Which of the following molecules is a building block or monomer of RNA?
Understand the Problem
The question is asking which of the provided molecular structures is a building block or monomer of RNA. This requires knowledge of molecular biology and the structure of nucleotides, which are the monomers of RNA.
Answer
The fourth option is a nucleotide, the monomer of RNA.
The structure with the correct components of a nucleotide is the fourth option.
Answer for screen readers
The structure with the correct components of a nucleotide is the fourth option.
More Information
Nucleotides, the monomers of RNA, are composed of a ribose sugar, a phosphate group, and a nitrogenous base.
Tips
Make sure to identify all three components of a nucleotide in the structure: sugar, phosphate, and nitrogenous base.
Sources
- Genome Glossary: Nucleotide - genome.gov
- Nucleic Acid Monomers: Building Blocks - proventainternational.com
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