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Adenine is...

Adenine is

A

purine

B

pyrimidine

C

nucleoside

D

nucleotide

Text Solution

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The correct Answer is:
**Step-by-Step Solution:** 1. **Identify the Type of Molecule**: Start by recognizing that adenine is a type of biomolecule. It is classified as a nitrogenous base. 2. **Understand the Role in Nucleic Acids**: Adenine is a key component of nucleic acids, which include DNA and RNA. 3. **Components of Nucleic Acids**: Nucleic acids are made up of three main components: - Nitrogen base (which includes adenine) - Sugar (deoxyribose in DNA and ribose in RNA) - Phosphate group 4. **Formation of Nucleosides and Nucleotides**: - Adenine attaches to a sugar molecule through an N-glycosidic bond to form a nucleoside. - This nucleoside then combines with a phosphate group to form a nucleotide through a phosphoester bond. 5. **Classification of Nitrogen Bases**: Nitrogen bases are classified into two categories: - Purines (which include adenine and guanine) - Pyrimidines (which include cytosine, thymine, and uracil) 6. **Conclusion**: Since adenine is classified as a purine, the correct answer to the question "Adenine is..." is that it is a purine. **Final Answer**: Adenine is a purine. ---
**Step-by-Step Solution:** 1. **Identify the Type of Molecule**: Start by recognizing that adenine is a type of biomolecule. It is classified as a nitrogenous base. 2. **Understand the Role in Nucleic Acids**: Adenine is a key component of nucleic acids, which include DNA and RNA. 3. **Components of Nucleic Acids**: Nucleic acids are made up of three main components: - Nitrogen base (which includes adenine) ...
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