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nitrogen cycle > Chapter 1 > Flashcards

Chapter 1 Flashcards

0
Q

Chemical formula of Nitrate

A

NO3-

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1
Q

Chemical formula of Nitrite

A

NO2-

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2
Q

genus of Bacteria that oxidizes NH3 to nitrites

A

Nitrosomonas

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3
Q

genus of bacteria that oxidizes nitrite to nitrate

A

Nitrobacter

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4
Q

Anammox is an amalgamation if

A

Anaerobic ammonia oxidation

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5
Q

Chemical formula of Anammox

A

NH4+ + NO2- –> N2 + 2H2O

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6
Q

Chemical formula of Ammonium

A

NH4+

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7
Q

Bond between N2

A

Triple

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8
Q

Chemical formula of Urea

A

(NH2)2CO

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9
Q

N2 -> NH4+

A

Nitrogen fixation

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10
Q

Genus of bacteria capable of nitrogen fixation

A

Rhizobium

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11
Q

NH4+ -> Organic nitrogen

A

Nitrogen uptake

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12
Q

Organic nitrogen -> NH4+

A

Mineralization

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13
Q

Chemical formula of ammonium nitrification

A

NH4+ + O -> NO3- + H2O

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14
Q

Nitrification requires

A

Oxygen

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15
Q

Form of nitrogen not held by soil particles

A

Nitrate and nitrite

16
Q

Form of nitrogen held by soil particles

A

Ammonium

17
Q

The process by which oxidized forms of nitrogen such as nitrate (NO3-) and nitrite (NO2-) are converted to dinitrogen (N2) and, to a lesser extent, nitrous oxide gas (NO2)

A

Denitrification

18
Q

What kind of process is Denitrification

A

Anaerobic

19
Q

Denitrification is done by

A

Bacteria

20
Q

Denitrification of

NO3- produces

A

NO2-

21
Q

Denitrification of

NO2- produces

A

NO

22
Q

Denitrification of

NO produces

A

N2O

23
Q

Denitrification of

N2O produces

A

N2

24
Q

Chemical formula of Nitric oxide

A

NO

25
Q

Chemical formula of nitrous oxide

A

N2O

26
Q

Removing nitrogen from ecosystem

A

Denitrification

27
Q

Oxidation means

A

Electrons lost

28
Q

Reduction means

A

Electron gained

29
Q

Nitrogen reduction is

A

Denitrification

30
Q

Nitrogen oxidation is

A

Nitrification

31
Q

Nitrification is oxidation or reduction

A

Oxidation

nitrogen cycle (1 decks)

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