Nitrogen Cycle simplified Simplified steps to the nitrogen cycle 1.5 / 5 based on 5 ratings ? BiologyBiological molecules, organic chemistry and biochemistryA2/A-levelAQA Created by: SarahCreated on: 10-09-12 12:53 After nitrifying bacteria convert ammonia to nitrates and nitrites Plants take up nitrate from the soil 1 of 9 both when a primary consumer eats a plant and when a Secondary consumer eats a primary consumer Steps 5+6 happen when... 2 of 9 After nitrates are absorbed into the plants roots via active transport Nitrates are used to produce plant proteins and other nitrogen-containing compounds 3 of 9 After Nitrates are used to produce plant proteins and other nitrogen-containing compounds Primary consumers feed on plants 4 of 9 After primary consumers feed on plants Proteins in primary consumers are digested to form amino acids 5 of 9 After amino acids are absorbed from digestive system and used to make proteins in the tissues of primary consumers Organisms release waste or die, these are both digested by saprophytes which release ammonia in a process called ammonification 6 of 9 After organisms release waste or die, these are both digested by saprophytes which release ammonia in a process called ammonification Nitrifying bacteria convert ammonia to nitrites and nitrates 7 of 9 After plants take up nitrate from the soil Nitrate is absorbed into the plants roots via active transport 8 of 9 After proteins in primary consumers are digested to form amino acids Amino acids are absorbed from digestive system and used to make proteins in the tissues of primary consumers 9 of 9
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