Question

what is dna?
deoxyribonucleic acid (dna) is a molecule that encodes the genetic instructions used in the development and functioning of all known living organisms and many viruses
dynamic nucleic atoms (dna) that make up all essential life
both of the above

Explanation:

DNA stands for Deoxyribonucleic acid. It is a molecule that carries genetic information. The second option has an incorrect expansion (Dynamic Nucleic Atoms is wrong). The first option correctly defines DNA as encoding genetic instructions for living organisms and many viruses.

Answer:

Deoxyribonucleic acid (DNA) is a molecule that encodes the genetic instructions used in the development and functioning of all known living organisms and many viruses.