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
Nostrana [21]
3 years ago
15

DNA samples should be stored in an airtight containers to prevent contamination true or false

Biology
1 answer:
Aleksandr-060686 [28]3 years ago
7 0

Answer: True

Explanation:

DNA is a biological evidence. It is a heredity material which is present in all organisms on earth. The DNA in humans can be taken as sample from nails, bones, blood, skin, hair and other sources.

The DNA samples can be taken so as to establish the identity of the culprit, victim or any one which is associated with crime.

The DNA evidence has applicability as a potent evidence in the court of law. Thus utmost care should be taken to preserve it's integrity until it is analysed and presented in the court of law.

Thus the DNA evidence should be collected and preserved in airtight containers so as to prevent the entry of airborne pathogens like bacteria, virus these can contaminate the sample evidence and can make the evidence not of any use.

 

You might be interested in
Which statements about particle movement in the image to the right are true? Check all that apply
Lina20 [59]
B) It requires energy
D) It involves the help of carrier proteins. 
3 0
3 years ago
In algae, cyanobacteria, and plants, chlorophyll a absorbs all colors of light except for
kakasveta [241]
B. Green


Chlorophyll is found in and around the photosystems embedded in the thylakoid membrane of the chloroplasts.

The chloroplasts are organelles found in eukaryotic algae. The chloroplasts in eukaryotic celss are contained in the cytoplasm together with other organelles.

<span>Since the chlorophyll is insided the chloroplast which is inside the cytoplasm, it is safe to say that the chlorophyll of the green algae is spread throughout the cytoplasm of its cells.</span>
4 0
4 years ago
Read 2 more answers
Why is very little sodium (200 mg) required in the diet for a sedentary individual?
My name is Ann [436]
Because their jobs required them to set all day.
7 0
3 years ago
What percent of the earth is covered by water?
laila [671]
Ur answer is 70 %, please make this the brainliest
4 0
3 years ago
Read 2 more answers
DNA is made up of pairs of nitrogenous bases. Which of the following
Leokris [45]

I don't know the real answer because you didn't attach the choices, but Adenine (A) is always paired with Thymine(T) and Guanine (G) is always paired with Cytosine (C).

8 0
3 years ago
Other questions:
  • explain why biologists say that a cell is alive, but none of the individual molecules inside the cell are alive.
    6·2 answers
  • Someone help please urgent
    10·1 answer
  • 10. Which type of plant tissue is an active site of cell division?
    14·1 answer
  • When inhaled, crystalline silica can cause scar tissue to form on what organs?
    13·2 answers
  • Diastole is the ________ phase of the cardiac cycle.
    5·1 answer
  • You are the president of an overpopulated country. Which of the following food chains would be most efficient in feeding in popu
    9·2 answers
  • 5. The theory of common descent states that all modern organisms
    10·1 answer
  • 6. After a person eats a large meal, glucose begins to move into the bloodstream and the
    13·1 answer
  • Without(blank)
    6·2 answers
  • The _____ of the brain is more active during visual imagery encoding. inner left temporal lobe lower left frontal lobe upper lef
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!