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Structure of a Nucleotide

Structure of a Nucleotide

Author: Nathan Lampson

This lesson will describe the structure of a nucleotide.

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Nucleic Acids


Nucleotides are components of RNA and DNA strands that code for genetic information.

In the same way that words in a book come together in order to form a story, the information in nucleotides represent the proteins that make up your body.


Nucleotide Structure:

Each nucleotide consists of a phosphate group, a ribose or deoxyribose 5-carbon pentose sugar molecule, and a nitrogenous base.

The type of nucleotide is determined by the type of nitrogenous base that it is attached to.



The nucleotide Thymine (T) is called Thymine because its nitrogenous base is a thymine molecule.

Nucleic Acids