of nitrate to nitrogen gas by denitrifying bacteria in soil.1 set
29the conversion by bacteria of fixed nitrogen compounds to nitrogen gas1 set
30a process in which some soil bacteria convert fixed nitrogen compounds back into nitrogen gas, which returns it to the atmosphere1 set
31denitrifying bacteria convert nitrate or nitrite to gaseous nitrogen or to nitrogen oxide1 set
32converting nitrates (no3) into nitrogen gas (n2)1 set
33the conversion of nitrate to molecular nitrogen by the action of bacteria - an important step in the nitrogen cycle.1 set
34is the reduction of nitrate to nitric oxide1 set
35process by which no3- is converted back to n21 set
36bacteria convert nitrate back into ammonia and nitrate back into n gas1 set
37process in which bacteria in the soil break down nitrogen compounds into free nitrogen.1 set
38convert nitrates into nitrogen gas1 set
39process where nitrate is converted into nitrogen gas1 set
40converts nitrates into nitrogen gas and releases them back into the atmosphere1 set