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
Alex73 [517]
3 years ago
8

Why do we add isopropyl alcohol to the tube of DNA, and what is the result?

Biology
1 answer:
Vilka [71]3 years ago
7 0

Answer:

To achieve precipitation of the DNA.

Explanation:

Isopropyl alcohol makes the DNA sediment. The DNA, once out of the solution, becomes visible, as it clumps.

The result of adding isopropyl alcohol is the precipitation or sedimentation of DNA when DNA becomes like a visible thread with the help of alcohol and salt. The precipitation of DNA is important because it removes the dirt from DNA.

You might be interested in
In 1953, Stanley Miller and Harold Urey built a model of Earth's early
ExtremeBDS [4]

Answer: C. Miller and Urey showed that inorganic compounds could combine  to form the building blocks of living cells.

Explanation:

The Miller and Urey were the two scientists who created the atmospheric conditions that were expected to be present on primitive earth. They demonstrated that several organic compounds have been formed spontaneously from the inorganic compounds like water, ammonia, methane and others.

The exposure of mixture of inorganic compounds by the lightening lead to the formation of organic molecules like amino acids which are the building blocks of life. This was similar to the penetration of earth atmosphere by UV radiation producing the organic compounds from inorganic molecules.

8 0
2 years ago
Ming and his friends were playing baseball. Ming hit the ball into right field and then ran toward first base. The player in rig
bulgar [2K]

Answer:

i think is a but im not sure but i hope it helps.

Explanation:

During a baseball game, a player’s ball hit into the outfield is modeled by the equation h = –16t2 + 65t. A bird flying across the field follows the path modeled by the equation h = 8t + 20. Let t be the time since the ball is hit and h be the height.

5 0
3 years ago
Read 2 more answers
Which of the following situations is most likely to involve the action of the parasympathetic nervous system?
stiv31 [10]

Out of the following given choices

a) Brooke’s finger accidentally grazes the hot iron; she immediately yanks her hand away.

<span> b) After a satisfying evening meal, Callum relaxes in front of the television. <span> <span>c) Walking toward her car is a deserted parking garage one night, Danica is surprised by a strange man appearing from nowhere.</span> <span> <span>d) Emmeline feels queasy as she approaches the front of the class to give a speech; suddenly, her throat goes dry.</span>  
<span>
The answer is B. The parasympathetic nervous system is part of the autonomic nervous system that regulates the unconscious actions of the body.  The system is regarded as significant in the ‘rest-and-digest’ activity and also the ‘breed-and-feed’. </span></span></span></span>
5 0
3 years ago
What is a pure substance like carbon .?
kogti [31]
Iron, water, sugar, salt, nitrogen gas, and oxygen gas
6 0
3 years ago
Why only female mosquito is responsible for the transfer of disease?​
Sphinxa [80]

Explanation:

Issun Sengeki... Messatsu!

Alike of what the other guy said, only the female mosquito sucks blood.

Being that this is true, the mosquito(s) could have been in any environment. They could carry diseases and illnesses. On top of that, they can carry microscopic organism, unlike diseases, that can cause infections.

5 0
3 years ago
Other questions:
  • Why penguins have dark plumage.​
    13·1 answer
  • List three factors that could affect the reproductive potential of these maple trees
    10·1 answer
  • Three long beeps during the post sequence on an intel bios are an indication of what type of issue? motherboard problem
    15·1 answer
  • PLEASE HELP URGENT!!!!
    7·2 answers
  • How is carbon stored in the biosphere?
    12·1 answer
  • Monadelphous define​
    8·1 answer
  • What is the greenhouse effect
    15·2 answers
  • At first glance, it might seem counterintuitive with respect to energy use that many sharks must swim continuously or they will
    11·2 answers
  • Seismic waves do not travel along the Earth’s surface. T or F?
    14·2 answers
  • What is the correct answer?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!