This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: miscellaneous, Subject name: Biochemistry
Cellular bearings of hereditary diseases seen in 
Select and explain. 
A. DNA, B. Ribosome, C. RNA, D. Membrane
A: DNA
Answer: A: DNA 
Explanation: Deoxyribonucleic acid (DNA) is a nucleic acid that contains the genetic instructions for the development and function of living things. All known cellular life and some viruses contain DNA. The main role of DNA in the cell is the long-term storage of information.