Cytochrome C Is a Molecule Used in the Electron Transport

Cytochrome c is a molecule used in the electron transport chain of many organisms. Data regarding differences in the amino acid sequence of cytochrome c show that the sequence in a moth differs from a turtle by 15 about amino acids, while a moth differs from a human by about 30 amino acids. Therefore,

A) this is sufficient evidence to prove the moth is related more to the human than the turtle.
B) turtles evolved before moths.
C) there is no evolutionary relationship between moths, snakes, and humans.
D) in addition to anatomical similarities and fossil data, this provides additional evidence for determining the relatedness between these organisms.
E) biochemical information is not relevant to the evolution of organisms.