Do now activity #1 What is the monomer of DNA? What is the function of DNA? Where is DNA stored? What stage of interphase is DNA replicated? Why must DNA be replicated before mitosis? Why is it important to check the cell before mitosis? What stage of interphase is that?
Section 3-1: DNA Structure Essential Question Describe the monomer of DNA. (HINT: what is it called?) (HINT: what is it made up of?) (HINT: what types of sugar or bases does it use?) Section 3-1: DNA Structure Learning Targets Explain how the structure of DNA determines the structure of proteins.
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DNA is a set of instructions. overview cyclins DNA is a set of instructions.
Some people think of DNA as map of directions. overview cyclins Some people think of DNA as map of directions.
And others think DNA is like a recipe. overview cyclins And others think DNA is like a recipe.
Function of DNA: Stores genetic __________ . overview cyclins information Function of DNA: Stores genetic __________ .
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DNA Structure: Double helix made of nucleotides. cyclins
Each nucleotide is made of 3 parts. DNA Structure Each nucleotide is made of 3 parts. cyclins
DNA Structure 1. Deoxyribose cyclins
DNA Structure 1. Deoxyribose 2. Phosphate cyclins
DNA Structure Deoxyribose Phosphate 3. Base cyclins
What are all the parts of a nucleotide? Question #1 What are all the parts of a nucleotide?
Question #1: answer Deoxyribose Phosphate 3. Base cyclins
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Base pairs cyclins
Base pairs Purines Pyrimidines Adenine Thymine Guanine Cytosine hydrogen bonds cyclins
Purines attach to pyrimidines Base pairs Purines attach to pyrimidines cyclins
Adenine attaches to ______ . Base pairs Adenine attaches to ______ . Thymine cyclins
Base pairs ________ attaches to Cytosine . Guanine cyclins
According to the picture, which part of the monomer can change? Question #2 According to the picture, which part of the monomer can change? A C B
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Double helix DNA is double stranded. cyclins
The DNA strands are anti-parallel Double helix The DNA strands are anti-parallel cyclins
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