Which purine base is found in RNA?
Thymine
Uracil
Cytosine
Guanine
Statement 1: The four nitrogen bases in a DNA molecule are guanine, thymine adenine, cytosine.
Statement 2: Where adenine and thymine are purines and guanine and cytosine are pyrimidines.
Statement 1: There are four kinds of nitrogen bases in DNA.
Statement 2: They are adenine, uracil, guanine and cytosine.