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
Only about 10 percent of the energy in an organism is passed on to the next level of a food chain. Look at this food chain: gras
Sidana [21]
100 because it’s had to give energy to the rabbit to get eaten by the hawk
4 0
3 years ago
How did a rock of the great plains get to the rocky mountains?
V125BC [204]

Answer:

Hi, so the Great Plains are made of sedimentary rock and were subducted and melted to magma which cooled to igneous rock, was uplifted and then formed the Rocky Mountains.

Explanation:

Basically it melted then cooled into igneous rock then was lifted and formed the rocky mountains!

-Hailey :)

4 0
2 years ago
The ocean has many different ecosystems, or communities of living organisms and their environment. Life in the ocean is more div
RUDIKE [14]
I might not be right but I think it’s B
5 0
3 years ago
Read 2 more answers
What are the three types of potential energy?
NeX [460]
Gravitational potential energy.
Chemical energy.
Nuclear energy.
7 0
2 years ago
Why is the cell membrane so important for maintaining homeostasis
algol13

Cellular homeostasis involves maintaining a balance of several factors that make a cell healthy and the cell membrane lets it do just that.

The cell membrane is a lipid bilayer that prevents that passage of water and ions. This lets cells to maintain a higher concentration of sodium ions out the outside of the cell.

4 0
3 years ago
Other questions:
  • Which of the following decreased carbon dioxide levels in the atmosphere?
    9·1 answer
  • A glass of water is the same temperature as the air around it. Can heating occur? Explain your answer.
    10·1 answer
  • Which cell organelle underwent a change that caused this plant to wilt and droop? Which cell organelle helps the plant maintain
    7·2 answers
  • Suppose a new mutation that improves metabolic efficiency is lost from a small population of mammals living in a region of seaso
    14·1 answer
  • Use the drop-down menus and what you know about index fossils to choose the correct answers.
    11·2 answers
  • Rip currents are caused by _____.
    10·2 answers
  • The most significant characteristic of sexual reproduction is _____.
    6·2 answers
  • What is copied each time a cell divides?
    12·1 answer
  • The________ are rules that apply to all living things​
    11·1 answer
  • Which method is used to obtain petrol from petroleum?
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!