Living organisms can incorporate ________ into their metabolism.(1 point)
Responses
nitrogen gas
nitrogen gas
nitrites
nitrites
ammonia
ammonia
nitrates
Living organisms can incorporate all of the following into their metabolism:
- nitrogen gas (certain bacteria can fix atmospheric nitrogen into usable forms)
- nitrites
- ammonia
- nitrates
Different organisms have specialized enzymes or processes to utilize these different forms of nitrogen. For instance, nitrogen-fixing bacteria convert nitrogen gas (N2) into ammonia (NH3) which can then be used by plants. Other bacteria convert ammonia into nitrites (NO2-) and then into nitrates (NO3-), which are also taken up by plants. Animals typically get their nitrogen by consuming plants or other animals.