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Articles on RNA

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The same amino acid can be encoded by anywhere from one to six different strings of letters in the genetic code. Andrzej Wojcicki/Science Photo Library via Getty Images

Your genetic code has lots of ‘words’ for the same thing – information theory may help explain the redundancies

Many of the amino acids that make up proteins are encoded by genetic material in more than one way. An information theorist explains how principles of nature may account for this variance.
Cells move their genetic material from one place to another in the form of RNA. Christoph Burgstedt/Science Photo Library via Getty Images

How does RNA know where to go in the city of the cell? Using cellular ZIP codes and postal carrier routes

Making sure RNA molecules are in the right place at the right time in a cell is critical to development and normal function. Researchers are figuring out exactly how they get to where they need to go.
The huge number of active coronavirus infections offers plenty of opportunity for mutations to occur and new variants to arise. Eoneren/E+ via Getty Images

Massive numbers of new COVID–19 infections, not vaccines, are the main driver of new coronavirus variants

When the coronavirus copies itself, there is a chance its RNA will mutate. But new variants must jump from one host to another, and the more infections there are, the better chance this will happen.

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