lecture 11 Flashcards
1
Q
N - deficient symptoms
A
- stunting
- yellowing
- older tissue first
2
Q
2 reasons nitrogen is an essential element
A
forms linkage between amino acids via peptide bonds
fundamental to chemical structure of DNA and RNA
3
Q
what is assimilation?
A
incorporation of inorganic nutrients into organic substances
4
Q
what is NO3- reduced to prior to assimilation?
A
NH4+
5
Q
what does GS/GOGAT do?
A
assimilates inorganic N into organic molecules
6
Q
nitrogen cycle 3 steps
A
uptake -> assimilation -> utilization