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Molecular Genetics

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
DNA   show
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What is DNA made up of?   show
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Genes   show
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What are the two polymers in DNA nicknamed?   show
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What are the four nitrogen bases?   show
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Codon   show
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show 1.) Two original strands of DNA separate 2.) DNA polymerases add complementary nucleotides to each strand 3.) Two DNA molecules form, which are identical to the original DNA molecule  
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Where does Transcription occur?   show
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show Instructions for building a protein are found in a gene and are "rewritten" to a molecule of RNA during transcription.  
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Transcription   show
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show Portion of protein synthesis that uses the codon to specify a the sequence of amino acids in polypeptide chains  
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What can a mutation be caused by?   show
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show A change in a gene  
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Can a mutation be helpful?   show
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show A natural polymer that is present in all living cells and that plays a role in gene expression  
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Uracil   show
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show sugars and phosphate groups  
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What is the "back bone" linked by?   show
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show Amino Acids for proteins  
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What happens when a gene is expressed?   show
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What three things happen during Transcription?   show
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show DNA -> Transcription -> RNA -> Translation -> Protein  
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show A codon on the mRNA molecule attaches to a ribosome  
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show It's where the new RNA molecule (mRNA) breaks away from the DNA strands and the DNA strands re-attach  
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Created by: brittanykremer
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