Question

what are the main feature of DNA molecules​

Answer 1

DNA has three types of chemical component: phosphate, a sugar called deoxyribose, and four nitrogenous bases—adenine, guanine, cytosine, and thymine. Two of the bases, adenine and guanine, have a double-ring structure characteristic of a type of chemical called a purine.

Answer 2

Answer:

Four basic building blocks totally defined DNA feature...

Explanation:

4 components /building blocks of bases::::1)adenine

2)cytosine

3)thymine

4)guanine

Main function :::::

1)copying

2)storing

3)transmitting information