Chapter 12 Test - DNA and RNA
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Created by:
BiologyWeymouthHS on February 17, 2011
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13 terms
Terms | Definitions |
|---|---|
 transcription | copying the code from DNA onto mRNA |
| codon | three mRNA nucleotides that code for a specific amino acid |
| translation | process by which a ribosome uses the code on mRNA to make proteins |
| chromatin | DNA that is coiled around proteins |
| amino acid | building block of a protein |
| mRNA | type of RNA that carries instructions from DNA in the nucleus to the ribosome |
| polypeptide | synonym for protein; chain of amino acids |
| replication | process in which DNA is duplicated |
| rRNA | type of RNA that makes up part of the ribosome |
| mutation | a change or error in the DNA sequence |
| tRNA | type of RNA that carries amino acids to the ribosome |
| DNA | nucleic acid that transmits hereditary information |
| gene | section of DNA that codes for a protein |
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