Concepts of Biology 1st Edition by Samantha Fowler, Rebecca Roush, James Wise,OpenStax

تمرين 1

Figure 20.12 Which of the following statements about the nitrogen cycle is false?
a. Ammonification converts organic nitrogenous matter from living organisms into ammonium (NH 4 + ).
b. Denitrification by bacteria converts nitrates (NO 3 - ) to nitrogen gas (N 2 ).
c. Nitrification by bacteria converts nitrates (NO 3 - ) to nitrites (NO 2 - ).
d. Nitrogen fixing bacteria convert nitrogen gas (N 2 ) into organic compounds.