The answer is D. competition
Answer:
Nucleotides are the subunits of DNA. The four nucleotides are adenine, cytosine, guanine and thymine. Each of the four bases has three components, a phosphate group, a deoxyribose sugar and a nitrogen-containing base.
Answer:
nucleus is a membrane-bound organelle that contains genetic material (DNA) of eukaryotic organisms
Explanation: