Discuss the implications related to research, health, and life span in terms of one of the structural elements.      

Proper English and reference please. Original work

1).  Name three essential structural elements of a functional eukaryotic chromosome and describe their functions. Discuss the implications related to research, health, and life span in terms of one of the structural elements.

2). Describe the difference among replication, transcription, and translation for both DNA and RNA.