C
As the cap helps it to move around while the tail prevents enzymes from eating the RNA
Fossils are found of giraffes with short necks.
Lamarck believed the giraffes stretched their necks and passed it to their offspring
necks grew longer due to stretching.
giraffes need long necks for food and evolution provided it to them
Your answer would most likely be chlorophyll. :)
The process by which unspecialized cells become specialized into one of many different types of cells, such as neurons or epithelial cells.