Answer:
b. DNA
Explanation:
Biotechnology can be defined as the use of technologies that use living organisms, or products made from them, to create or modify products for specific purposes.
Although human beings have used biotechnology for thousands of years, knowledge in various scientific areas (microbiology, biochemistry, genetics, molecular biology, nanotechnology, medicine, process engineering, etc.), and especially those related to the DNA molecule, have revolutionized the way of manipulating organisms in order to obtain certain products and processes.
