Three-letter sets, or codons, of nucleic acids "code" for individual amino acids. Amino acids form proteins.
Isn’t the answer to C when one goes over the top of another?
Yes I believe the answer is D it is th only logical one.
During a controlled experiment, a scientist will isolate and test (D) a single variable. A conclusion, nor a mass of information can be isolated or tested. A control group is the group that would receive a placebo, so testing that would be futile.
