Nucleic acids.

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Presentation transcript:

Nucleic acids

Nucleic acids What are they? What do they do? What is it made of? DNA and RNA What do they do? What is it made of? Nucleotides

nucleotides Three parts:

Sugar and phosphate

Bases A,G,C, and T are found in DNA A,G,C, and U are found in RNA

Base Pairing Held together with hydrogen bonds.

DNA untwisted

Model building CTACGGATG 18 Black T’s = deoxyribose sugar 9 White sticks = hydrogen bonds 18 White tubes = phosphate 5 Red tubes = guanine 4 Green tubes = adenine 4 Blue tubes = thymine 5 Black tubes = cytosine CTACGGATG

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