Question
What components make up the backbone of a DNA molecule?
Purines and deoxyribose
Phosphate groups and pyrimidines
Pyrimidines and purines
Deoxyribose and phosphate groups
Purines and deoxyribose
Phosphate groups and pyrimidines
Pyrimidines and purines
Deoxyribose and phosphate groups
Answers
GPT-4o mini
The backbone of a DNA molecule is made up of **deoxyribose and phosphate groups**. Deoxyribose is a sugar, and the phosphate groups connect the sugars of adjoining nucleotides, forming the structural framework of the DNA strand.