Genes

Genes

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What is a gene?

A gene is a section of DNA. It contains the instructions to make a specific protein.

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What do they do?

Cells make proteins by stringing aminno acids together in a particular order.

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Amino acids and proteins

Only 20 amino acids are used, but they make up thousands of different proteins.(http://upload.wikimedia.org/wikipedia/commons/thumb/3/38/Protein_primary_structure.svg/447px-Protein_primary_structure.svg.png)

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Genes

Genes tell cells in what order to put the amino acids together.

(http://www.stevemorse.org/genetealogy/dna_files/image016.jpg)

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DNA

DNA also determines what proteins the cell produces and that determines what type of cell it is.(http://projects.math.arizona.edu/%7Esp2007/proteins.png)

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