Question

what five - carbon sugar is a part of the dna backbone?
options:
deoxyribose
galactose
fructose

Explanation:

The question is about the five - carbon sugar in the DNA backbone. In the structure of DNA, the sugar component of the nucleotide (which makes up the DNA backbone) is deoxyribose. Galactose is a sugar found in milk and related carbohydrates, and fructose is a sugar found in fruits and is part of sucrose. So the correct answer is deoxyribose.

Answer:

A. deoxyribose