What two substances make the backbone of the DNA molecule?

sugar and nitrogen base

adenine and thymine

sugar and phosphate

thymine and phosphate

C. Sugar and phosphate

Explanation:

It has an alternating chemical phosphate and sugar backbone, making the 'sides' of the ladder. (Deoxyribose is the name of the sugar found in the backbone of DNA.)

Please tell me if I'm wrong, maybe brainliest?

i'm not good at running

one thousand and one nights, also known as arabian nights is a collection of stories whose basic structure is that of embedded narrative. this technique refers to a main story which works as the common frame - or framing narrative - for the other stories, and then this series of stories which are connected to the main one. this technique can also be referred to as a story within a story. the stories stem from the original tale, some begin and end on their own, some are connected to the previous or following one, by means of questions that are answered in the subsequent tale, or characters which reappear.