Do I need drivers to use a full-sized Apple keyboard with my MacBook Pro?
Mac OS X home and end keys do not function the same way as they do on other systems.


  On Mac, the Home and End keys go to the top and bottom of a document, instead of to the beginning or end of a line. 


Check out this Lifehacker article which shows how to remap the functionality of the home and end keys to make them perform like they do on other systems.