What type of linkage holds together the monomers of D.N.A.?

Explanation

To answer the question "What type of linkage holds together the monomers of D.N.A.?", we can follow these steps:

### Step-by-Step Solution:

1. **Understanding DNA Structure**:
- DNA is composed of monomers called nucleotides. Each nucleotide consists of three components: a sugar (deoxyribose), a phosphate group, and a nitrogenous base.

2. **Identifying the Components of Nucleotides**:
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