1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
BartSMP [9]
3 years ago
9

You are testing for nitrate reduction. The first test, which involves adding Trommsdorff reagent and dilute H2SO4, produces a bl

ue color. Is the test positive or negative for nitrate reduction?
a. positive
b. negative
Biology
1 answer:
Kamila [148]3 years ago
8 0

Answer:

The correct answer is - option a. positive.

Explanation:

Nittarte reduction is the test for the determinantion of the production of nitrate reductase enzyme through various test. One of the test is trommsdroff test.

This test involves trommsdroff reagent and dilute sulfuric acid that produce blue color if the reduction occurs and reductase present. This color is formed due to the conversion of ammonia to nitrate.

The correct answer is - option a. positive.

You might be interested in
A Ligustrum plant cell is exposed to an aqueous solution having sodium and chloride concentrations higher than the sodium and ch
e-lub [12.9K]
What following ? actually the cell will gain more water by diffusion and will let more sodium chloride ions in because they will move from high concentration to low concentration
6 0
3 years ago
Read 2 more answers
What organelles can only be found in animal cells?
SOVA2 [1]
The lysosomes are the “garbage disposal” of animal cells , the same process takes place in plant cells in its vacuoles
5 0
3 years ago
What are species survival plans meant to do?
Artist 52 [7]

Answer:

The Species Survival Plans are supposed to to help ensure the survival of selected species in zoos and aquariums, most of which are threatened or endangered in the wild.

Explanation:

I hope this helps you!

6 0
3 years ago
What will happend if 50% of the worlds forest dies out?​
melomori [17]

Answer:

not enough clean oxygen being produced for us to breathe, loss of habitat for countless species causing them to possibly go extinct.

8 0
3 years ago
Read 2 more answers
Which structure is mainly responsible for releasing energy from food molecules in cell ?
DochEvi [55]
The answer is 4. Mitochondria
5 0
3 years ago
Other questions:
  • Oily or fatty ingredients that prevent moisture from leaving the skin are:
    13·1 answer
  • 20 POINTS WHO ANSWERS CORRECTLY!!!!! biology
    15·2 answers
  • Environmental factors can cause various changes in ecosystems. Which of the following would most likely have the greatest lastin
    11·2 answers
  • A car travels 87.96 miles in 8.73 hours. what was the speed of the car
    15·1 answer
  • Which of these sentences is true about the virus?
    12·1 answer
  • The cytoskeleton functions as a springy skeleton that gives the cell its
    14·1 answer
  • Contamination of food items by other living organisms is known as:
    7·2 answers
  • In sweet peas blue flowers are the result of a dominant factor (R) and red flowers of its recessive allele (r). Long pollen is d
    6·1 answer
  • In which layer of the Earth does the motion of the convection currents drive plate movement?
    15·2 answers
  • If my dog fell ill i should take him to long walk true or false
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!