TLS Online TPP Program

#Question id: 693


In an alpha helix, the R groups on the amino acid residues:

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. alternate between the outside and the inside of the helix.

  2. are found on the outside of the helix spiral.

  3. cause only right-handed helices to form.

  4. generate the hydrogen bonds that form the helix.