BRAINCAKERNA
RNA is a polynucleotide.
The pentose sugar is ribose and the nucleotides are joined by phospodiester bonds.
RNA contains four nitrogen-containing bases, adenine, cytosine, guanine and uracil.
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Key terms in this lesson
- nucleolus
- A spherical structure within the nucleus where ribosomal RNA is made and combined with protein to form ribosomes.
- peptide bond
- The covalent bond formed between two amino acids by a condensation reaction.
- gene
- A length of DNA that codes for a specific polypeptide.
More in Biological Molecules
- Collagen
- Test for Proteins
- Nucleotides
- DNA
- DNA Extraction
- Role of RNA
- DNA Replication
- Continuous and Dis-continuous Replication
All 63 lessons in Biological Molecules · All OCR AS-level Biology topics