The nitrogen cycle describes how nitrogen is converted between different forms. Describe the nitrogen cycle process by completing the sentences. 1.Atmospheric Nitrogen (N_2) is converted to NH3 in a process catalyzed by .
2. NH_4+ is to NO_2- and then NO_3- in a process called .
Atmospheric nitrogen is to NH_4+ as a result of .
Nitrate is converted to N_2 in a process called .
Nitrite conversion to NH_4+ is catalyzed by .

1. Nitrogenase

2. converted, nitrification

3. Decayed, ammonification

4. Denitrification

5. nitrite reductase

Explanation:

The nitrogen cycle refers to the series of processes that adds and removes nitrogen from the soil or atmosphere. The series of processes involved in nitrogen cycle are being described in this question as follows:

- Atmospheric Nitrogen (N2) is converted to NH3 (ammonia) in a process catalyzed by the enzyme NITROGENASE in a process called nitrogen-fixation.

- NH4+ (ammonium ion) is converted to NO2- (nitrite) and then NO3- (nitrate) in a process called NITRIFICATION.

- Atmospheric nitrogen (N2) is decomposed or broken down to NH4+ (ammonium ions) as a result of a process called AMMONIFICATION.

- Nitrate is converted to atmospheric nitrogen (N2) in a process called DENITRIFICATION.

- Nitrite conversion to ammonium ion (NH4+) is catalyzed by an enzyme called NITRITE REDUCTASE

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explanation: