Biology Module 2 - 1.structure and role of nucleic acids 1.1 Illustrate the structure of RNA and DNA using simple labelled diagrams

1.1 Illustrate the structure of RNA and DNA using simple labelled diagrams


simple diagram of nucleotide

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diagram of bases

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diagram of pentose sugar  

          

 
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 diagram of phosphate

                                 
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DNA

• has deoxyribose sugar
• is double stranded
• has adenine, guanine, cytosine and thymine
• forms double helix

RNA

• has ribose sugar
• is usually single stranded
• has adenine, guanine, cytosine and uracil
• does not form double helix