Respiration Flashcards
1
Q
NITRATE REDUCTION:
After adding reagents A/B- red means ?
A
positive for nitrate reductase only
2
Q
NITRATE REDUCTION:
After adding reagents A/B and zinc and the color is clear?
A
that means its positive for both nitrate and nitrite
3
Q
NITRATE REDUCTION:
After adding reagents A/B and zinc and the color is red
A
that means negative for both nitrate and nitrite reductases
4
Q
Oxidase Test:
what is a positive test ?
negative test?
A
positive -purple pinkish
5
Q
Oxidase test
tests for what?
A
to test for cytochrome c.
6
Q
Catalase test:
positive reaction?
negative?
A
bubbles
no bubbles
7
Q
catalase test?
reactant, enzyme, product?
A
peroxide
catalase
water and oxygen
8
Q
catalase test
what genera does this test differentiate?
A
staphylococcus from streptococcus
