Which of the following statement is not true?     In a secondary structure the consecutive residues have phi and psi values that are quite different.     The Ramachandran diagram defines the restrictions of polypeptide backbone conformation.      Two α helices with hydrophobic side chains repeated in a regular pattern can form dimeric structures in water.       Greek key motifs occur frequently in antiparallel β structures.     Both α helices and β sheets can be amphipathic.

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
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Which of the following statement is not true?

   

In a secondary structure the consecutive residues have phi and psi values that are quite different.

   

The Ramachandran diagram defines the restrictions of polypeptide backbone conformation. 

   

Two α helices with hydrophobic side chains repeated in a regular pattern can form dimeric structures in water.  

   

Greek key motifs occur frequently in antiparallel β structures.

   

Both α helices and β sheets can be amphipathic.

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