Campbell Biology (11th Edition)

Published by Pearson
ISBN 10: 0-13409-341-0
ISBN 13: 978-0-13409-341-3

Chapter 5 - 5.4 - Concept Check - Page 83: 1


Secondary structures are held together by hydrogen bonds along the polypeptide backbone. Tertiary structures are held together by the interactions of R groups from the various amino acids, both covalent and non-covalent interactions.

Work Step by Step

See Fig. 5.18, and you can clearly see the R-group interactions visualized for secondary structure, and from that you can extrapolate that the same would be true for tertiary structure as well.
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