With no hand of its own, the amino acid simply does not know which way to turn.

And how those amino acids then come together to form life.

But 61 of them are already used for the 20 natural amino acids.

The human body needs many amino acids to break down food.

The first 12 amino acids are the most important for activity.

The issue of amino acids was not raised in their original research.

The first few amino acids were discovered in the early 19th century.

Most plants are able to produce all the amino acids they need.

Typically, 5 to 18 amino acids were changed at any time.

Both of them have five amino acids in their structure; the first four are similar, but the last one is different.