Within a DNA molecule, which two nitrogen bases are correctly paired with one another?
A. cytosine (C) and uracil (U)
B. adenine (A) and thymine (T)
C. adenine (A) and guanine (G)
D. cytosine (C) and thymine (T)

Respuesta :

The answer is B. adenine (A) and thymine (T)

a is the correct answer