What is a protein? Cell biology

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When the first amino acids came to Earth from space inside chunks of ice about five billion years ago, the ice melted on the hot Earth and turned to water, and the amino acids were still floating around in those early oceans. Once in a while, some of those amino acids bumped into each other and joined together to form bigger molecules. Some of these bigger molecules were ribonucleic acids, and some were proteins.

Experiments with protein
Proteins in your food

Bibliography and further reading about proteins:

Parts of a Cell
Biology
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By | 2017-05-29T00:53:03+00:00 May 29th, 2017|Biology|0 Comments
Cite this page: Carr, K.E. What is a protein? Cell biology. Quatr.us Study Guides, May 29, 2017. Web. November 20, 2017.

About the Author:

Karen Carr
Karen Carr is Associate Professor Emerita, Department of History, Portland State University. She holds a doctorate in Classical Art and Archaeology from the University of Michigan. Follow her on Instagram, Pinterest, or Twitter, or buy her book, Vandals to Visigoths.

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