Question

There are 20 different amino acids in nature. Explain how this may result into a wide variety of protein structures in the body

Answer 1

Answer:

From alanine (A) to tyrosine (Y), 20 ‘proteinogenic’ amino acids, each abbreviated to a different initial, make up the alphabet soup of life. They are the building blocks for proteins, biology’s workhorse macromolecules that provide structure and function in all organisms. But why amino acids? Bernd Moosmann, an expert in redox medicine at the Johannes Gutenberg University of Mainz in Germany suggests the first amino acids were used to anchor membranes to RNA structures: ‘You can see this even in modern life: DNA and RNA in bacteria and mitochondria are always attached from the inside to a membrane.’ Most researcher think this would have been occurring at least 4 billion years ago in an ‘RNA world’, where RNA molecules were the first self-replicators, as well as performing the catalytic role that proteins play today.

Explanation:

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