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What is DNA and how does it work?

Like the one ring of power in Tolkien's "Lord of the Rings," deoxyribonucleic acid (DNA) is the master molecule of every cell. It contains vital information that gets passed on to each successive generation. It coordinates the making of itself as well as other molecules (proteins). If it is changed slightly, serious consequences may result.

What does DNA do exactly?

What does DNA do? DNA contains the instructions needed for an organism to develop, survive and reproduce. To carry out these functions, DNA sequences must be converted into messages that can be used to produce proteins, which are the complex molecules that do most of the work in our bodies.

What is DNA also called?

The DNA is called a polynucleotide because the DNA molecule is composed of nucleotides – deoxyadenylate (A) deoxyguanylate (G) deoxycytidylate (C) and deoxythymidylate (T), which are combined to create long chains called a polynucleotide. As per the DNA structure, the DNA consists of two chains of the polynucleotides.

What can DNA be used for?

DNA is generally used to solve crimes in one of two ways. In cases where a suspect is identified, a sample of that person’s DNA can be compared to evidence from the crime scene. Also, in cases where a suspect has not yet been identified, biological evidence from the crime scene can be analyzed and compared to offender profiles in DNA ...

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