What is the name of the nucleotide base substitute for thymine in DNA transcription and what is its purpose?

In RNA, however, a base called uracil (U) replaces thymine (T) as the complementary nucleotide to adenine. This means that during elongation, the presence of adenine in the DNA template strand tells RNA polymerase to attach a uracil in the corresponding area of the growing RNA strand.

Explanation:

mammal

explanation:

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.