During DNA replication, what enzyme adds base pairs together? O DNA polymerase
O DNA helicase
O lactase

DNA polymerase.

Explanation:

Since DNA polymerase can only add new nucleotides at the end of a backbone, a primer sequence is inserted with complementary RNA nucleotides to provide a starting point.

answer; (phospholipid);

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.