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Chapter 1: Problem 8

What are the three basic parts of nucleotides?

Short Answer

Expert verified
Answer: The three basic components of nucleotides are: 1) Nitrogenous base, which forms the genetic code through base pairing, 2) Sugar molecule, which forms the backbone structure of nucleic acid chains, and 3) Phosphate group, which helps create the phosphodiester bonds between nucleotides to form long chains of DNA and RNA molecules.

Step by step solution

01

Component 1: Nitrogenous Base

The first basic part of a nucleotide is the nitrogenous base. There are two types of nitrogenous bases: purines (adenine and guanine) and pyrimidines (cytosine, thymine, and uracil). These bases are responsible for forming the genetic code in DNA and RNA through base pairing.
02

Component 2: Sugar Molecule

The second component is the sugar molecule. In the case of DNA, the sugar is deoxyribose, while in RNA, the sugar is ribose. The sugar molecule forms the backbone structure of the nucleic acid chain, with its carbon atoms numbered from 1' to 5'.
03

Component 3: Phosphate Group

The third and final part of a nucleotide is the phosphate group. The phosphate group is connected to the 5' carbon of the sugar molecule and plays a crucial role in creating the phosphodiester bonds between nucleotides. These bonds are essential for forming the long chains of DNA and RNA molecules.

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