Cytosine
(C) - both;
Thymine (T) – DNA;
Uracil (U) - RNA.
Adenine
(A) - Both
Guanine
(G) - Both
These are the letters that we use to represent the nitrogenous base pairs that make up and thus define a nucleotide
Answer:
3 should be right im sure i might be right leave a review if wrong and how it was have a nice day
Explanation:
It originally cme form the rocks
The answer is b because it's morphological
