Respuesta :

Well I guess that through all these 3 main elements we can identify the origins of someone and their identity 
I mean I think that what is in common amongst these three is that they are identical to the person

Answer: Sugar molecule

Explanation:

The bio molecules like RNA, DNA and starch are three important components that contains sugar in them.

The RNA is the genetic material found in virus. It is also found in the eukaryotes which helps in protein synthesis. It contains ribose sugar.

DNA is the genetic material found in the eukaryotes which helps in carrying the information from one generation to another. It is made of ribose sugar.

The starch is also a form of sugar which is stored in plants as a reserve source of energy.