Nitrate Reduction Flashcards
1
Q
Why would you think the presence of oxygen might suppress the production of nitrate reductase
A
Works better anaerbobically
2
Q
How would this reaction fit into the natural cycle of the element nitrate
A
Nitrate converting to nitrite
3
Q
Why would a Durham tube be useful in this test
A
Shows production of nitrogen gas
4
Q
How does it benefit a bacterium to reduce nitrate
A
A way of getting useful energy terminal electron exceptor
5
Q
Name some products of nitrate reduction
A
N2, NO2, NH3, N2O
6
Q
What are two meanings of a negative nitrate test
A
In aerobic environment, can’t reduce n2
7
Q
What is zinc dust used for
A
Test for nitrate
