Question

what is label #2 pointing to?
○ cytosine
○ phosphate
○ deoxyribose sugar
○ guanine
○ adenine
○ hydrogen bond
○ thymine

Explanation:

In DNA structure, the circular shape typically represents the phosphate group. Phosphate is one of the components of a nucleotide (along with deoxyribose sugar and a nitrogen - containing base).

Answer:

phosphate