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The main building blocks that could be used to construct a nucleic acid as shown in the diagram are a nitrogenous base, a sugar molecule and the phosphate group.

What is the nucleic acid?

The term nucleic acid have to do with the substance that is composed of the nitrogenous base and the phosphate group. The nitrogenous base is a cyclic structure that has nitrogen as one of the atoms that have been attached to it. This nitrogen atom is responsible for the basicity of the substance because of the presence of lone pair on the nitrogen atom.

Now we also have the phosphate group which attaches to the nitrogenous base in a remarkable position which now allows the compound to function as a nucleic acid.

We could now agree that the basic building blocks for the nucleic acid are the phosphate moiety as well as the nitrogenous base. The nucleic acid plays an important role in the sense that it is used to code the genetic material that is required for reproduction in the body.

Learn more about nucleic acids:https://brainly.com/question/11309892

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