What is the role of DNA in protein biosynthesis?

1) DNA contains information about the primary structure of a protein.
2) DNA is capable of self-reproduction, and therefore, copying information and transmitting it, is a matrix for its synthesis.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.