ex 13: ammonification Flashcards
1
Q
how does nitrogen exist in organisms
A
nucleic acid, nitrogen containing co-enzymes and proteins
2
Q
how is nitrogen in proteins returned to the soil
A
as NH3 thorugh decompositions
3
Q
steps of ammonification
A
proteins to ammonia
1) extracelliular hydrolytic enzymes such as proteases which make polypetides from proteins
polypep-> pep -> amino acids which are deaminated into ammonia
4
Q
urea to nh4 + co2
A
5
Q
what is the ammiia used for
A
lost in air, make proteins, chemoautotrophic organisms use for energy
6
Q
dark brown means
A
LOTS OF AMMONIA
7
Q
bacillus cereus and proteus vulagaris are ammonificationers
A
yes
8
Q
why can bromomethyl blue also be used to detect ammonia
A
because ammonia creates a basic enfironvment and bromo is used turned pbue in this environemnt
9
Q
A
