A nucleotide in DNA is composed of
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In turn, each nucleotide is itself made up of three primary components: a nitrogen-containing region known as a nitrogenous base, a carbon-based sugar molecule called deoxyribose, and a phosphorus-containing region known as a phosphate group attached to the sugar molecule (Figure 1).
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A nucleotide is composed of a sugar molecule, nitrogen-containing base, and a phosphate group.
Explanation:
- Nucleotides are considered to be the building blocks of DNA molecules.
- A nucleotide consists of three important components- a sugar molecule, a nitrogen-containing base attached to a phosphate group.
- The sugar molecule present in the nucleotide of DNA is deoxyribose.
- The nitrogen-containing base could be adenine (A), guanine (G), cytosine (C), and thymine (T).
- A molecule containing a sugar molecule attached to a nitrogen base is termed a nucleoside.
- When a nucleoside is attached to a phosphate group, a nucleotide is formed.
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