what is the difference between ribose and deoxyribose

Nucleotide structure

Read more: Alternative windows Shopping: Understanding its parts The two main types of nucleic acids are deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). DNA and RNA are made up of monomers called nucleotides. The individual nucleotides condense together to form a nucleic acids polymers. Each nucleotide is made up of three components: a nitrogenous base (there are five different types), a pentose sugar, and a phosphate group. They are described below. The key difference between these two types of nucleic acids is the presence or absence of a hydroxyl group at the C2 position, also known as the 2′ position (pronounced “two-element”), of pentose (see Figure 1 note). and the section on pentose sugar for more on carbon numbering). RNA has a hydroxyl functional group at the 2′ position of the pentose sugar; The sugar is called ribose, hence the name ribonucleic acid. In contrast, DNA lacks a hydroxyl group at that position, hence the name “deoxy” ribonucleic acid. DNA has a hydrogen atom at the 2′ position.Read: difference between ribose and deoxyribose Figure 1.A nucleotide is made up of three components: a nitrogenous base, a pentose sugar, and one or more phosphate groups. The carbons in the pentose sugar are numbered 1 to 5 (prime numbers distinguish these remainders from those in the base, numbered without using element symbols). The base is attached to the 1′ position of ribose, and the phosphate is attached to the 5′ position. When a polynucleotide is formed, the 5′ phosphate of the incoming nucleotide will attach to the 3′ hydroxyl group at the end of the growing chain. Two types of pentose are found in nucleotides, deoxyribose (found in DNA) and ribose (found in RNA). Deoxyribose is structurally similar to ribose, but it has -H instead of -OH at the 2′ position. Bases can be divided into two categories: purines and pyrimidines. Purine has a double ring structure, and pyrimidine has a single ring structure. Attribution: Marc T. Facciotti (original work)

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