SB9l The Nitrogen Cycle Flashcards
1
Q
why is nitrogen essential?
A
used to form amino acids which form proteins
2
Q
why can nitrogen not be used directly by plant?
A
nitrogen is unreactive so it cannot be used directly by plants to make protein
3
Q
what plants use to make amino acids?
A
nitrates
4
Q
nitrogen cycle?
A
sequence of events that explains how nitrogen is recycled
5
Q
A
