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In a nucleotide, purine or pyrimidine ni...

In a nucleotide, purine or pyrimidine nitrogenous base is joined by deoxyribose sugar which is further linked to phosphate.

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To understand the structure of a nucleotide, we can break it down into its three main components: a nitrogenous base, a sugar, and a phosphate group. Here’s a step-by-step explanation: ### Step 1: Identify the Components of a Nucleotide A nucleotide consists of three parts: 1. **Nitrogenous Base**: This can be either a purine (adenine or guanine) or a pyrimidine (cytosine, thymine, or uracil). 2. **Sugar**: In the case of DNA, the sugar is deoxyribose. 3. **Phosphate Group**: This is attached to the sugar. ...
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