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But what is DNA? Where is it found? What makes it so special? How does it work?

DNA Nutrition Test

In this article, we will look deep into the structure of DNA and explain how it makes itself and how it determines all of your traits. First, let's look at how DNA was discovered. Nucleic acids were originally discovered in by Friedrich Meischer, a Swiss biologist, who isolated DNA from pus cells on bandages. Although Meischer suspected that nucleic acids might contain genetic information, he could not confirm it.

Nuclear DNA - an overview | ScienceDirect Topics

Functionally, it's organized into genes, of which are pieces of DNA, which lead to observable traits. So the central dogma, so-called of molecular biology, is that genes, which are made of DNA, are made into messenger RNAs, which are then made into proteins.

Kendrick Lamar - DNA.

But for the most part, the observable traits of eye color or height or one thing or another of individuals come from individual proteins. Sometimes, we're learning in the last few years, actually, they come from RNAs themselves without being made into proteins--things like micro RNAs. But those still are relatively the exception for accounting for traits.


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Deoxyribonucleic Acid DNA. Christopher P. Facts Matter. Start Your Free Trial Today.

Learn More in these related Britannica articles:. DNA is a polymer of the four nucleotides A, C, G, and T, which are joined through a backbone of alternating phosphate and deoxyribose sugar residues.

These nitrogen-containing bases occur in complementary pairs as determined by their ability to form hydrogen bonds…. During the early 19th century, it became widely accepted that all living organisms are composed of cells arising only from the growth and division of other cells. The improvement of the microscope then led to an era during which many biologists…. History at your fingertips. Sign up here to see what happened On This Day , every day in your inbox!

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