Identify the structure of DNA Identify the structure of RNA Compare and contrast the structures of DNA and RNA in terms of nucleotides and base pairs.

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Identify the structure of DNA Identify the structure of RNA Compare and contrast the structures of DNA and RNA in terms of nucleotides and base pairs. South Carolina Standards: B-4.1 B-4.2 B-3.5

DNA and RNA are two different nucleic acids found in the cells of every living organism.

DNA and RNA are composed of repeating subunits called nucleotides. Nucleotides are composed of three parts. 1. A phosphate group 2. A 5- carbon sugar 3. A nitrogen base

The difference in the base pairs for DNA and RNA are thymine in DNA and Uracil in RNA. In DNA adenine pairs with thymine and cytosine pairs with guanine. In RNA adenine pairs with uracil and cytosine pairs with guanine DNA Nitrogen Base Pairs DNA and RNA each have 4 nitrogen bases. RNA Adenine Thymine Cytosine Guanine Adenine Uracil Cytosine Guanine

How do the nucleotides link together to form DNA ? Click to watch the video How Do nucleotides link together to form RNA? Click to watch video

RNADNA Name Function 5-Carbon Sugar Shape Backbone Nitrogen Bases Ribonucleic AcidDeoxyribonucleic Acid Messenger/In charge of Protein Synthesis Genetic Make-up RiboseDeoxyribose Single strandedDouble Helix Repeating sugar phosphate groups Adenine +Uracil Cytosine + Guanine Adenine +Thymine Cytosine + Guanine