16. Polymers and Proteins

ALL the questions are part of a textbook under chapter 16, you can log on for the book under REDSHELF.COM LOG ON WITH – meron_araya@yahoo.com PASSWORD Vanessa2010 ca. 1914 – 1950: Polymers and Proteins – Links in the Chain I. Polymers Define polymer. Define monomer. Wallace Carothers What was his goal at Du Pont? What properties have these molecules that were made into polymers? Hermann Staudinger In what type of materials was Staudinger first interested? II. X-Ray Crystallography Herman Mark Who predicted f X-rays would be diffracted from atomic nuclei? Who developed the equipment and mathematics for such an analysis? What was the puzzle of for polymers? What did he conclude about macromolecules? III. The Stuff of Life What are proteins? What is an amino acid? Frederick Sanger 1 CHM1020 Chapter 16 How did Sanger break up proteins into varying lengths of amino acid chains? IV. Intermolecular Forces What are intramolecular forces? What are intermolecular forces? In terms of forces which is weaker, inter- or intramolecular forces? By how much? V. Enzymes What are enzymes? What is their function? Who developed the “lock and key” model for enzymes? How did Cornforth see enzymes functioning? James Sumner and Richard Martin Willstätter What is a coenzyme? What are hormones? VI. Hormones VII. The Pill Russell Marker Dorothy Mary Crowfoot Hodgkin Wendell Stanley Why wasn’t Stanley’s protein crystals not as pure as first thought? 2 Spring 2017 CHM1020 Chapter 16 VIII. Nucleic Acids What are the monomers of DNA and RNA? What is the structure of DNA James Watson and Francis Crick What is their major contribution? Rosalind Franklin How was she instrumental in Watson and Crick’s success? IX. Origins of Life What did Stanley Miller accomplish? Spring 2017