4. adenine, cytosine, guanine, and thymine are\na. amino acids\nb. fatty acids\nc. simple sugars\nd…
4. adenine, cytosine, guanine, and thymine are\na. amino acids\nb. fatty acids\nc. simple sugars\nd. nitrogenous bases\ne. alleles
Answer
Brief Explanations:
Adenine, cytosine, guanine, and thymine are components of DNA. They are nitrogen - containing compounds known as nitrogenous bases. Amino acids are building blocks of proteins, fatty acids are part of lipids, simple sugars are carbohydrates, and alleles are alternative forms of a gene.
Answer:
D. nitrogenous bases