Deoxyribonucleotides

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Deoxyribonucleotides

Deoxyribonucleotides (pronounced: dee-ox-ee-rye-boh-noo-klee-oh-tides) are the building blocks of DNA (Deoxyribonucleic acid). They are composed of a nitrogenous base, a deoxyribose sugar, and a phosphate group.

Etymology

The term "Deoxyribonucleotides" is derived from the Greek words "deoxyribo" meaning "lacking oxygen" and "nucleotide" which refers to the basic structural unit of nucleic acids such as DNA.

Types of Deoxyribonucleotides

There are four types of deoxyribonucleotides, each distinguished by their nitrogenous base. These include:

Function

Deoxyribonucleotides play a crucial role in the formation of DNA. They are involved in the process of DNA replication, where they are used to create new strands of DNA. They also play a role in DNA repair mechanisms, helping to maintain the integrity of the genetic code.

Synthesis

Deoxyribonucleotides are synthesized from ribonucleotides through the action of the enzyme ribonucleotide reductase. This process occurs in the cell nucleus and is essential for DNA replication and repair.

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