Answer: The bacteria convert free nitrogen into nitrogen-containing compounds, while the decomposers convert nitrogen-containing compounds into free nitrogen. Explanation: Nitrogen is an essential element for all living organisms
Answer:
A
Explanation:
a) organelle, cell, biomolecule
Two of the five bases in nucleic acids are adenine and guanine which are purines.
Catalyst speeds up reactions in living things.
Answer: A. an amino group
Explanation:
Attached to the carbon is nitrogen bonded to 2 hydrogens and that shows that an amino group is present.