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Misha Larkins [42]
4 years ago
15

Which process could a forensic scientist use to analyze a DNA sample from a crime scene to identify a criminal?

Biology
2 answers:
nevsk [136]4 years ago
7 0
<span>DNA fingerprinting DNA or deoxyribo nucleic acid is the genetic material in all humans. In DNA fingerprint a unique array of DNA fragments is examined by using many tandem-repeat sites, as each person carries a unique combination of repeat numbers. The tandem-repeat sites can be detected by 'restriction fragment length polymorphism or RFLPs' where DNA fragments of different sizes are cleaved by restriction enzymes. Thus DNA fingerprinting can be used to identify criminals from the DNA in blood or small amounts of tissue left at a crime scene.</span>
erastova [34]4 years ago
4 0

Answer:

DNA finger printing

Explanation:

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A cancer patient expresses emotional distress to his nurse prior to treatment. the nurse tells the patient that she understands
Komok [63]
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3 years ago
If the US modifies techniques for timber management, it is expected that US forests will
gtnhenbr [62]

Incomplete question. The full question read;

If the US modifies techniques for timber management, it is expected that US forests will

a. not be able to meet long term timber needs

b. be able to meet long term timber needs

c. result in deforestation

d. provide increasingly cheaper timber

Answer:

<u>b. be able to meet long term timber needs</u>

Explanation:

<em>Remember</em>, the emphasis here is on the modification of the present techniques for timber management in order to boost productivity.

Hence, we can conclude that since there would be an improvement in production efficiency,<em> the US would be able to meet its long-term timber needs.</em>

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3 years ago
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Which of these accurately describes a scientific theory?
lisabon 2012 [21]

<u>Answer:</u>

B. Theories are broad explanations based on many observations and experiment

This statement accurately describes a scientific theory

<u>Explanation:</u>

Scientific theory can be defined as hypothesis which have been supported through research which is using the scientific method. Hypothesis is simply educated guess. It is the beginning stage of the scientific theory

There are many characteristic of scientific theory. These characteristics are testable, replicable, stable, simple and consistent. A theory explains the findings made throughout the review process. A scientific theory may not be the scientific test's final outcome; Scientific theories are interpretation of scientists. It can be changed or sometimes also rejected.  

5 0
3 years ago
When many different species live in an environment, the environment has high (blank) . If the number of predators increase in an
Molodets [167]

Answer:

When many different species live in an environment, the environment has high<em> biodiversity</em>. If the number of predators increase in an area, the immediate effect will be a<em> unstable ecosystem (</em><em>decrease in the population of prey</em>.)

Explanation:

In ecology, biodiversity can be described as the different plants and animals which live in a habitat. If a habitat has many kind of different species, then the habitat or ecosystem will have a wide biodiversity. The wider the biodiversity, the more stable an ecosystem will be.

If the number of predators will increase then the ecosystem will become unstable. There will be more competition for resources.

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4 years ago
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Help!!!!!
WINSTONCH [101]
I hope this helps! (i just googled it)

A bactericidal antibiotic, such as penicillin, kills the bacteria. These drugs usually interfere with either the formation of the bacterial cell wall or its cell contents. A bacteriostatic stops bacteria from multiplying.
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