<span>The medical illustrations contained in this online atlas are copyrighted © 1997 by the University of Washington. They may not be utilized, reproduced, stored, or transmitted in any form or by any means, electronic or mechanical, or by any information storage or retrieval system, without permission in writing from the University of Washington. </span>
Primary structure, which is simply the sequence of amino acids in a polypeptide molecule.
Answer:
A. are all elements the rest are combinations of elements
A gas. This is because none polar solvents contain binds between atoms with similar electronegativities, some examples are carbon and hydrogen
