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nikitadnepr [17]
2 years ago
14

Pieces of DNA left at a crime scene can be multiplied by using

Biology
1 answer:
Sloan [31]2 years ago
6 0


The answer is A .

PCR stands for Polymerase Chain Reaction. It is a method to analyze a short sequence of DNA or RNA and is used to reproduce (amplify) selected sections of the nucleic acid.  Untold numbers of copies can be made of the DNA in just a few hours.

 PCR amplifies the regions of DNA that it targets and can therefore be used to analyze extremely small amounts of sample. This is often critical for forensic analysis, when only a trace amount of DNA is available as evidence.



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(WILL MARK BRAINLIEST AND THANK YOU!) **EXTRA POINTS**
liberstina [14]

Answer:

This structure provides support and protection for plant cells = Cell Wall

This is a large, central fluid-filled structure that provides turgidity = Vacuole

A thin semipermeable barrier around the cell which regulates what enters and leaves the cell = Cell membrane

The control center of the cell = Nucleus

It is often described as the cells Power Plant = Mitochondria

This is used by plant cells for photosynthesis = Chloroplast

Hope this helps :)

Plz mark Brainliest :D

Explanation:

The giant blue thing is the vacuole

The thin yellow line is the cell membrane

The yellow and orange ball is the nucleus

The light green thing with zig zag lines is the mitochondria

The dark green thing inside the cell is the chloroplast

The thing outside the cell is the cell wall its green

6 0
2 years ago
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Which pedigree symbol is used to represent a female carrier of a recessive X-linked trait?
xeze [42]
The answer is a half-filled circle. 

In the pedigree charts, squares present males and circles present females. If a female is healthy, the circle is empty (white). If a female is affected with a trait, the circle is filled-in (usually black). However, if a female is a carrier of a disease, which means that one allele is dominant and one is recessive, then the circle is half-filled. 
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2 years ago
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2. In 2012 some Harvard graduates were asked a simple question: Where does a plant get
Crank

Answer:

The mass of a tree is primarily carbon.

Explanation:

The carbon comes from carbon dioxide used during photosynthesis.

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C. To break down the remains of other living things.

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Classify the following microorganisms under Algae, Protozoa, and Fungi.
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Yeast and penicillin are fungi
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