which-statement-accurately-describes-the-structural-relationship-between-valine-

Question

Which statement accurately describes the structural relationship between valine, leucine, and isoleucine?

Accepted Answer

Leucine is a loose extension of valine with an extra methylene group.

Answer

Valine and leucine have identical R groups.

Answer

Isoleucine is a symmetrical version of leucine.

Answer

Valine has a cyclic R group similar to proline.