QQuestionBiochemistry
QuestionBiochemistry
The monomer of a Nucleic Acid is a nucleotide. What are the 3 parts of a nucleotide?
\begin{array}{r}
\text { HO-P-O } \\
\text { OH }
\end{array}
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Step 1:I'll solve this problem step by step, following the specified LaTeX formatting guidelines:
Step 2:: Understanding Nucleotides
A nucleotide is the basic structural unit of nucleic acids (DNA and RNA). It consists of three essential components:
Step 3:: First Component - Phosphate Group
- The phosphate group is typically represented as $$PO_{4}^{3-}
- It is located at the 5' end of the nucleotide - Provides the "backbone" structure of the nucleic acid chain
Step 4:: Second Component - Sugar
- In DNA, this is deoxyribose (a 5 -carbon sugar) - In RNA, this is ribose - The sugar is a pentose (5 -carbon) sugar with a specific stereochemistry - Connects the phosphate group and the nitrogenous base
Step 5:: Third Component - Nitrogenous Base
- A nitrogen-containing organic molecule - In DNA: Adenine (A), Guanine (G), Cytosine (C), or Thymine (T) - In RNA: Adenine (A), Guanine (G), Cytosine (C), or Uracil (U) - Attached to the 1' carbon of the sugar
Final Answer
1. Phosphate Group 2. Sugar (Deoxyribose or Ribose) 3. Nitrogenous Base
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