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DNA

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
What happened in the 1800s?   Studies on the nucleus of cells showed that there was a sticky substance - slightly acidic  
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What happened in the 1930s?   Scientists agreed that the substance was complex and related to protein, which is the building block of life.  
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What is the building block of life?   Protein  
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What is the code for building proteins?   Genes  
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What was the question and still is?   What is the process by which we make protein and how is it related to our genetic material?  
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What happened in the 1940s?   Basic building block of DNA is a sugar paired with a phosphate and 1 of 4 bases.  
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What does DNA mean?   Deoxy Ribose Nucleic Acid  
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What a sugar paired with 1 phosphate and one of 4 bases called?   Nucleotide  
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What are the four distinct bases and their abbreviations?   Adenine - A Guanine - G Thymine - T Cytosine - C  
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What is protein made up of?   Long chains of amino acid  
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Who did James Watson work under?   Francis Crick  
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What did James Watson and Francis Crick discover?   They discovered the STRUCTURE OF DNA and the DOUBLE HELIX.  
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What was the relationship between the four bases?   A+t / C+G  
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What is the basic structure?   S---P ---base {one of four}  
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What is the basic structure based on?   A Nucleotide  
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What are the 4 nucleotides of DNA?   S---P ---A or T or C or G  
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What is the double helix?   It has 2 backbones on the outside; The structure is made up of Sugars an Phosphates  
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What are the 3 things to remember?   1. Sugar/Phosphate backbones - 2 2. Base pairs in the middle 3. Adenine pairs withe Thynine - A+T Cytosine pairs with Guanine - C+G  
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The process by which chromosones are duplicated is?   DNA Replication  
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DNA Replication happens during what?   S-Phase of Mitosis and Meiosis.  
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