Which of the Following Statements Is Not True Concerning Rod

Which of the following statements is not true concerning rod and cone cells?

A) Both have an outer segment jointed to an inner segment by a short stalk.
B) Both contain a deep purple pigment called rhodopsin.
C) Both have pigment molecules embedded in the membrane of the outer segment.
D) Both contain retinal, a derivative of vitamin A.
E) Both have synaptic vesicles at the synaptic endings of the inner segment.