Lesson 1 - DNA Structure and Function

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8 Terms

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What is the purpose of DNA?

Holds the instructions for how cells function, what cells will produce, and when cells will die

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Structure of DNA

Double Helix, Anti-parallel, sugar-phosphate backbone, made of nucleotides (deoxyribose sugar, phosphate, nitrogenous base)

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What are the base pair rules?

Adenine + Thymine, Cytosine + Guanine

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DNA is in the form of…

chromatin

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Tightly coiled chromatin

chromosomes

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Genes

are segments of DNA that contain instructions for making proteins and determining traits.

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Proteins

are large, complex molecules that perform many functions within living organisms, including acting as enzymes, structural components, and signaling molecules

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