I think the answer you’re looking for is
D. Carbon, hydrogen, and oxygen
-I hope this helps! Enjoy the rest of your day
Answer:
Gene expression is the process by which the instructions in our DNA are converted into a functional product, such as a protein. When the information stored in our DNA? is converted into instructions for making proteins? or other molecules, it is called gene expression
it's the structure of the nucleotides
the basic building unit of nucleic acid
Pressure would be my best guess, since no choices were given.