Answer:
The explanation is where the answer is. You may copy word for word if you need to.
Step-by-step explanation:
DNA is 2 linked strands that twist around each other. Imagine scwiggle lines intertwining with each other but seperated with an horitonzal line. The shape is also known as a double helix. Each strand as something called the backbone. The backbone is made of alternating sugar (deoxyribose) is the scientific word for it, and the backbone is also made of phosphate groups. The backbone is attached to 4 diffrent figures. The are represented with letters. (A) = Adenine. (C) = Cytosine. (G) = Guanine. Or (T) Thymine (T).